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Santa Fe Group (geology)

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217: 274: 117: 1475: 1285: 1615:"Hydrogeologic Framework and Delineation of Transient Areas Contributing Recharge and Zones of Contribution to Selected Wells in the Upper Santa Fe Group Aquifer, Southeastern Albuquerque, New Mexico, 1900–2050" 779:, in some places exceeding 100 feet (30 m). The aquifer continues to be studied to characterize the effects of new development, and resulting shifts in groundwater flow, on pollutants in the aquifer. 660:
in 1968) carried out field work through 1972. Work prior to 1940 was careless about identifying exact source strata, though greater care was taken thereafter. Most of the fossils came from the Pojoaque
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of these basins into the ancestral Rio Grande, so that their drainage flowed toward southern New Mexico. Some geologists also define a middle section transitional between the upper and lower sections.
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Brister, Brian S.; Gries, Robbie R. (1994). "Tertiary stratigraphy and tectonic development of the Alamosa basin (northern San Luis basin), Rio Grande rift, south central Colorado".
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area in 1924, and immediately recognized the paleontological potential of the Santa Fe beds. The Fricks Laboratory (merged with the Department of Vertebrate Paleontology of the
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and was extensively faulted and deformed. He interpreted the formation as being deposited in a series of basins along an ancestral Rio Grande. The formation was promoted to
1638:"Birth and evolution of the Rio Grande fluvial system in the past 8 Ma: Progressive downward integration and the influence of tectonics, volcanism, and climate" 1701:
The stratigraphic position of fossil vertebrates from the Pojoaque Member of the Tesuque Formation (Middle Miocene, Late Barstovian) near EspaΓ±ola, New Mexico
1394:"Estimated 2016 Groundwater Level and Drawdown from Predevelopment to 2016 in the Santa Fe Group Aquifer System in the Albuquerque Area, Central New Mexico" 1586:
May, S. Judson; Russell, Lee R. (1994). "Thickness of the syn-rift Santa Fe Group in the Albuquerque Basin and its relation to structural style".
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potential of the Santa Fe Group was recognized by Bryan Kirk in 1938, and the Alamosa subbasin of the San Luis Valley, the central part of the
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are now among the most productive groundwater reservoirs in the western United States. In the Albuquerque area, this has produced significant
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Formations of the Santa Fe Group are defined in each basin of the Rio Grande rift, though some formations extend across multiple basins.
1286:"Provenance of volcanic clasts from the Santa Fe Group, Culebra graben of the San Luis Basin, Colorado: A guide to tectonic evolution" 1744: 1420: 1739: 1548: 426:
The lower Santa Fe Group is present only in the subsurface in the San Luis Basin and has not been divided into formations.
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Connell, Sean D. (2001). "Stratigraphy of the Albuquerque Basin, Rio Grande Rift, Central New Mexico: A progress report".
1672: 657: 353:. These range in age from late Oligocene to Pleistocene. The oldest formations in the group correspond to the earliest 1541:
A brief history of geological studies in New Mexico : with biographical profiles of notable New Mexico geologists
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Kirk, Bryan (1938). "Geology and ground-water conditions of the Rio Grande depression in Colorado and New Mexico".
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beds which they overlie. He noted their great thickness, which he observed to be at least 1,500 feet (460 m).
623: 1449:"Overview of the Hydrogeology and Geohydrology of the Northern Rio Grande Basin - Colorado, New Mexico, and Texas" 813:
By 1936, the Santa Fe Formation had been traced from central New Mexico into southern Colorado. Two years later,
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The formations in the group are divided into lower and upper sections. The lower Santa Fe Group was deposited in
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Galusha and Blick advocated a much narrower definition of the Santa Fe Group in 1971. They restricted it to the
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rank in 1953 and defined by Baldwin three years later as basin-filling sedimentary and volcanic rocks of the
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of the Tesuque Formation and were almost entire found within thin (0.5–3 m) maroon-red to pale green
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The Rio Grande Joint Investigation in the upper Rio Grande basin in Colorado, New Mexico, and Texas
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Wilmarth, M.G. (1936). "Lexicon of geologic names of the United States (including Alaska)".
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river system has exposed many of the beds deposited earlier, often spectacularly, as in the
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deposits eroded from basin-margin uplifts. The upper Santa Fe Group was deposited after
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during his 1869 survey of New Mexico and Colorado. He likened these to the badlands of
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gave the name "Santa Fe Marls" to the extensive sedimentary beds in the valley of the
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Armstrong, Corine; Dutrow, Barbara L.; Henry, Darrell J.; Thompson, Ren A. (2013).
