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Sediment

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2095: 1335: 67: 2326:. This expression states that the rate of increase in bed elevation due to deposition is proportional to the amount of sediment that falls out of the flow. This equation is important in that changes in the power of the flow change the ability of the flow to carry sediment, and this is reflected in the patterns of erosion and deposition observed throughout a stream. This can be localized, and simply due to small obstacles; examples are scour holes behind boulders, where flow accelerates, and deposition on the inside of 1324: 1668: 2087: 38: 1182: 2133: 2393: 2553:
correlated with how coarse or fine sediment grain sizes that characterize an area are on average, grain size distribution of sediment will shift according to relative input of land (typically fine), marine (typically coarse), and organically-derived (variable with age) sediment. These alterations in marine sediment characterize the amount of sediment that is suspended in the water column at any given time and sediment-related coral stress.
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to the marine environment during rainfall events. Sediment can negatively affect corals in many ways, such as by physically smothering them, abrading their surfaces, causing corals to expend energy during sediment removal, and causing algal blooms that can ultimately lead to less space on the seafloor where juvenile corals (polyps) can settle.
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Watershed development near coral reefs is a primary cause of sediment-related coral stress. The stripping of natural vegetation in the watershed for development exposes soil to increased wind and rainfall, and as a result, can cause exposed sediment to become more susceptible to erosion and delivery
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results in discoloration of rivers to a dark red brown color and leads to fish kills. In addition, sedimentation of river basins implies sediment management and siltation costs.The cost of removing an estimated 135 million m of accumulated sediments due to water erosion only is likely exceeding 2.3
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The Sediment Delivery Ratio (SDR) is fraction of gross erosion (interill, rill, gully and stream erosion) that is expected to be delivered to the outlet of the river. The sediment transfer and deposition can be modelled with sediment distribution models such as WaTEM/SEDEM. In Europe, according to
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Erosion is also an issue in areas of modern farming, where the removal of native vegetation for the cultivation and harvesting of a single type of crop has left the soil unsupported. Many of these regions are near rivers and drainages. Loss of soil due to erosion removes useful farmland, adds to
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Roundness describes how sharp the edges and corners of particle are. Complex mathematical formulas have been devised for its precise measurement, but these are difficult to apply, and most geologists estimate roundness from comparison charts. Common descriptive terms range from very angular to
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When sediments are introduced into the coastal regions of the ocean, the proportion of land, marine and organic-derived sediment that characterizes the seafloor near sources of sediment output is altered. In addition, because the source of sediment (i.e. land, ocean, or organically) is often
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Panagos, Panos; Matthews, Francis; Patault, Edouard; De Michele, Carlo; Quaranta, Emanuele; Bezak, Nejc; Kaffas, Konstantinos; Patro, Epari Ritesh; Auel, Christian; Schleiss, Anton J.; Fendrich, Arthur; Liakos, Leonidas; Van Eynde, Elise; Vieira, Diana; Borrelli, Pasquale (January 2024).
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Sediment is transported based on the strength of the flow that carries it and its own size, volume, density, and shape. Stronger flows will increase the lift and drag on the particle, causing it to rise, while larger or denser particles will be more likely to fall through the flow.
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material, which originates on land, but may be deposited in either terrestrial, marine, or lacustrine (lake) environments, or of sediments (often biological) originating in the body of water. Terrigenous material is often supplied by nearby rivers and streams or reworked
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forests. When the ground surface is stripped of vegetation and then seared of all living organisms, the upper soils are vulnerable to both wind and water erosion. In a number of regions of the earth, entire sectors of a country have become erodible. For example, on the
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grains, because these retain their surface markings for long periods of time. Surface texture varies from polished to frosted, and can reveal the history of transport of the grain; for example, frosted grains are particularly characteristic of
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Cox, Rónadh; Bierman, Paul; Jungers, Matthew C.; Rakotondrazafy, A.F. Michel (July 2009). "Erosion Rates and Sediment Sources in Madagascar Inferred from 10 Be Analysis of Lavaka, Slope, and River Sediment".
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of the inhabitants of the body of water that were, upon death, covered by accumulating sediment. Lake bed sediments that have not solidified into rock can be used to determine past
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Voarintsoa, N. R. G.; Cox, R.; Razanatseheno, M.O.M.; Rakotondrazafy, A.F.M. (1 June 2012). "Relation Between Bedrock Geology, Topography and Lavaka Distribution in Madagascar".
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The null point theory explains how sediment deposition undergoes a hydrodynamic sorting process within the marine environment leading to a seaward fining of sediment grain size.
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is a measure of how sharp grain corners are. This varies from well-rounded grains with smooth corners and edges to poorly rounded grains with sharp corners and edges. Finally,
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Surface texture describes the small-scale features of a grain, such as pits, fractures, ridges, and scratches. These are most commonly evaluated on
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Sediment builds up on human-made breakwaters because they reduce the speed of water flow, so the stream cannot carry as much sediment load.
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Ketcheson, J. W. (1 March 1980). "Long-Range Effects of Intensive Cultivation and Monoculture on the Quality of Southern Ontario Soils".
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Sediment size is measured on a log base 2 scale, called the "Phi" scale, which classifies particles by size from "colloid" to "boulder".
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fall. Deposition can occur due to dam emplacement that causes the river to pool and deposit its entire load, or due to base level rise.
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Sneed, Edmund D.; Folk, Robert L. (March 1958). "Pebbles in the Lower Colorado River, Texas a Study in Particle Morphogenesis".
3056:"Understanding the cost of soil erosion: An assessment of the sediment removal costs from the reservoirs of the European Union" 3498: 3480: 3462: 3440: 2935: 2910: 2858: 485: 2655:, also known as particle size – Diameter of individual grains of sediment, or of lithified particles in clastic rocks 3526: 1111: 2741:
Krumbein, William C. (1941). "Measurement and Geological Significance of Shape and Roundness of Sedimentary Particles".
