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Iullemmeden Basin

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times, while steadily filling with sediment. Two prominent fault trends run NNE-SSW through the center of the basin, while WSW-ENE faults trends are found in the northeast of the basin near the
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times are 1,500 to 2,000 metres (4,900 to 6,600 ft) thick, with alternating layers formed when the basin was undersea and above sea level. Potentially valuable minerals include
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de Lapparent de Broin, 2002 from the Lower–Upper Cretaceous boundary of Niger: potential evidence for an early origin of the clade Dyrosauridae",
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Young, Mark T.; Hastings, Alexander K.; Allain, Ronan; Smith, Thomas J. (2017), "Revision of the enigmatic crocodyliform
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who live in the central region of Niger. Its geographic range is largely coincident with the
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The area of the Iullemmeden Basin seems to have started to subside in
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1,000 km × 800 km (620 mi × 500 mi)
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times, and to have experienced gradual downwarping during the
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deposits. Niger is one of the world's largest producers of
1478: 1315: 1177: 1084: 1016: 958: 896: 845: 300: 284: 272: 260: 248: 243: 233: 228: 220: 209: 201: 196: 130: 120: 110: 100: 61: 18: 436:List of fossiliferous stratigraphic units in Niger 725: 723: 825: 8: 653: 651: 832: 818: 810: 50: 773:Zoological Journal of the Linnean Society 702:. NWT Uranium Corporation. Archived from 334:) is a major sub-Saharan inland basin in 36: 313: 647: 793:"ICONS atlas: AFR - Iullemmeden Basin" 15: 697:"URANIUM GEOLOGY: NIGER, WEST AFRICA" 7: 1164:West and Central African Rift System 840:Major African geological formations 430:Formations of the Iullemmeden Basin 753:(in French). Karthala. p. 228 14: 751:Milieux, sociétés et archéologues 306: 56:Location of the Iullemmeden Basin 611: 183: 171: 159: 147: 135: 35: 28: 1: 1550:Sedimentary basins of Africa 1616: 978:Central African Shear Zone 666:. Elsevier. p. 89ff. 658:Richard C. Selley (1997). 433: 1355:Central Pangean Mountains 1008:Western Meseta Shear Zone 729:Young et al., 2017, p.379 49: 23: 742:Paris, François (1995). 354:. It is named after the 660:"The Iullemmeden Basin" 477:Farin Doutchi Formation 1375:Eastern Rift mountains 1297:Tanzania Coastal Basin 1076:Terra Australis Orogen 597:Izégouandane Formation 319: 1390:Great Karas Mountains 1370:Eastern Arc Mountains 910:Arabian-Nubian Shield 565:Tchirezrine Formation 317: 1570:Landforms of Nigeria 1555:Landforms of Algeria 1287:Somali Coastal Basin 998:Mwembeshi Shear Zone 482:In Beceten Formation 447:Kalambaina Formation 1465:Teffedest Mountains 1380:Ethiopian Highlands 1071:Pan-African orogens 1041:East African Orogen 973:Broodkop Shear Zone 945:West African Craton 888:Victoria Microplate 531:Tiourarén Formation 398:The sediments from 318:West African basins 255:Intercratonic basin 81: /  1595:Geology of Nigeria 1580:Geology of Algeria 1575:Landforms of