722: 483: 322: 1590:. Geological Society of America Special Papers. Vol. 291. pp. 113–124. 857: 830: 818: 498: 438: 362: 350: 330: 314: 287: 232: 1513:"Tertiary-Quaternary sediments of the Rio Grande Valley in southern New Mexico" 1346:. Geological Society of America Special Papers. Vol. 291. pp. 39–58. 803: 697: 523: 443: 1733: 853: 635: 627: 548: 326: 222: 75: 29: 1588:
Basins of the Rio Grande Rift: Structure, Stratigraphy, and Tectonic Setting
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Basins of the Rio Grande Rift: Structure, Stratigraphy, and Tectonic Setting
273: 799: 649: 619: 860:. However, the broad 1956 definition by Baldwin has been widely accepted. 1636:
Repasch, Marisa; Karlstrom, Karl; Heizler, Matt; Pecha, Mark (May 2017).
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New Perspectives on Rio Grande Rift Basins: From Tectonics to Groundwater
776: 752: 726: 311: 116: 50: 37: 1627: 1614: 1595: 1560:"The Palomas Formation of south-central New Mexico; a formal definition" 1261: 1225: 1351: 791: 718: 674: 389: 370: 295: 200: 95: 60: 740: 734: 713: 707: 691: 670: 666: 393: 354: 307: 181: 171: 100: 44: 33: 1410: 1393: 1015: 730: 685: 642:, arrived at San Ildefonso the next year and collected a number of 631: 374: 299: 204: 90: 85: 70: 65: 55: 1371:
New Mexico Bureau of Mines and Mineral Resources Open File Reports
1032: 1030: 1673:"Geology of San Diego Mountain area, Dona Ana County, New Mexico" 822: 768: 701: 653: 643: 366: 358: 334: 105: 80: 1027: 385: 303: 681: 388:(closed arid basins) where streams drained into intermittent 1635: 1539:
Kues, Barry S.; Lewis, Claudia J.; Lueth, Virgil W. (2014).
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in 1873 and found fossil mammal bones characteristic of the
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Los Barrancos, New Mexico, underlain by Santa Fe Group beds
1201: 1078: 1054: 1042: 1704:(MS thesis). Stephen F. Austin State University. Paper 41 1680:
New Mexico Bureau of Mines and Mineral Resources Bulletin
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New Mexico Geological Society Field Conference Guidebook
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United States Geologic Survey of New Mexico and Colorado
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New Mexico Geological Society Field Conference Guidebook
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of the region around the rift has ended deposition, and
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Group of geologic formations filling the Rio Grande rift
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U.S. Geological Survey Scientific Investigations Report
1141: 1506:. U.S. National Resources Committee. pp. 197–225. 1249: 1177: 1090: 996: 953: 984: 936: 897: 875: 873: 1398:
U.S. Geological Survey Scientific Investigations Map
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beds of lithosome B. These are interpreted as small