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Wind results in the transportation of fine sediment and the formation of sand dune fields and soils from airborne dust.
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Van Rompaey, Anton J. J.; Verstraeten, Gert; Van Oost, Kristof; Govers, Gerard; Poesen, Jean (2001-10-01).
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Wilson, W.E. & Moore, J.E. 2003. Glossary of Hydrology, American Geological Institute, Springer, 248pp.
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varies from 1 for a perfectly spherical particle to very small values for a platelike or rodlike particle.
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Schematic representation of difference in grain shape. Two parameters are shown: sphericity (vertical) and
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The overall balance between sediment in transport and sediment being deposited on the bed is given by the
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sediment loads, and can help transport anthropogenic fertilizers into the river system, which leads to
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is the overall shape of the particle, with common descriptions being spherical, platy, or rodlike. The
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angular to subangular to subrounded to rounded to very rounded, with increasing degree of roundness.
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Risk, Michael J (April 2014). "Assessing the effects of sediments and nutrients on coral reefs".
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Borrelli, P.; Van Oost, K.; Meusburger, K.; Alewell, C.; Lugato, E.; Panagos, P. (2018-02-01).
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billion euro (€) annually in the EU and UK, with large regional differences between countries.
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describes small-scale features such as scratches, pits, or ridges on the surface of the grain.
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Any depression in a marine environment where sediments accumulate over time is known as a
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sediments, transported by wind. Evaluation of these features often requires the use of a
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Glacial transport of boulders. These boulders will be deposited as the glacier retreats.
2094: 3531: 3516: 3404: 3370:"Aerobic microbial life persists in oxic marine sediment as old as 101.5 million years" 3369: 3284: 3243: 3224: 3035: 2805: 2581: 2258: 2103: 1238: 1186: 1071: 833: 812: 768: 525: 379: 353: 283: 274: 122: 87: 3494: 3476: 3458: 3436: 3409: 3289: 3271: 3228: 3216: 3169: 3129: 2931: 2906: 2895: 2864: 2854: 2809: 2721: 2685: – Any topographic depression where sediments substantially accumulate over time 2456: 2283: 2029: 1519: 1334: 1285: 873: 749: 702: 480: 343: 314: 309: 233: 157: 3188: 3039: 2607: – Shoreline formations made up of various grades of sediment in an arc pattern 1713:
proposed formulas for converting these numbers to a single measure of form, such as
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One other depositional environment which is a mixture of fluvial and marine is the
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Seas, oceans, and lakes accumulate sediment over time. The sediment can consist of
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The major areas for deposition of sediments in the marine environment include:
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sands (e.g. beach sands, runoff river sands, coastal bars and spits, largely
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bends. Erosion and deposition can also be regional; erosion can occur due to
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are the long, intermediate, and short axis lengths of the particle. The form
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Sedimentary Geology: An Introduction to Sedimentary Rocks and Stratigraphy
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Neuendorf, Klaus K.E.; Mehl, James P. Jr; Jackson, Julia A., eds. (2011).
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The shape of particles can be defined in terms of three parameters. The
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Fernandez, C.; Wu, J. Q.; McCool, D. K.; Stöckle, C. O. (2003-05-01).
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WaTEM/SEDEM model estimates the Sediment Delivery Ratio is about 15%.
