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in their 'First 100 IUGS Geological
Heritage Sites' as being of global significance for the understanding of tectonics and ongoing geological processes. Amongst the caves developed within the several salt karsts in Spain are Cova dels Meandres de Sales which at 4.3km in length is the world's third
28:
by dissolution of this very soluble rock by water. As with other soluble rocks, a distinctive set of landscape features can arise from the solutional process; in this case it is known as
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92:"This article is more than 3 years old 'Like another planet': Malham salt cave is world's longest, say researchers"
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in Israel is the longest salt cave in the world with a measured length of over 10km. It is located at
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longest. The fourth longest is
Pestera 6S de la Mânzălesti, in România, at 3.1km in length.
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or 'halite karst'. The three key areas of salt karst are those in
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Southern
African Institute of Mining and Metallurgy
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68:. This cave was listed in October 2022 by the
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117:IUGS International Commission on Geoheritage
1512:Institute of Materials, Minerals and Mining
1485:History of hard rock miners' organizations
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70:International Union of Geological Sciences
1470:American Society of Reclamation Sciences
1317:North American Aerospace Defense Command
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1670:
56:. There are significant salt caves on
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164:
13:
1410:Journey to the Center of the Earth
1312:Naples underground geothermal zone
14:
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1527:Research Centre for Deep Drilling
1522:International Union of Speleology
202:Glossary of caving and speleology
90:Beaumont, Peter (28 March 2019).
1517:Institution of Mining Engineers
1282:Underground Great Wall of China
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591:Nok and Mamproug Cave Dwellings
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1532:Society of Economic Geologists
1500:National Speleological Society
1450:Wonderland (fictional country)
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64:including Tri Nahacu Cave and
44:, together with an example in
1:
957:Subterranean rivers of London
76:
1490:National Mine Map Repository
932:Jewel Cave National Monument
644:List of UK caving fatalities
7:
1495:National Mining Association
1322:Raven Rock Mountain Complex
110:"Namakdan salt caves, Iran"
10:
1704:
1435:Tunnels in popular culture
1277:Underground City, Montreal
1272:Underground City (Beijing)
1217:816 Nuclear Military Plant
947:Mammoth Cave National Park
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1242:Cheyenne Mountain Complex
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1608:Underground construction
1480:Cave Research Foundation
620:Cave of Forgotten Dreams
1094:Missile launch facility
967:Wind Cave National Park
613:Diving into the Unknown
1247:Chicago Tunnel Company
886:Subterranean waterfall
659:Tham Luang cave rescue
654:Riesending cave rescue
1262:Kőbánya cellar system
1252:Houston tunnel system
1232:Almadén Mercury Mines
1227:The Caves of Ægissíða
627:The Underground Eiger
1657:Subterranean warfare
1430:Subterranea (comics)
1415:Moria (Middle-earth)
1395:Allegory of the cave
1379:Subterranean fiction
1613:Tunnel construction
1337:Subterranean Toledo
1332:Subterranean London
1222:Caves of Maastricht
649:Alpazat cave rescue
294:Types and formation
1635:Mining engineering
1620:Underground living
1445:Underland (Narnia)
1360:Fictional features
1139:Underground hangar
881:Subterranean river
876:Subterranean fauna
576:Cave-dwelling Jews
323:Estavelle/Inversac
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1553:Cave conservation
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1201:Ventilation shaft
980:Man-made features
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458:(Cave formations)
221:Cave conservation
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1630:Mine exploration
1405:Greek Underworld
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1342:Turda Salt Mines
1327:Shanghai tunnels
1191:Smuggling tunnel
1134:Underground base
1129:Underground city
1044:Dugout (shelter)
994:Air raid shelter
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942:Lechuguilla Cave