1670: 1213: 1107: 1105: 1036: 1671:Seager, W.R.; Hawley, J.W.; Clemons, R.E. (1971). 1428:Bulletin of the American Museum of Natural History 1153: 870: 1543:(First ed.). New Mexico Geological Society. 1731: 1421:"Stratigraphy of the Santa Fe Group, New Mexico" 1316:"The Santa Fe group of north-central New Mexico" 1102: 680:Fossils found in the Santa Fe Group include the 1621:. Scientific Investigations Report. 2019–5052. 349:-filling sedimentary and volcanic rocks of the 1557: 1538: 1446: 1207: 1123: 1048: 1021: 817:recognized that it extended at least from the 504: 1391: 1135: 1418: 1341: 1243: 1195: 1084: 1060: 930: 918: 891: 1612: 1147: 848:basin, and specifically excluded the older 782: 1697: 1613:Myers, Nathan c.; Friesz, Paul J. (2019). 1585: 1510: 1255: 1183: 1096: 1072: 272: 115: 1661: 1626: 1409: 1382: 1716: 1171: 802:and correctly determined that they were 345:The Santa Fe Group is widely defined as 1368: 1313: 1219: 1009: 990: 978: 966: 947: 906: 879: 1732: 1473: 1159: 806:in age and were much younger than the 555:Southern and eastern Albuquerque Basin 1558:Lozinsky, R.P.; Hawley, J.W. (1986). 1447:Hawley, John; Kernodle, Mike (1999). 1419:Galusha, Ted; Blick, John C. (1971). 1501: 1392:Galanter, A.E.; Curry, L.T. (2019). 1111: 746: 646:reptile, bird, and mammal fossils. 13: 1750:Paleogene formations of New Mexico 658:American Museum of Natural History 579: 333:, and contains important regional 14: 1761: 1400:. Scientific Investigations Map. 1037:Seager, Hawley & Clemons 1971 429: 411: 1745:Neogene formations of New Mexico 215: 48: 1698:Williamson, Garrett R. (2016). 1663:10.1016/j.earscirev.2017.03.003 474: 340: 1: 1740:Geologic groups of New Mexico 1277: 634:. Some of these were sent to 403: 158:5,000 m (16,000 ft) 1049:Kues, Lewis & Lueth 2014 863: 652:sent an expedition into the 7: 1456:WRRI Conference Proceedings 505:Northwest Albuquerque Basin 10: 1766: 1719:Geological Survey Bulletin 1314:Baldwin, Brewster (1956). 1208:Hawley & Kernodle 1999 1124:Hawley & Kernodle 1999 1022:Lozinsky & Hawley 1986 614: 1511:Kottlowski, F.E. (1953). 1136:Galanter & Curry 2019 564:Sierra Ladrones Formation 514:Sierra Ladrones Formation 271: 263: 253: 243: 238: 228: 210: 196: 191: 177: 167: 162: 154: 144: 136: 126: 114: 28: 23: 1244:Brister & Gries 1994 1196:Galusha & Blick 1971 1085:Galusha & Blick 1971 1061:Galusha & Blick 1971 931:Brister & Gries 1994 919:Brister & Gries 1994 892:Galusha & Blick 1971 783:History of investigation 638:. Marsh's bitter rival, 317:. The group consists of 1232:Armstrong et al. (2013) 1148:Myers & Friesz 2019 604:Rincon Valley Formation 534:Middle Santa Fe Group: 1256:May & Russell 1994 609:Hayner Ranch Formation 599:Lower Santa Fe Group: 584:Upper Santa Fe Group: 569:Lower Santa Fe Group: 559:Upper Santa Fe Group: 544:Lower Santa Fe Group: 539:Cerro Conejo Formation 529:Arroyo Ojito Formation 509:Upper Santa Fe Group: 489:Lower Santa Fe Group: 479:Upper Santa Fe Group: 454:Lower Santa Fe Group: 434:Upper Santa Fe Group: 416:Upper Santa Fe Group: 355:structural deformation 306:characteristic of the 1642:Earth-Science Reviews 1474:Hayden, F.V. (1869). 1024:, pp. 73–78, 82. 624:San Ildefonso Pueblo 494:Blackshare Formation 248:Santa Fe, New Mexico 1654:2017ESRv..168..113R 1628:10.3133/sir20195052 1596:10.1130/SPE291-p113 1268:Repasch et al. 2017 981:, pp. 118–119. 