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is a naturally occurring material that is broken down by processes of
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Glaciers carry a wide range of sediment sizes, and deposit it in
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Particulate solid matter that is deposited on the surface of land
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Food safety management: a practical guide for the food industry
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which, again, varies from 0 to 1 with increasing sphericity.
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Sedimentary Environments: Processes, Facies and Stratigraphy
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Comparison chart for evaluating roundness of sediment grains
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system, which is a major source of sediment to the deep
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The shelf slope (much more fine-grained silts and clays)
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created by sediments. It can result in the formation of
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can be used as both a size-range and a composition (see
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in river water and on reaching the sea bed deposited by
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by the action of wind, water, or ice or by the force of
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Coastal development and sedimentation near coral reefs
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Beds of estuaries with the resultant deposits called "
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Composition of sediment can be measured in terms of:
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An alternate measure was proposed by Sneed and Folk:
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Erosion and agricultural sediment delivery to rivers
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(28 July 2020). 2341: 2277: 1214: 1200: 3457:, New York: Scientific American Library, 3403: 3283: 3092: 2779: 2257:. Fluvial sediment processes include the 2892: 2740: 2391: 2295: 2131: 2093: 2085: 2005: 1666: 1345:Sediment can be classified based on its 1333: 1322: 1261:; if buried, they may eventually become 36: 3488: 3470: 3119: 2951:Sawe, Benjamin Elisha (25 April 2017). 2480: 14: 3509: 3448: 3162:Journal of Soil and Water Conservation 2953:"Erosion Landforms: What Is A Lavaka?" 2487:Sediment transport § Applications 2372:Deposited sediments are the source of 1245:acting on the particles. For example, 3193:Earth Surface Processes and Landforms 2897:Fundamentals of fluvial geomorphology 2834: 2822: 2767: 2715: 2081: 3306: 3122:"Sustainability and Food Production" 2950: 2925: 2743:SEPM Journal of Sedimentary Research 2496:One cause of high sediment loads is 2430:, increasing marine faunal content). 2388:Key marine depositional environments 2291: 2118: 2070:This leads to an ambiguity in which 2649: – Law of sediment aggradation 45:discharging sediment into the ocean 24: 3424: 3341: 2215:size, but larger floods can carry 2018: 1369:Unified Soil Classification System 25: 3543: 3342:Wu, Katherine J. (28 July 2020). 1318: 3473:Sedimentology & Stratigraphy 3095:Canadian Journal of Soil Science 2976:South African Journal of Geology 2930:. Wiley-Blackwell. p. 330. 2124:This section is an excerpt from 1349:, grain shape, and composition. 1181: 1180: 65: 3475:, Malden, MA: Wiley-Blackwell, 3300: 3235: 3180: 3149: 3113: 3086: 3046: 3002: 2967: 2944: 2919: 2311: 1315:are ice-transported sediments. 595:Microbial calcite precipitation 2886: 2875: 2840: 2773: 2734: 2709: 2300:Glacial sediments from Montana 2039: 13: 1: 3080:10.1016/j.jclepro.2023.140183 3060:Journal of Cleaner Production 2702: 2613: – Soil formation theory 1352: 310:Aeolian (windborne) transport 3329:10.1016/j.cosust.2014.01.003 3268:10.1016/j.envres.2017.11.009 2901:. London: Rutledge. p.  2255:glacial lake outburst floods 2034:scanning electron microscope 1995: 7: 2591: 2420:with little faunal content) 1102:cross-cutting relationships 651:Amorphous calcium carbonate 10: 3548: 3527:Environmental soil science 3396:10.1038/s41467-020-17330-1 2484: 2352:Coastal sediment transport 2345: 2315: 2281: 2161:fluvial sediment processes 2126:Fluvial sediment processes 2123: 2107: 2101: 1999: 1698: 1362: 1359:Particle size (grain size) 1356: 676:Coastal sediment transport 30:For sediment in wine, see 29: 2586:longest-living life forms 2574:quasi-suspended animation 2557:Biological considerations 2402:and a carbonate beach on 1898:{\displaystyle \psi _{l}} 486:Soft-sediment deformation 83:Terrigenous (lithogenous) 3449:Siever, Raymond (1988), 3120:Ohlsson, Thomas (2014). 