Benin 1565:Landforms of Niger 1529:List of inselbergs 1499:Jugurtha Tableland 1450:Sankwala Mountains 1445:Rwenzori Mountains 1262:Ouled Abdoun Basin 1257:Orange River Basin 1179:Sedimentary basins 988:Foumban Shear Zone 930:Saharan Metacraton 587:Tamamait Formation 577:Izégouandane Group 560:Assaouas Formation 548:Tagrezou Sandstone 494:Alanlara Formation 489:Zoo Baba Formation 462:Dukamaje Formation 358:, a federation of 320: 1560:Landforms of Mali 1537: 1536: 1470:Tibesti Mountains 1430:Mitumba Mountains 1420:Mandara Mountains 1405:Imatong Mountains 1360:Chaillu Mountains 1340:Bambouk Mountains 1277:Rio del Rey Basin 1247:Niger Delta Basin 1232:Iullemmeden Basin 1124:Gulf of Suez Rift 1119:East African Rift 1104:Bahr el Arab rift 1051:Gondwanide Orogen 983:Chuan Shear Zones 632:Niger Delta Basin 324:Iullemmeden Basin 312: 311: 19:Iullemmeden Basin 1607: 1600:Geology of Benin 1590:Geology of Niger 1425:Marrah Mountains 1400:Hoggar Mountains 1395:Guinea Highlands 1385:Great Escarpment 1149:Sangha Aulacogen 1066:Mauritanide Belt 993:Kandi Fault Zone 968:Aswa Dislocation 883:Seychelles Plate 873:Madagascar Plate 834: 827: 820: 811: 806: 804: 803: 781: 768:Elosuchus felixi 762: 760: 758: 748: 730: 727: 718: 717: 715: 714: 708: 701: 693: 687: 684: 678: 677: 655: 621: 616: 615: 582:Moradi Formation 570:Teloua Formation 519:Tazolé Formation 514:Elrhaz Formation 509:Echkar Formation 457:Taloka Formation 442:Gwandu Formation 189: 187: 186: 177: 175: 174: 165: 163: 162: 153: 151: 150: 141: 139: 138: 96: 95: 93: 92: 91: 86: 82: 79: 78: 77: 74: 54: 39: 38: 32: 16: 1615: 1614: 1610: 1609: 1608: 1606: 1605: 1604: 1585:Geology of Mali 1540: 1539: 1538: 1533: 1494:Mount Gorongosa 1474: 1335:Aurès Mountains 1330:Atlas Mountains 1317:Mountain ranges 1311: 1197:Blue Nile Basin 1173: 1169:White Nile rift 1080: 1046:Eburnean Orogen 1012: 1003:Todi Shear Zone 954: 950:Zimbabwe Craton 935:Tanzania Craton 925:Kalahari Craton 920:Kaapvaal Craton 892: 841: 838: 801: 799: 791: 788: 786:Further reading 765: 756: 754: 746: 741: 738: 733: 728: 721: 712: 710: 706: 699: 695: 694: 690: 685: 681: 674: 657: 656: 649: 645: 617: 610: 607: 592:Tejia Formation 504:Farak Formation 452:Wurno Formation 438: 432: 396: 380:Late Cretaceous 372: 328:Berber language 197:Characteristics 184: 182: 181: 172: 170: 169: 160: 158: 157: 148: 146: 145: 136: 134: 89: 87: 83: 80: 75: 72: 70: 68: 67: 57: 45: 44: 43: 42: 41: 40: 12: 11: 5: 1613: 1611: 1603: 1602: 1597: 1592: 1587: 1582: 1577: 1572: 1567: 1562: 1557: 1552: 1542: 1541: 1535: 1534: 1532: 1531: 1526: 1521: 1516: 1514:Mont Niénokoué 1511: 1509:Mulanje Massif 1506: 1501: 1496: 1491: 1485: 1483: 1476: 1475: 1473: 1472: 1467: 1462: 1460:Serra da Chela 1457: 1452: 1447: 1442: 1437: 1435:Nuba Mountains 1432: 1427: 1422: 1417: 1415:Loma Mountains 1412: 1407: 1402: 1397: 1392: 1387: 1382: 1377: 1372: 1367: 1362: 1357: 1352: 1347: 1345:Blue Mountains 1342: 1337: 1332: 1327: 1321: 1319: 1313: 1312: 1310: 1309: 1304: 1299: 1294: 1292:Taoudeni Basin 1289: 1284: 1279: 1274: 1269: 1264: 1259: 1254: 1249: 1244: 1239: 1234: 1229: 1224: 1219: 1214: 1209: 1204: 1199: 1194: 1189: 1183: 1181: 1175: 1174: 1172: 1171: 1166: 1161: 1156: 1151: 1146: 1141: 1136: 1131: 1129:Lamu Embayment 1126: 1121: 1116: 1114:Blue Nile rift 1111: 1106: 1101: 1096: 1090: 1088: 1082: 1081: 1079: 1078: 1073: 