759:, and the southern 640:Edward Drinker Cope 589:Camp Rice Formation 292:geologic formations 30:Stratigraphic range 1567:New Mexico Geology 1352:10.1130/SPE291-p39 808:Galisteo Formation 574:Popotosa Formation 149:Espinaso Formation 1550:978-1-58546-011-3 842:Chamita Formation 838:Tesuque Formation 757:Albuquerque Basin 594:Palomas Formation 519:Cochiti Formation 469:Abiquiu Formation 464:Tesuque Formation 459:Chamita Formation 449:Cochiti Formation 421:Alamosa Formation 280: 279: 1757: 1726: 1713: 1711: 1709: 1694: 1692: 1690: 1677: 1667: 1665: 1632: 1630: 1609: 1582: 1580: 1578: 1564: 1554: 1535: 1533: 1531: 1517: 1507: 1498: 1496: 1494: 1470: 1468: 1466: 1453: 1443: 1441: 1439: 1425: 1415: 1413: 1388: 1386: 1365: 1338: 1336: 1334: 1320: 1310: 1308: 1306: 1271: 1265: 1259: 1253: 1247: 1241: 1235: 1229: 1223: 1217: 1211: 1205: 1199: 1193: 1187: 1181: 1175: 1169: 1163: 1157: 1151: 1145: 1139: 1133: 1127: 1121: 1115: 1109: 1100: 1094: 1088: 1082: 1076: 1070: 1064: 1058: 1052: 1046: 1040: 1034: 1025: 1019: 1013: 1007: 994: 988: 982: 976: 970: 964: 951: 945: 934: 933:, p. 46-48. 928: 922: 916: 910: 904: 895: 889: 883: 877: 747:Economic geology 723:Vespertilionidae 669:to fine-grained 484:Tuerto Formation 357:associated with 276: 221: 219: 218: 119: 110: 47: 21: 20: 1765: 1764: 1760: 1759: 1758: 1756: 1755: 1754: 1730: 1729: 1707: 1705: 1688: 1686: 1675: 1606: 1576: 1574: 1562: 1551: 1529: 1527: 1515: 1492: 1490: 1488: 1464: 1462: 1451: 1437: 1435: 1423: 1411:10.3133/sim3433 1384:10.1.1.524.6206 1362: 1332: 1330: 1318: 1304: 1302: 1300: 1280: 1275: 1274: 1266: 1262: 1254: 1250: 1242: 1238: 1230: 1226: 1218: 1214: 1206: 1202: 1194: 1190: 1184:Kottlowski 1953 1182: 1178: 1170: 1166: 1158: 1154: 1146: 1142: 1134: 1130: 1122: 1118: 1110: 1103: 1097:Williamson 2016 1095: 1091: 1083: 1079: 1073:Williamson 2016 1071: 1067: 1059: 1055: 1047: 1043: 1035: 1028: 1020: 1016: 1008: 997: 989: 985: 977: 973: 969:, p. A-15. 965: 954: 946: 937: 929: 925: 917: 913: 905: 898: 890: 886: 878: 871: 866: 858:Ancha Formation 831:Rio Grande rift 785: 749: 617: 582: 580:Orogrande Basin 557: 507: 499:Tanos Formation 477: 439:Ancha Formation 432: 414: 406: 363:Geologic uplift 351:Rio Grande rift 343: 331:Rio Grande rift 233:Rio Grande rift 216: 214: 203: 122: 109: 108: 103: 98: 93: 88: 83: 78: 73: 68: 63: 58: 53: 42: 41: 19: 12: 11: 5: 1763: 1753: 1752: 1747: 1742: 1728: 1727: 1714: 1695: 1668: 1633: 1610: 1604: 1583: 1555: 1549: 1536: 1508: 1499: 1486: 1471: 1444: 1416: 1389: 1366: 1360: 1339: 1311: 1298: 1279: 1276: 1273: 1272: 1260: 1248: 1236: 1224: 1212: 1200: 1188: 1176: 1164: 1152: 1140: 1128: 1116: 1101: 1089: 1077: 1065: 1053: 1041: 1026: 1014: 1012:, p. A-9. 995: 993:, p. 118. 983: 971: 952: 950:, p. 119. 935: 923: 911: 909:, p. A-8. 896: 884: 868: 867: 865: 862: 819:San Luis Basin 804:upper Tertiary 784: 781: 748: 745: 616: 613: 612: 611: 606: 597: 596: 591: 581: 578: 577: 576: 567: 566: 556: 553: 552: 551: 542: 541: 532: 531: 526: 524:Ceja Formation 521: 516: 506: 503: 502: 501: 496: 487: 486: 476: 473: 472: 471: 466: 461: 452: 451: 446: 444:Puye Formation 441: 431: 430:Espanola Basin 428: 424: 423: 413: 412:San Luis Basin 410: 405: 402: 392:surrounded by 342: 339: 327:volcanic rocks 302:. It contains 284:Santa Fe Group 278: 277: 269: 268: 265: 261: 260: 255: 251: 250: 245: 241: 240: 236: 235: 230: 226: 225: 212: 208: 207: 198: 194: 