2635:Depositional environment 1662: 787:calcareous nannoplankton 476:Sediment–water interface 3489:Reading, H. G. (1978), 2423:The continental shelf ( 2342:Shores and shallow seas 2278:Aeolian processes: wind 1694: 681:Coastal sediment supply 454:Paleocurrent indicators 3471:Nichols, Gary (1999), 3248:Environmental Research 3012:The Journal of Geology 2996:10.2113/gssajg.115.225 2782:The Journal of Geology 2599:Bar (river morphology) 2406: 2301: 2195:and the occurrence of 2148: 2138:glaciofluvial deposits 2099: 2091: 2011: 1983: 1899: 1872: 1845: 1818: 1788: 1676: 1342: 1331: 1237:, and is subsequently 1112:original horizontality 782:biogenic calcification 632:oolitic aragonite sand 402:Sedimentary structures 243:Oolitic aragonite sand 47: 3375:Nature Communications 2893:Charlton, Ro (2008). 2395: 2299: 2135: 2097: 2089: 2009: 1984: 1900: 1873: 1871:{\displaystyle D_{S}} 1846: 1844:{\displaystyle D_{I}} 1819: 1817:{\displaystyle D_{L}} 1789: 1670: 1337: 1326: 40: 2926:Wohl, Ellen (2014). 2629:Deposition (geology) 2502:shifting cultivation 2481:Environmental issues 2463:as well as the deep 2404:Long Island, Bahamas 2376:, which can contain 1915: 1882: 1855: 1828: 1801: 1720: 3388:2020NatCo..11.3626M 3321:2014COES....7..108R 3260:2018ER....161..291B 3205:2001ESPL...26.1221V 3072:2024JCPro.43440183P 3024:2009JG....117..363C 2988:2012SAJG..115..225V 2850:Glossary of Geology 2794:1958JG.....66..114S 2716:Boggs, Sam (2006). 2002:Roundness (geology) 1948: 1775: 1711:William C. Krumbein 912:Soil carbon storage 847:Sedimentary ecology 769:Biogenous sediments 53:Part of a series on 3348:The New York Times 3107:10.4141/cjss80-045 2582:South Pacific Gyre 2407: 2302: 2259:motion of sediment 2149: 2104:Sediment transport 2100: 2092: 2082:Sediment transport 2012: 1979: 1934: 1895: 1868: 1841: 1814: 1784: 1761: 1705:Form (also called 1677: 1343: 1332: 1292:. Beach sands and 1284:), but also wind ( 1253:can be carried in 1154:carbonate-silicate 1124:Sedimentary record 1107:lateral continuity 904:Sedimentary carbon 834:Reverse weathering 813:diatomaceous earth 496:Vegetation-induced 380:Turbidity currents 354:ice-sheet dynamics 284:Sediment transport 275:Sedimentary budget 48: 3500:978-0-632-03627-1 3482:978-0-632-03578-6 3464:978-0-7167-5021-5 3442:978-0-7167-2726-2 3435:, W. H. Freeman, 3199:(11): 1221–1236. 2937:978-1-118-41489-7 2912:978-0-415-33454-9 2860:978-3-642-06621-4 2837:, pp. 68–70. 2825:, pp. 66–67. 2563:marine biologists 2437:faunal skeletons) 2374:sedimentary rocks 2292:Glacial processes 2284:Aeolian processes 2119:Fluvial processes 1977: 1971: 1782: 1776: 1660: 1659: 1608:0.00015–0.0025 in 1340:Yucatán Peninsula 1338:Sediment off the 1286:aeolian processes 1282:fluvial processes 1271:sedimentary rocks 1224: 1223: 874:Soil biodiversity 750:Sedimentary basin 703:Marine regression 481:Sedimentary basin 344:Fluvial processes 315:Biomineralization 234:Manganese nodules 16:(Redirected from 3539: 3503: 3485: 3467: 3456: 3445: 3418: 3417: 3407: 3365: 3359: 3358: 3356: 3354: 3339: 3333: 3332: 3304: 3298: 3297: 3287: 3239: 3233: 3232: 3184: 3178: 3177: 3153: 3147: 3146: 3144: 3142: 3117: 3111: 3110: 3090: 3084: 3083: 3050: 3044: 3043: 3006: 3000: 2999: 2971: 2965: 2964: 2962: 2960: 2948: 2942: 2941: 2923: 2917: 2916: 2900: 2890: 2884: 2879: 2873: 2872: 2844: 2838: 2832: 2826: 2820: 2814: 2813: 2777: 2771: 2765: 2759: 2758: 2738: 2732: 2731: 2713: 2465:oceanic trenches 2348:Marine sediments 1988: 1986: 1985: 1980: 1978: 1976: 1970: 1969: 1968: 1959: 1958: 1947: 1942: 1933: 1932: 1927: 1926: 1904: 1902: 1901: 1896: 1894: 1893: 1877: 1875: 1874: 1869: 1867: 1866: 1850: 1848: 1847: 1842: 1840: 1839: 1823: 1821: 1820: 1815: 1813: 1812: 1793: 1791: 1790: 1785: 1783: 1781: 1774: 1769: 1760: 1759: 1758: 1749: 1748: 1738: 1737: 1732: 1731: 1648:< 0.000039 in 1626:< 3.9 μm 1605:3.9–62.5 μm 1594:0.0025–0.0049 in 1591:62.5–125 μm 1560:0.25–0.5 mm 1516:Very fine gravel 1405:> 256 mm 1376: 1375: 1327:Sediment in the 1216: 1209: 1202: 1189: 1184: 1183: 941:Sedimentary rock 696:pelagic red clay 661:Continental rise 69: 50: 49: 21: 3547: 3546: 3542: 3541: 3540: 3538: 3537: 3536: 3507: 3506: 3501: 3483: 3465: 3443: 3427: 3425:Further reading 3422: 3421: 3366: 3362: 3352: 3350: 3340: 3336: 3305: 3301: 3240: 3236: 3213:10.1002/esp.275 3185: 3181: 3154: 3150: 