922:Castellana Caves
891:Underground lake
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721:Natural features
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303:Anchihaline cave
285:Caves by country
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145:. Jochen Duckeck
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1064:Fallout shelter
1034:Crypt Mausoleum
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962:Veryovkina Cave
952:Reed Flute Cave
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812:Solutional cave
760:Communal burrow
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1588:Civil defense
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1578:Cave painting
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1463:Organisations
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1297:Mustang Caves
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1164:Semi-basement
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1154:Subway system
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1124:Utility vault
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1109:Rock-cut tomb
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1099:Passage grave
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1054:Earth shelter
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1019:Blast shelter
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937:Kazumura Cave
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896:Volcanic pipe
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844:Maternity den
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839:Magma chamber
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755:Burrow fossil
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490:Dogtooth spar
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475:Calcite rafts
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275:Speleogenesis
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226:Cave painting
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216:Biospeleology
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144:
143:Showcaves.com
140:
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66:Namakdan Cave
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1558:Cave dweller
1420:Nome Kingdom
1374:Hollow Earth
1287:Maginot Line
1186:Storm cellar
1004:Burial vault
866:Rock shelter
777:Glacier cave
625:
618:
611:
571:Cave dweller
485:Cave popcorn
424:Underground
379:
343:Karst spring
333:Glacier cave
147:. Retrieved
142:
139:"Salt Caves"
133:
121:. Retrieved
116:
104:
96:The Guardian
95:
85:
58:Qeshm Island
50:Malcham cave
17:
15:
1640:Mole people
1625:Mine rescue
1573:Cave rescue
1563:Cave diving
1307:Mogao Caves
1237:Coober Pedy
1196:Spider hole
1174:Septic tank
1114:Root cellar
765:Paleoburrow
714:Subterranea
450:Speleothems
363:Exploration
263:Troglofauna
231:Cave survey
209:Main topics
54:Mount Sodom
1672:Categories
1652:Speleology
1645:in fiction
1425:Pellucidar
1267:Kome Caves
917:Balve Cave
861:Pit crater
817:Talus cave
740:Ant colony
586:Kome Caves
550:Stalagnate
545:Stalagmite
540:Stalactite
530:Soda straw
520:Shelfstone
480:Cave pearl
455:Speleogens
420:Talus cave
353:Ley tunnel
280:Speleology
258:Stygofauna
149:2 November
123:2 November
77:References
30:salt karst
1683:Landforms
1568:Cave gate
1440:Underdark
1388:Exemplars
1210:Exemplars
1149:Wine cave
1024:Catacombs
910:Exemplars
807:Show cave
797:Lava tube
792:Lava cave
637:Incidents
564:Dwellings
505:Helictite
500:Frostwork
495:Flowstone
465:Anthodite
438:Waterfall
410:Suffosion
395:Show cave
380:Salt cave
348:Lava cave
296:processes
246:Equipment
26:rock salt
18:salt cave
1181:Stepwell
1169:Sewerage
1079:Hypogeum
1059:Erdstall
1049:Dry well
1029:Casemate
1009:Borehole
999:Basement
871:Sinkhole
802:Pit Cave
787:Ice cave
672:Category
525:Snottite
515:Rimstone
510:Moonmilk
400:Sinkhole
385:Sea cave
370:Pit cave
338:Ice cave
1475:Bergamt
1400:Batcave
1347:Yaodong
1084:Manhole
1074:Foxhole
1039:Dungeon
745:Aquifer
596:Yaodong
470:Boxwork
313:Cave-in
46:Romania
1583:Caving
1505:Grotto
1119:Tunnel
1104:Quarry
1014:Bunker
901:Warren
824:Cenote
782:Grotto
750:Burrow
735:Alcove
405:Spring
318:Cenote
241:Diving
236:Caving
194:topics
119:. IUGS
38:Israel
1678:Karst
1367:Types
1069:Fogou
987:Types
829:Karst
728:Types
433:River
375:Ponor
328:Foiba
270:Karst
253:Fauna
113:(PDF)
42:Spain
20:is a
1144:Well
1089:Mine
849:Nest
772:Cave
453:and
428:Lake
415:Sump
358:Mine
192:Cave
151:2022
125:2022
62:Iran
40:and
34:Iran
22:cave
854:Bee
555:Vug
60:in
1674::
141:.
115:.
94:.
48:.
36:,
16:A
706:e
699:t
692:v
184:e
177:t
170:v
153:.
127:.
98:.
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