1068: 1063: 1058: 1056:Kibaran Orogen 1053: 1048: 1043: 1038: 1033: 1031:Cape Fold Belt 1028: 1022: 1020: 1014: 1013: 1011: 1010: 1005: 1000: 995: 990: 985: 980: 975: 970: 964: 962: 956: 955: 953: 952: 947: 942: 937: 932: 927: 922: 917: 912: 906: 904: 894: 893: 891: 890: 885: 880: 875: 870: 864: 860:Minor plates: 858: 854:Major plates: 851: 849: 843: 842: 839: 837: 836: 829: 822: 814: 808: 807: 787: 784: 783: 782: 763: 737: 734: 732: 731: 719: 688: 679: 672: 664:African basins 646: 644: 641: 640: 639: 637:Taoudeni Basin 634: 629: 623: 622: 619:Geology portal 606: 603: 602: 601: 600: 599: 594: 589: 584: 574: 573: 572: 567: 562: 552: 551: 550: 540: 539: 538: 533: 526:Ilrhazer Group 523: 522: 521: 516: 511: 506: 496: 491: 486: 485: 484: 479: 469: 464: 459: 454: 449: 444: 431: 428: 395: 392: 376:Permo-Triassic 371: 368: 310: 309: 304: 298: 297: 291:Permo-Triassic 288: 282: 281: 276: 270: 269: 264: 258: 257: 252: 246: 245: 241: 240: 235: 231: 230: 226: 225: 222: 218: 217: 211: 207: 206: 203: 199: 198: 194: 193: 132: 128: 127: 122: 118: 117: 112: 108: 107: 102: 98: 97: 65: 59: 58: 55: 47: 46: 34: 33: 27: 26: 25: 24: 21: 20: 13: 10: 9: 6: 4: 3: 2: 1612: 1601: 1598: 1596: 1593: 1591: 1588: 1586: 1583: 1581: 1578: 1576: 1573: 1571: 1568: 1566: 1563: 1561: 1558: 1556: 1553: 1551: 1548: 1547: 1545: 1530: 1527: 1525: 1522: 1520: 1517: 1515: 1512: 1510: 1507: 1505: 1502: 1500: 1497: 1495: 1492: 1490: 1487: 1486: 1484: 1481: 1477: 1471: 1468: 1466: 1463: 1461: 1458: 1456: 1455:Serra da Leba 1453: 1451: 1448: 1446: 1443: 1441: 1440:Rif Mountains 1438: 1436: 1433: 1431: 1428: 1426: 1423: 1421: 1418: 1416: 1413: 1411: 1410:Jebel Uweinat 1408: 1406: 1403: 1401: 1398: 1396: 1393: 1391: 1388: 1386: 1383: 1381: 1378: 1376: 1373: 1371: 1368: 1366: 1363: 1361: 1358: 1356: 1353: 1351: 1350:Cameroon line 1348: 1346: 1343: 1341: 1338: 1336: 1333: 1331: 1328: 1326: 1325:Aïr Mountains 1323: 1322: 1320: 1318: 1314: 1308: 1307:Turkana Basin 1305: 1303: 1302:Tindouf Basin 1300: 1298: 1295: 1293: 1290: 1288: 1285: 1283: 1280: 1278: 1275: 1273: 1272:Reggane Basin 1270: 1268: 1265: 1263: 1260: 1258: 1255: 1253: 1250: 1248: 1245: 1243: 1240: 1238: 1235: 1233: 1230: 1228: 1225: 1223: 1220: 1218: 1215: 1213: 1210: 1208: 1205: 1203: 1200: 1198: 1195: 1193: 1190: 1188: 1185: 1184: 1182: 1180: 1176: 1170: 1167: 1165: 1162: 1160: 1157: 1155: 1152: 1150: 1147: 1145: 1142: 1140: 1137: 1135: 1132: 1130: 1127: 1125: 1122: 1120: 1117: 1115: 1112: 1110: 1107: 1105: 1102: 1100: 1097: 1095: 1094:Afar Triangle 1092: 1091: 1089: 1087: 1083: 1077: 1074: 1072: 1069: 1067: 1064: 1062: 1061:Kuunga Orogen 1059: 1057: 1054: 1052: 1049: 1047: 1044: 1042: 1039: 1037: 1036:Damara Orogen 1034: 1032: 1029: 1027: 1026:Alpine Orogen 1024: 1023: 1021: 1019: 1015: 1009: 1006: 1004: 1001: 999: 996: 994: 991: 989: 986: 984: 981: 979: 976: 974: 971: 969: 966: 965: 963: 961: 957: 951: 948: 946: 943: 941: 940:Tuareg Shield 938: 936: 933: 931: 928: 926: 923: 921: 918: 916: 913: 911: 908: 907: 905: 903: 899: 895: 889: 886: 884: 881: 879: 876: 874: 871: 869: 868:Lwandle Plate 866:Microplates: 865: 863: 859: 857: 856:African Plate 853: 852: 850: 848: 844: 835: 830: 828: 823: 821: 816: 815: 812: 798: 794: 790: 789: 785: 779: 775: 774: 769: 764: 752: 745: 740: 739: 735: 726: 724: 720: 709:on 2011-07-14 705: 698: 692: 689: 683: 680: 675: 