3140: 3138: 3136: 3118: 3114: 3091: 3087: 3051: 3047: 3007: 3003: 2972: 2968: 2958: 2956: 2949: 2945: 2938: 2924: 2920: 2913: 2891: 2887: 2880: 2876: 2861: 2845: 2841: 2833: 2829: 2821: 2817: 2778: 2774: 2766: 2762: 2739: 2735: 2728: 2714: 2710: 2705: 2700: 2594: 2559: 2546: 2494: 2489: 2483: 2390: 2363:marine sediment 2354: 2344: 2320: 2314: 2294: 2286: 2280: 2275: 2274: 2249:is used, as in 2142:Matanuska River 2129: 2121: 2112: 2106: 2084: 2042: 2021: 2019:Surface texture 2004: 1998: 1972: 1964: 1960: 1954: 1950: 1949: 1943: 1938: 1931: 1922: 1918: 1916: 1913: 1912: 1889: 1885: 1883: 1880: 1879: 1862: 1858: 1856: 1853: 1852: 1835: 1831: 1829: 1826: 1825: 1808: 1804: 1802: 1799: 1798: 1777: 1770: 1765: 1754: 1750: 1744: 1740: 1739: 1736: 1727: 1723: 1721: 1718: 1717: 1703: 1697: 1689:surface texture 1665: 1629:< 0.00015 in 1597:Very fine sand 1580:0.0049–0.010 in 1393: 1392:Aggregate class 1388: 1383: 1371: 1361: 1355: 1321: 1220: 1179: 1172: 1171: 1170: 1094:Legacy sediment 1063: 1055: 1054: 1053: 1009: 986: 970: 943: 933: 932: 931: 906: 896: 895: 894: 888:root microbiome 878: 848: 840: 839: 838: 824: 803:biogenic silica 793: 777:Calcareous ooze 771: 761: 760: 759: 740: 714: 611: 609:Marine sediment 601: 600: 599: 510: 502: 501: 500: 396: 386: 385: 384: 365: 324: 295: 279: 264: 254: 253: 252: 238: 228: 220: 219: 218: 194: 166: 144: 127: 112: 104: 103: 102: 92: 77: 46: 35: 32:Sediment (wine) 28: 23: 22: 15: 12: 11: 5: 3545: 3535: 3534: 3529: 3524: 3519: 3505: 3504: 3499: 3486: 3481: 3468: 3463: 3446: 3441: 3426: 3423: 3420: 3419: 3382:(3626): 3626. 3360: 3334: 3299: 3234: 3179: 3168:(3): 128–136. 3148: 3134: 3112: 3101:(3): 403–410. 3085: 3045: 3032:10.1086/598945 3018:(4): 363–376. 3001: 2982:(2): 225–250. 2966: 2943: 2936: 2918: 2911: 2885: 2874: 2859: 2839: 2827: 2815: 2802:10.1086/626490 2788:(2): 114–150. 2772: 2770:, p. 582. 2760: 2733: 2726: 2707: 2706: 2704: 2701: 2699: 2698: 2695:Surface runoff 2692: 2686: 2680: 2674: 2668: 2662: 2656: 2650: 2647:Exner equation 2644: 2638: 2632: 2626: 2620: 2614: 2608: 2602: 2595: 2593: 2590: 2572:(mainly), in " 2570:microorganisms 2565:reported that 2561:In July 2020, 2558: 2555: 2545: 2542: 2534:eutrophication 2498:slash and burn 2493: 2490: 2482: 2479: 2461:abyssal basins 2449: 2448: 2441: 2438: 2431: 2421: 2389: 2386: 2343: 2340: 2324:Exner equation 2318:Exner equation 2316:Main article: 2313: 2310: 2293: 2290: 2282:Main article: 2279: 2276: 2140:alongside the 2136:Deep, eroding 2130: 2122: 2120: 2117: 2102:Main article: 2083: 2080: 2068: 2067: 2061: 2055: 2041: 2038: 2020: 2017: 2000:Main article: 1997: 1994: 1990: 1989: 1975: 1967: 1963: 1957: 1953: 1946: 1941: 1937: 1930: 1925: 1921: 1892: 1888: 1865: 1861: 1838: 1834: 1811: 1807: 1795: 1794: 1780: 1773: 1768: 1764: 1757: 1753: 1747: 1743: 1735: 1730: 1726: 1696: 1693: 1664: 1661: 1658: 1657: 1654: 1649: 1646: 1645:< 1 μm 1643: 1639: 1638: 1635: 1630: 1627: 1624: 1620: 1619: 1614: 1609: 1606: 1603: 1599: 1598: 1595: 1592: 1589: 1585: 1584: 1581: 1578: 1572: 1568: 1567: 1564: 1563:0.010–0.020 in 1561: 1558: 1554: 1553: 1550: 1549:0.020–0.039 in 1547: 1544: 1540: 1539: 1533: 1532:0.039–0.079 in 1530: 1527: 1523: 1522: 1517: 1514: 1513:0.079–0.157 in 1511: 1508: 1504: 1503: 1500: 1497: 1494: 1491: 1487: 1486: 1483: 1480: 1477: 1474: 1470: 1469: 1466: 1463: 1460: 1457: 1453: 1452: 1447: 1441: 1438: 1435: 1431: 1430: 1425: 1422: 1421:64–256 mm 1419: 1415: 1414: 1409: 1406: 1403: 1399: 1398: 1395: 1390: 1385: 1380: 1357:Main article: 1354: 1351: 1329:Gulf of Mexico 1320: 1319:Classification 1317: 1222: 1221: 1219: 1218: 1211: 1204: 1196: 1193: 1192: 1191: 1190: 1174: 1173: 1169: 1168: 1163: 1161:Paleolimnology 1158: 1157: 1156: 1151: 1146: 1136: 1131: 1126: 1121: 1116: 1115: 1114: 1109: 1104: 1096: 1091: 1090: 1089: 1084: 1079: 1074: 1065: 1064: 1061: 1060: 1057: 1056: 1052: 1051: 1046: 1041: 1036: 1031: 1026: 1021: 1016: 1010: 1008: 1007: 1006: 1005: 1000: 995: 987: 985: 984: 983: 982: 971: 969: 968: 967: 966: 961: 951: 945: 944: 939: 938: 935: 934: 930: 929: 924: 919: 914: 908: 907: 902: 901: 898: 897: 893: 892: 891: 890: 879: 877: 876: 871: 866: 864:soil pathogens 861: 856: 854:Soil biomantle 850: 849: 846: 845: 842: 841: 837: 836: 831: 825: 823: 822: 821: 820: 815: 810: 808:silicification 805: 798:Siliceous ooze 794: 792: 791: 790: 789: 784: 773: 772: 767: 766: 763: 762: 758: 757: 752: 747: 745:Salt tectonics 741: 739: 738: 737: 736: 731: 726: 715: 713: 712: 711: 710: 700: 699: 698: 688: 683: 678: 673: 668: 663: 658: 653: 648: 647: 646: 636: 635: 634: 629: 619: 613: 612: 607: 606: 603: 