193: 189: 188: 179: 175: 174: 169: 165: 164: 160: 159: 156: 152: 151: 146: 142: 141: 138: 134: 133: 128: 124: 123: 120: 112: 111: 104: 99: 94: 89: 84: 79: 74: 69: 64: 59: 54: 49: 26: 25: 24:Santa Fe Group 17: 9: 6: 4: 3: 2: 1762: 1751: 1748: 1746: 1743: 1741: 1738: 1737: 1735: 1724: 1720: 1715: 1703: 1702: 1696: 1685: 1681: 1674: 1669: 1664: 1659: 1655: 1651: 1647: 1643: 1639: 1634: 1629: 1624: 1620: 1616: 1611: 1607: 1605:0-8137-2291-8 1601: 1597: 1593: 1589: 1584: 1572: 1568: 1561: 1556: 1552: 1546: 1542: 1537: 1525: 1521: 1514: 1509: 1505: 1500: 1489: 1487:9780813724942 1483: 1479: 1478: 1472: 1461: 1457: 1450: 1445: 1433: 1429: 1422: 1417: 1412: 1407: 1403: 1399: 1395: 1390: 1385: 1380: 1376: 1372: 1367: 1363: 1361:0-8137-2291-8 1357: 1353: 1349: 1345: 1340: 1328: 1324: 1317: 1312: 1301: 1299:9780813724942 1295: 1291: 1287: 1282: 1281: 1269: 1264: 1257: 1252: 1245: 1240: 1233: 1228: 1221: 1216: 1209: 1204: 1197: 1192: 1185: 1180: 1173: 1172:Wilmarth 1936 1168: 1161: 1156: 1149: 1144: 1137: 1132: 1125: 1120: 1113: 1108: 1106: 1098: 1093: 1087:, p. 19. 1086: 1081: 1075:, p. iv. 1074: 1069: 1063:, p. 14. 1062: 1057: 1050: 1045: 1038: 1033: 1031: 1023: 1018: 1011: 1006: 1004: 1002: 1000: 992: 987: 980: 975: 968: 963: 961: 959: 957: 949: 944: 942: 940: 932: 927: 921:, p. 48. 920: 915: 908: 903: 901: 893: 888: 881: 876: 874: 869: 861: 859: 855: 854:Zia Formation 851: 847: 843: 839: 834: 832: 828: 824: 820: 816: 811: 809: 805: 801: 797: 793: 789: 780: 778: 774: 770: 766: 762: 758: 754: 744: 742: 738: 737:valentinensis 736: 732: 728: 724: 720: 716: 715: 710: 709: 704: 703: 699: 698:antilocaprids 695: 693: 688: 687: 683: 678: 676: 672: 668: 664: 659: 655: 651: 647: 645: 641: 637: 636:Othniel Marsh 633: 629: 628:Hayden Survey 625: 621: 610: 607: 605: 602: 601: 600: 595: 592: 590: 587: 586: 585: 575: 572: 571: 570: 565: 562: 561: 560: 550: 549:Zia Formation 547: 546: 545: 540: 537: 536: 535: 530: 527: 525: 522: 520: 517: 515: 512: 511: 510: 500: 497: 495: 492: 491: 490: 485: 482: 481: 480: 470: 467: 465: 462: 460: 457: 456: 455: 450: 447: 445: 442: 440: 437: 436: 435: 427: 422: 419: 418: 417: 409: 401: 399: 395: 391: 387: 382: 380: 376: 372: 368: 364: 360: 356: 352: 348: 338: 336: 332: 328: 324: 320: 316: 313: 309: 305: 301: 297: 293: 289: 285: 275: 270: 266: 262: 259: 256: 252: 249: 246: 242: 237: 234: 231: 227: 224: 223:United States 213: 209: 206: 202: 199: 195: 190: 187: 183: 180: 176: 173: 170: 166: 161: 157: 153: 150: 147: 143: 139: 135: 132: 129: 125: 118: 113: 107: 102: 97: 92: 87: 82: 77: 72: 67: 62: 57: 52: 46: 39: 35: 31: 27: 22: 16: 1725:(1–2): 2396. 1722: 1718: 1706:. Retrieved 1700: 1687:. Retrieved 1683: 1679: 1645: 1641: 1618: 1587: 1575:. Retrieved 1570: 1566: 1540: 1528:. Retrieved 1523: 1519: 1503: 1491:. Retrieved 1476: 1463:. Retrieved 1459: 1455: 1436:. Retrieved 1431: 1427: 1401: 1397: 1374: 1370: 1343: 1333:23 September 1331:. Retrieved 1326: 1322: 1303:. Retrieved 1289: 1263: 1251: 1239: 1227: 1220:Connell 2001 1215: 1203: 1191: 1179: 1167: 1155: 1143: 1131: 1126:, p. 1. 1119: 1092: 1080: 1068: 1056: 1044: 1017: 1010:Connell 2001 991:Baldwin 1956 986: 979:Baldwin 1956 974: 967:Connell 2001 948:Baldwin 1956 926: 914: 907:Connell 2001 894:, p. 9. 