673:0-444-82571-1 669: 665: 661: 654: 652: 648: 642: 638: 635: 633: 630: 628: 625: 624: 620: 614: 609: 604: 598: 595: 593: 590: 588: 585: 583: 580: 579: 578: 575: 571: 568: 566: 563: 561: 558: 557: 556: 553: 549: 546: 545: 544: 543:Téfidet Group 541: 537: 536:Irhazer Shale 534: 532: 529: 528: 527: 524: 520: 517: 515: 512: 510: 507: 505: 502: 501: 500: 497: 495: 492: 490: 487: 483: 480: 478: 475: 474: 473: 470: 468: 467:Igdaman Group 465: 463: 460: 458: 455: 453: 450: 448: 445: 443: 440: 439: 437: 429: 427: 425: 421: 417: 413: 409: 405: 401: 393: 391: 389: 388:Aïr Mountains 385: 381: 377: 369: 367: 365: 361: 360:Tuareg people 357: 353: 349: 345: 342:and parts of 341: 337: 333: 332:Iwellemmedden 329: 325: 316: 308: 305: 303: 299: 296: 292: 289: 287: 283: 280: 277: 275: 271: 268: 265: 263: 259: 256: 253: 251: 247: 242: 239: 236: 232: 227: 223: 219: 215: 214:Aïr Mountains 212: 208: 204: 200: 195: 192: 180: 168: 156: 144: 133: 129: 126: 123: 119: 116: 113: 109: 106: 103: 99: 94: 66: 64: 60: 53: 48: 31: 22: 17: 1482:(aka koppie) 1267:Owambo Basin 1252:Ogaden Basin 1242:Murzuq Basin 1231: 1212:Douala Basin 1187:Angola Basin 1159:Urema Valley 1144:Red Sea Rift 1139:Muglad Basin 1109:Benue Trough 915:Congo Craton 878:Rovuma Plate 862:Somali Plate 800:. Retrieved 796: 777: 771: 767: 755:. Retrieved 750: 736:Bibliography 711:. Retrieved 704:the original 691: 682: 663: 555:Agadez Group 499:Tegama Group 472:Majias Group 397: 394:Stratigraphy 373: 331: 323: 321: 307:Stratigraphy 302:Stratigraphy 85:17.9°N 5.6°E 1365:Drakensberg 1282:Sirte Basin 1237:Kufra Basin 1227:Gabon Basin 1222:Karoo Basin 1207:Congo Basin 1154:Atbara rift 1134:Melut Basin 1099:Anza trough 960:Shear zones 686:Paris, 1995 404:Pleistocene 370:Description 356:Iullemmeden 336:West Africa 295:Pleistocene 279:Pan-African 238:Niger River 202:On/Offshore 105:Iullemmeden 88: / 63:Coordinates 1544:Categories 1504:Mount Mabu 1489:Anti-Atlas 1480:Inselbergs 1202:Chad Basin 802:2010-12-18 797:Earth Byte 713:2010-12-18 643:References 627:Chad Basin 434:See also: 250:Basin type 210:Boundaries 1524:Zuma Rock 1519:Wase Rock 780:: 377–403 414:ores and 384:Paleogene 229:Hydrology 101:Etymology 90:17.9; 5.6 1217:El Djouf 605:See also 400:Cambrian 366:region. 234:River(s) 111:Location 1018:Orogens 902:shields 898:Cratons 757:3 April 424:uranium 408:uranium 364:Azawagh 352:Nigeria 344:Algeria 274:Orogeny 267:African 244:Geology 205:Onshore 191:Nigeria 143:Algeria 131:Country 125:Azawagh 73:17°54′N 1192:Aoukar 847:Plates 670:  412:copper 188:  176:  164:  152:  140:  121:Region 115:Africa 76:5°36′E 1086:Rifts 747:(PDF) 707:(PDF) 700:(PDF) 340:Niger 262:Plate 179:Niger 155:Benin 900:and 759:2012 668:ISBN 420:salt 418:and 416:coal 410:and 350:and 348:Mali 322:The 221:Area 216:(NE) 167:Mali 778:179 402:to 382:to 286:Age 1546:: 795:. 776:, 749:. 722:^ 662:. 650:^ 426:. 390:. 346:, 330:: 833:e 826:t 819:v 805:. 761:. 716:. 676:. 326:( 293:-

Index

Map showing the location of Iullemmeden Basin

Coordinates
17°54′N 5°36′E / 17.9°N 5.6°E / 17.9; 5.6
Iullemmeden
Africa
Azawagh
Algeria
Benin
Mali
Niger
Nigeria
Aïr Mountains
Niger River
Basin type
Intercratonic basin
Plate
African
Orogeny
Pan-African
Age
Permo-Triassic
Pleistocene
Stratigraphy
Stratigraphy

Berber language
West Africa
Niger
Algeria

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