602: 598: 597: 592: 590:Mineralization 587: 582: 577: 572: 567: 562: 557: 556: 555: 550: 545: 535: 534: 533: 528: 523: 512: 511: 508: 507: 504: 503: 499: 498: 493: 488: 483: 478: 473: 468: 467: 466: 461: 451: 446: 441: 439:Alluvial river 436: 431: 430: 429: 424: 422:graded bedding 419: 414: 404: 398: 397: 392: 391: 388: 387: 383: 382: 377: 372: 366: 364: 363: 362: 361: 356: 346: 341: 339:Exner equation 336: 331: 325: 323: 322: 317: 312: 307: 302: 296: 294: 293: 292: 291: 280: 278: 277: 272: 266: 265: 260: 259: 256: 255: 251: 250: 245: 239: 237: 236: 230: 229: 227:By composition 226: 225: 222: 221: 217: 216: 215: 214: 209: 204: 195: 193: 192: 191: 190: 185: 180: 175: 167: 165: 164: 163: 162: 161: 160: 155: 145: 139: 128: 126: 125: 120: 114: 113: 110: 109: 106: 105: 101: 100: 97: 93: 91: 90: 85: 79: 78: 75: 74: 71: 70: 62: 61: 55: 54: 41: 26: 9: 6: 4: 3: 2: 3544: 3533: 3530: 3528: 3525: 3523: 3522:Sedimentology 3520: 3518: 3515: 3514: 3512: 3502: 3496: 3492: 3487: 3484: 3478: 3474: 3469: 3466: 3460: 3455: 3454: 3447: 3444: 3438: 3434: 3429: 3428: 3415: 3411: 3406: 3401: 3397: 3393: 3389: 3385: 3381: 3377: 3376: 3371: 3364: 3349: 3345: 3338: 3330: 3326: 3322: 3318: 3314: 3310: 3303: 3295: 3291: 3286: 3281: 3277: 3273: 3269: 3265: 3261: 3257: 3253: 3249: 3245: 3238: 3230: 3226: 3222: 3218: 3214: 3210: 3206: 3202: 3198: 3194: 3190: 3183: 3175: 3171: 3167: 3163: 3159: 3152: 3137: 3135:9780128056820 3131: 3127: 3123: 3116: 3108: 3104: 3100: 3096: 3089: 3081: 3077: 3073: 3069: 3065: 3061: 3057: 3049: 3041: 3037: 3033: 3029: 3025: 3021: 3017: 3013: 3005: 2997: 2993: 2989: 2985: 2981: 2977: 2970: 2954: 2947: 2939: 2933: 2929: 2922: 2914: 2908: 2904: 2899: 2898: 2889: 2883: 2878: 2870: 2866: 2862: 2856: 2852: 2851: 2843: 2836: 2831: 2824: 2819: 2811: 2807: 2803: 2799: 2795: 2791: 2787: 2783: 2776: 2769: 2764: 2756: 2752: 2748: 2744: 2737: 2729: 2723: 2719: 2712: 2708: 2696: 2693: 2690: 2687: 2684: 2683:Sediment trap 2681: 2678: 2677:Sedimentology 2675: 2672: 2669: 2666: 2663: 2660: 2657: 2654: 2651: 2648: 2645: 2642: 2639: 2636: 2633: 2630: 2627: 2624: 2621: 2618: 2615: 2612: 2611:Biorhexistasy 2609: 2606: 2603: 2600: 2597: 2596: 2589: 2587: 2583: 2579: 2575: 2571: 2568: 2564: 2554: 2550: 2541: 2537: 2535: 2529: 2526: 2522: 2521: 2516: 2513:high central 2512: 2507: 2503: 2499: 2488: 2478: 2475: 2473: 2472:sediment trap 2468: 2466: 2462: 2458: 2454: 2446: 2442: 2439: 2436: 2432: 2429: 2426: 2422: 2419: 2415: 2412: 2411: 2410: 2405: 2401: 2398: 2394: 2385: 2383: 2379: 2375: 2370: 2368: 2364: 2359: 2353: 2349: 2339: 2337: 2333: 2329: 2325: 2319: 2309: 2307: 2298: 2289: 2285: 2272: 2268: 2264: 2260: 2256: 2252: 2248: 2247: 2246:fluvioglacial 2242: 2241: 2240:glaciofluvial 2236: 2232: 2228: 2224: 2222: 2218: 2214: 2210: 2206: 2202: 2198: 2194: 2190: 2186: 2182: 2178: 2174: 2170: 2166: 2162: 2158: 2154: 2147: 2143: 2139: 2134: 2127: 2116: 2111: 2105: 2096: 2088: 2079: 2077: 2076:clay minerals 2073: 2065: 2062: 2059: 2056: 2054: 2051: 2047: 2046: 2045: 2037: 2035: 2031: 2026: 2016: 2008: 2003: 1993: 1973: 1965: 1961: 1955: 1951: 1944: 1939: 1935: 1928: 1923: 1919: 1911: 1910: 1909: 1906: 1890: 1886: 1863: 1859: 1836: 1832: 1809: 1805: 1778: 1771: 1766: 1762: 1755: 1751: 1745: 1741: 1733: 1728: 1724: 1716: 1715: 1714: 1712: 1708: 1702: 1692: 1690: 1686: 1682: 1675:(horizontal). 1674: 1669: 1655: 1653: 1650: 1647: 1644: 1641: 1640: 1636: 1634: 1631: 1628: 1625: 1622: 1621: 1618: 1615: 1613: 1610: 1607: 1604: 1601: 1600: 1596: 1593: 1590: 1587: 1586: 1582: 1579: 1577: 1573: 1570: 1569: 1565: 1562: 1559: 1556: 1555: 1551: 1548: 1546:0.5–1 mm 1545: 1542: 1541: 1538: 1534: 1531: 1528: 1525: 1524: 1521: 1518: 1515: 1512: 1509: 1506: 1505: 1501: 1498: 1496:0.157–0.31 in 1495: 1492: 1489: 1488: 1484: 1482:Medium gravel 1481: 1478: 1475: 1472: 1471: 1467: 1465:Coarse gravel 1464: 1461: 1459:16–32 mm 1458: 1455: 1454: 1451: 1448: 1446: 1442: 1439: 1437:32–64 mm 1436: 1433: 1432: 1429: 1426: 1423: 1420: 1417: 1416: 1413: 1410: 1407: 1404: 1401: 1400: 1396: 1391: 1386: 1381: 1378: 1377: 1374: 1370: 1366: 1360: 1350: 1348: 1341: 1336: 1330: 1325: 1316: 1314: 1311:deposits and 1310: 1307: 1303: 1299: 1295: 1294:river channel 1291: 1287: 1283: 1278: 1276: 1275:lithification 1272: 1268: 1264: 1260: 1259:sedimentation 1256: 1252: 1248: 1244: 1240: 1236: 1232: 1228: 1217: 1212: 1210: 1205: 1203: 1198: 1197: 1195: 1194: 1188: 1178: 1177: 1176: 1175: 1167: 1164: 1162: 1159: 1155: 1152: 1150: 1147: 1145: 1142: 1141: 1140: 1137: 1135: 1132: 1130: 1129:Sedimentology 1127: 1125: 1122: 1120: 1117: 1113: 1110: 1108: 1105: 1103: 