887: 880:Baldwin 1956 856:and younger 835: 812: 800:South Dakota 786: 750: 733: 712: 706: 700: 690: 684: 679: 650:Childs Frick 648: 620:G.K. Gilbert 618: 598: 583: 568: 558: 543: 533: 508: 488: 478: 453: 433: 425: 415: 407: 383: 344: 283: 281: 264:Year defined 239:Type section 186:conglomerate 15: 1648:: 113–164. 1160:Hayden 1869 777:water table 763:basin from 753:groundwater 727:Antrozoinae 475:Hagen Basin 398:integration 390:playa lakes 341:Description 323:sedimentary 312:Pleistocene 38:Pleistocene 1734:Categories 1493:1 November 1305:1 November 1278:References 821:to beyond 792:Rio Grande 765:Las Cruces 741:mastodonts 719:chiroptera 677:deposits. 675:lacustrine 404:Formations 371:Rio Grande 296:New Mexico 201:New Mexico 43:26–1  1689:14 August 1577:14 August 1526:: 144–148 1379:CiteSeerX 1329:: 115–121 1112:Kirk 1938 864:Footnotes 735:Glyptemys 721:from the 714:Ramoceros 708:Merycodus 692:Carpocyon 671:siltstone 667:claystone 626:with the 377:north of 321:-filling 308:Oligocene 244:Named for 182:Sandstone 172:Siltstone 163:Lithology 155:Thickness 137:Sub-units 34:Oligocene 846:Espanola 796:Santa Fe 773:drawdown 686:Hemicyon 632:Pliocene 622:visited 394:piedmont 379:Santa Fe 375:badlands 335:aquifers 310:through 300:Colorado 254:Named by 205:Colorado 192:Location 145:Overlies 140:See text 1708:25 July 1650:Bibcode 850:Abiquiu 844:in the 823:El Paso 775:of the 769:El Paso 761:Mesilla 702:Cosoryx 654:Tesuque 644:Miocene 615:Fossils 386:bolsons 369:in the 367:erosion 359:rifting 329:of the 304:fossils 211:Country 168:Primary 1602:  1547:  1530:17 May 1484:  1465:13 May 1438:13 May 1381:  1358:  1296:  788:Hayden 739:, and 731:turtle 729:, the 711:, and 696:, the 682:canids 663:Member 315:epochs 258:Hayden 229:Extent 220:  197:Region 1676:(PDF) 1563:(PDF) 1516:(PDF) 1452:(PDF) 1424:(PDF) 1319:(PDF) 827:group 815:Bryan 794:near 694:webbi 347:basin 319:basin 288:group 286:is a 178:Other 131:Group 1710:2020 1691:2020 1600:ISBN 1579:2020 1545:ISBN 1532:2020 1495:2020 1482:ISBN 1467:2020 1440:2020 1402:3433 1375:454B 1356:ISBN 1335:2020 1307:2020 1294:ISBN 852:and 840:and 751:The 725:and 689:and 325:and 298:and 282:The 267:1869 127:Type 51:Preκž’ 1723:896 1658:doi 1646:168 1623:doi 1592:doi 1573:(4) 1434:(1) 1432:144 1406:doi 1348:doi 767:to 294:in 290:of 36:to 1736:: 1721:. 1684:97 1682:. 1678:. 1656:. 1644:. 1640:. 1617:. 1598:. 1569:. 1565:. 1522:. 1518:. 1480:. 1460:44 1458:. 1454:. 1430:. 1426:. 1404:. 1396:. 1377:. 1373:. 1354:. 1325:. 1321:. 1292:. 1288:. 1104:^ 1029:^ 998:^ 955:^ 938:^ 899:^ 872:^ 833:. 743:. 717:, 705:, 381:. 361:. 337:. 184:, 101:Pg 45:Ma 40:, 32:: 1712:. 1693:. 1666:. 1660:: 1652:: 1631:. 1625:: 1608:. 1594:: 1581:. 1571:8 1553:. 1534:. 1524:4 1497:. 1469:. 1442:. 1414:. 1408:: 1387:. 1364:. 1350:: 1337:. 1327:7 1309:. 1270:. 1258:. 1246:. 1234:. 1222:. 1210:. 1198:. 1186:. 1174:. 1162:. 1150:. 1138:. 1114:. 1099:. 1051:. 1039:. 882:. 106:N 96:K 91:J 86:T 81:P 76:C 71:D 66:S 61:O 56:κž’

Index

Stratigraphic range
Oligocene
Pleistocene
Ma
Preκž’
κž’
O
S
D
C
P
T
J
K
Pg
N

Group
Espinaso Formation
Siltstone
Sandstone
conglomerate
New Mexico
Colorado
United States
Rio Grande rift
Santa Fe, New Mexico
Hayden

group

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