1100: 1099: 1097: 1095: 1092: 1088: 1085: 1083: 1080: 1078: 1075: 1073: 1070: 1069: 1067: 1066: 1059: 1058: 1050: 1047: 1045: 1042: 1040: 1037: 1035: 1032: 1030: 1027: 1025: 1022: 1020: 1017: 1015: 1012: 1011: 1004: 1001: 999: 996: 994: 991: 990: 989: 988: 981: 978: 977: 976: 973: 972: 965: 962: 960: 957: 956: 955: 952: 950: 947: 946: 942: 937: 936: 928: 925: 923: 920: 918: 915: 913: 910: 909: 905: 900: 899: 889: 886: 885: 884: 881: 880: 875: 872: 870: 869:Pedodiversity 867: 865: 862: 860: 857: 855: 852: 851: 844: 843: 835: 832: 830: 827: 826: 819: 816: 814: 811: 809: 806: 804: 801: 800: 799: 796: 795: 788: 785: 783: 780: 779: 778: 775: 774: 770: 765: 764: 756: 753: 751: 748: 746: 743: 742: 735: 732: 730: 727: 725: 722: 721: 720: 717: 716: 709: 708:transgression 706: 705: 704: 701: 697: 694: 693: 692: 689: 687: 684: 682: 679: 677: 674: 672: 671:Bioirrigation 669: 667: 664: 662: 659: 657: 656:Calcification 654: 652: 649: 645: 642: 641: 640: 637: 633: 630: 628: 627:aragonite sea 625: 624: 623: 620: 618: 615: 614: 610: 605: 604: 596: 593: 591: 588: 586: 585:Hydropedology 583: 581: 580:Soil salinity 578: 576: 573: 571: 568: 566: 563: 561: 558: 554: 551: 549: 546: 544: 541: 540: 539: 536: 532: 529: 527: 524: 522: 519: 518: 517: 514: 513: 509:Soil sediment 506: 505: 497: 494: 492: 489: 487: 484: 482: 479: 477: 474: 472: 469: 465: 462: 460: 459:sole markings 457: 456: 455: 452: 450: 447: 445: 442: 440: 437: 435: 432: 428: 425: 423: 420: 418: 415: 413: 412:cross-bedding 410: 409: 408: 405: 403: 400: 399: 395: 390: 389: 381: 378: 376: 373: 371: 370:Lithification 368: 367: 360: 357: 355: 352: 351: 350: 347: 345: 342: 340: 337: 335: 332: 330: 327: 326: 321: 318: 316: 313: 311: 308: 306: 303: 301: 298: 297: 290: 287: 286: 285: 282: 281: 276: 273: 271: 270:Sedimentation 268: 267: 263: 258: 257: 249: 246: 244: 241: 240: 235: 232: 231: 224: 223: 213: 210: 208: 205: 203: 200: 199: 197: 196: 189: 186: 184: 181: 179: 176: 174: 171: 170: 169: 168: 159: 156: 154: 151: 150: 149: 146: 143: 140: 138: 135: 134: 133: 130: 129: 124: 121: 119: 116: 115: 108: 107: 98: 95: 94: 89: 86: 84: 81: 80: 73: 72: 68: 64: 63: 60: 57: 56: 52: 51: 44: 39: 33: 19: 3490: 3472: 3452: 3432: 3379: 3373: 3363: 3351:. Retrieved 3347: 3337: 3312: 3308: 3302: 3251: 3247: 3237: 3196: 3192: 3182: 3165: 3161: 3151: 3141:24 September 3139:. Retrieved 3128:. Elsevier. 3125: 3115: 3098: 3094: 3088: 3063: 3059: 3048: 3015: 3011: 3004: 2979: 2975: 2969: 2959:24 September 2957:. Retrieved 2955:. WorldAtlas 2946: 2927: 2921: 2896: 2888: 2877: 2849: 2842: 2830: 2818: 2785: 2781: 2775: 2763: 2746: 2742: 2736: 2717: 2711: 2588:ever found. 2560: 2551: 2547: 2538: 2530: 2518: 2495: 2476: 2469: 2450: 2408: 2384:conditions. 2371: 2357: 2355: 2321: 2312:Mass balance 2303: 2287: 2245: 2238: 2197:flash floods 2150: 2113: 2110:Rouse number 2069: 2043: 2022: 2013: 1991: 1907: 1796: 1706: 1704: 1688: 1684: 1680: 1678: 1566:Medium sand 1552:Coarse sand 1535:Very coarse 1479:0.31–0.63 in 1476:8–16 mm 1462:0.63–1.26 in 1443:Very coarse 1408:> 10.1 in 1397:Other names 1372: 1365:soil texture 1344: 1279: 1226: 1225: 1166:Biosignature 1134:Stratigraphy 1087:soil science 1082:paleontology 1039:Organic-rich 980:conglomerate 859:Soil zoology 755:Tidal bundle 734:hemipelagite 565:Soil horizon 531:permeability 491:Unconformity 434:Alluvial fan 427:ripple marks 394:By structure 349:Glacier flow 320:Bioturbation 58: 3315:: 108–117. 3254:: 291–298. 2623:Decantation 2605:Beach cusps 2457:sedimentary 2358:terrigenous 2332:dam removal 2251:periglacial 2237:, the term 2193:floodplains 2060:composition 2040:Composition 1529:1–2 mm 1510:2–4 mm 1499:Fine gravel 1493:4–8 mm 1440:1.26–2.5 in 1424:2.5–10.1 in 1394:(Wentworth) 1239:transported 1098:Principles 1044:Phosphorite 917:Soil carbon 883:Rhizosphere 829:Microfossil 818:radiolarite 691:Marine clay 644:calcite sea 617:Abyssal fan 471:River delta 464:imbrication 359:ice rafting 99:Hydrogenous 96:Cosmogenous 43:River Tiber 3511:Categories 3066:: 140183. 2835:Boggs 2006 2823:Boggs 2006 2768:Boggs 2006 2727:0131547283 2703:References 2653:Grain size 2511:Madagascar 2485:See also: 2435:calcareous 2346:See also: 2336:base level 2267:deposition 2253:flows and 2231:ice sheets 2108:See also: 1707:sphericity 1701:Sphericity 1699:See also: 1583:Fine sand 1387:Size range 1382:Size range 1363:See also: 1353:Grain size 1347:grain size 1298:deposition 1273:) through 1255:suspension 1231:weathering 1139:Rock cycle 1119:Provenance 1077:geological 954:Carbonates 729:contourite 686:Evaporites 538:morphology 526:pore space 334:Concretion 329:Compaction 300:Weathering 262:By process 132:Grain size 111:By texture 3532:Petrology 3517:Sediments 3276:0013-9351 3229:128689971 3221:1096-9837 3174:0022-4561 2869:751527782 2810:129658242 2749:: 64–72. 2659:Rain dust 2525:siltation 2453:turbidite 2400:eolianite 2271:river bed 2219:and even 2205:viscosity 2177:landforms 2153:geography 2053:lithology 1996:Roundness 1920:ψ 1887:ψ 1725:ψ 1685:roundness 1267:siltstone 1263:sandstone 1049:Siliceous 1034:Iron-rich 1029:Greywacke 1014:Evaporite 998:sandstone 959:limestone 724:turbidite 622:Aragonite 375:Siltation 118:Roundness 88:Biogenous 76:By origin 59:Sediments 18:Sediments 3414:32724059 3294:29175727 3040:55543845 2689:Settling 2665:Regolith 2617:Bioswale 2592:See also 2578:seafloor 2506:tropical 2414:Littoral 2397:Holocene 2382:climatic 2306:moraines 2235:ice caps 2227:glaciers 2221:boulders 2173:deposits 2171:and the 2064:Chemical 1673:rounding 1574:125–250 1507:−1 to −2 1490:−2 to −3 1473:−3 to −4 1456:−4 to −5 1434:−5 to −6 1418:−6 to −8 1389:(inches) 1384:(metric) 1290:glaciers 1227:Sediment 1187:Category 1068:History 964:dolomite 949:Badlands 407:Bedforms 248:Tektites 3405:7387439 3384:Bibcode 3353:31 July 3317:Bibcode 3285:5773246 3256:Bibcode 3201:Bibcode 3068:Bibcode 3020:Bibcode 2984:Bibcode 2790:Bibcode 2641:Erosion 2580:in the 2567:aerobic 2520:lavakas 2515:plateau 2445:bay mud 2418:clastic 2378:fossils 2328:meander 2269:on the 2263:erosion 2217:cobbles 2201:density 2189:fractal 2181:ripples 2169:streams 2157:geology 2066:make-up 2058:Mineral 2048:Parent 2030:aeolian 1652:Colloid 1642:> 10 1526:0 to −1 1520:Granule 1502:Pebble 1485:Pebble 1468:Pebble 1412:Boulder 1402:< −8 1379:φ scale 1309:moraine 1306:Glacial 1243:gravity 1235:erosion 1144:calcium 1072:geology 1062:Related 1003:mudrock 993:breccia 975:Clastic 719:Pelagic 666:Bay mud 639:Calcite 543:texture 305:Erosion 289:coastal 188:colloid 158:granule 137:boulder 123:Sorting 3497:  3479:  3461:  3439:  3412:  3402:  3292:  3282:  3274:  3227:  3219:  3172:  3132:  3038:  2934:  2909:  2867:  2857:  2808:  2724:  2365:(e.g. 2213:gravel 2165:rivers 2146:Alaska 2025:quartz 1851:, and 1797:where 1623:> 8 1602:8 to 4 1588:4 to 3 1571:3 to 2 1557:2 to 1 1543:1 to 0 1450:Pebble 1445:gravel 1428:Cobble 1288:) and 1185:  1149:silica 560:Catena 521:matrix 417:duness 202:oolite 198:Other 153:pebble 148:gravel 142:cobble 3225:S2CID 3036:S2CID 2806:S2CID 2428:clays 2425:silty 2233:, or 2187:, in 2185:dunes 1663:Shape 1302:loess 1024:Chert 1019:Chalk 575:Humin 570:Humus 553:color 548:value 444:Fault 207:scree 3495:ISBN 3477:ISBN 3459:ISBN 3453:Sand 3437:ISBN 3410:PMID 3355:2020 3290:PMID 3272:ISSN 3217:ISSN 3170:ISSN 3143:2021 3130:ISBN 2961:2021 2932:ISBN 2907:ISBN 2865:OCLC 2855:ISBN 2722:ISBN 2671:Sand 2500:and 2459:and 2367:sand 2350:and 2334:and 2261:and 2211:and 2209:sand 2203:and 2183:and 2175:and 2167:and 2155:and 2072:clay 2050:rock 1695:Form 1681:form 1656:Mud 1637:Mud 1633:Clay 1612:Silt 1537:sand 1367:and 1313:till 1265:and 1251:silt 1249:and 1247:sand 1233:and 927:Peat 922:Coal 516:Soil 449:Fold 212:till 183:clay 178:silt 173:sand 3400:PMC 3392:doi 3325:doi 3280:PMC 3264:doi 3252:161 3209:doi 3103:doi 3076:doi 3064:434 3028:doi 3016:117 2992:doi 2980:115 2903:234 2798:doi 2751:doi 2504:of 2265:or 2243:or 2151:In 2078:). 1617:Mud 3513:: 3408:. 3398:. 3390:. 3380:11 3378:. 3372:. 3346:. 3323:. 3311:. 3288:. 3278:. 3270:. 3262:. 3250:. 3246:. 3223:. 3215:. 3207:. 3197:26 3195:. 3191:. 3166:58 3164:. 3160:. 3099:60 3097:. 3074:. 3062:. 3058:. 3034:. 3026:. 3014:. 2990:. 2978:. 2905:. 2863:. 2804:. 2796:. 2786:66 2784:. 2747:11 2745:. 2536:. 2474:. 2467:. 2447:". 2308:. 2229:, 2223:. 2159:, 2144:, 2036:. 1824:, 1576:μm 1277:. 3416:. 3394:: 3386:: 3357:. 3331:. 3327:: 3319:: 3313:7 3296:. 3266:: 3258:: 3231:. 3211:: 3203:: 3176:. 3145:. 3109:. 3105:: 3082:. 3078:: 3070:: 3042:. 3030:: 3022:: 2998:. 2994:: 2986:: 2963:. 2940:. 2915:. 2871:. 2812:. 2800:: 2792:: 2757:. 2753:: 2730:. 2273:. 2128:. 1974:3 1966:I 1962:D 1956:L 1952:D 1945:2 1940:S 1936:D 1929:= 1924:p 1891:l 1864:S 1860:D 1837:I 1833:D 1810:L 1806:D 1779:3 1772:2 1767:L 1763:D 1756:I 1752:D 1746:S 1742:D 1734:= 1729:l 1269:( 1215:e 1208:t 1201:v 34:. 20:)

Index

Sediments
Sediment (wine)

River Tiber
Sediments

Terrigenous (lithogenous)
Biogenous
Roundness
Sorting
Grain size
boulder
cobble
gravel
pebble
granule
sand
silt
clay
colloid
oolite
scree
till
Manganese nodules
Oolitic aragonite sand
Tektites
By process
Sedimentation
Sedimentary budget
Sediment transport

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