17:
25:
147:
region of western Sudan. It is now interpreted to extend into central and eastern Sudan, with a total length of 4,000 km. In the Sudan, the shear zone may have acted as a structural barrier to development of deep
Cretaceous-Tertiary sedimentary basins in the north of the area. Objections to this
518:
363:
Ibrahim, A. E.; Ebinger, C. J.; Fairhead, J. D. (20 April 1996). "Lithospheric extension northwest of the
Central African Shear Zone in Sudan from potential field studies".
107:
to the south. Volcanic activity has occurred along most of the length of the
Cameroon line from 130 Ma to the present, and may be related to re-activation of the CASZ. The
694:
983:
973:
156:
extend northwest beyond one proposed line for the shear zone. However, the alignment of the northwestern ends of the rifts in this areas supports the theory.
659:
943:
669:
1271:
835:
689:
511:
478:
Geological atlas of Africa: with notes on stratigraphy, tectonics, economic geology, geohazards, geosites and geoscientific education of each country
1251:
815:
958:
898:
923:
913:
840:
504:
99:
is a continuation of the shear zone to the west. In
Cameroon, the CASZ cuts across the Adamawa uplift, a post-Cretaeous formation. The
52:. The structure is not well understood. As of 2008, there was still no general agreement about how the individual shears along the
486:
401:
353:
850:
1276:
1236:
1071:
465:
309:"A teleseismic delay time study across the Central African Shear Zone in the Adamawa region of Cameroon, West Africa"
297:
1256:
1266:
80:
periods. Some of the faults in the zone were rejuvenated more than once before and during the opening of the
1246:
1281:
1286:
1241:
1261:
1041:
68:
dates to at least 640 Ma (million years ago). Motion occurred along the zone during the break-up of
128:
1061:
1031:
762:
455:
287:
1076:
1056:
596:
476:
343:
1291:
727:
684:
424:
372:
320:
8:
1200:
1151:
1066:
757:
631:
574:
428:
376:
324:
1215:
1185:
1136:
1131:
948:
737:
674:
616:
437:
412:
333:
308:
104:
1021:
496:
1156:
1116:
1106:
1091:
1046:
1026:
963:
933:
918:
865:
810:
805:
790:
482:
461:
442:
397:
384:
349:
293:
149:
1111:
1086:
1081:
752:
732:
679:
654:
588:
569:
559:
432:
380:
328:
92:
1011:
1180:
1016:
883:
855:
742:
636:
621:
611:
606:
533:
205:
203:
201:
199:
197:
239:
1195:
1146:
1121:
1101:
1003:
978:
800:
747:
722:
717:
712:
413:"Deep lithospheric structure across the Central African Shear Zone in Cameroon"
153:
111:
beneath the CASZ in this area is thinned in a relatively narrow belt, with the
81:
41:
194:
1230:
1141:
1096:
1036:
993:
988:
780:
626:
554:
542:
446:
112:
16:
953:
938:
928:
873:
845:
830:
825:
795:
601:
564:
548:
100:
69:
37:
411:
Plomerova, J; Babuska, V; Dorbath, C.; Dorbath, L.; Lillie, R. J. (1993).
1051:
968:
908:
893:
820:
785:
394:
West
Gondwana: pre-Cenozoic correlations across the South Atlantic Region
172:
170:
168:
108:
24:
1190:
1175:
888:
646:
124:
85:
77:
65:
165:
115:
upwelling from a depth of about 190 km to about 120 km. The
1210:
1205:
1166:
53:
903:
120:
116:
73:
45:
307:
Dorbath, C.; Dorbath, L.; Fairhead, J. D.; Stuart, G. W. (1986).
878:
704:
584:
144:
96:
410:
245:
143:
The CASZ was formerly thought to extend eastward only to the
49:
306:
209:
772:
215:
132:
1126:
227:
20:
Central Africa showing the interpreted extent of the CASZ
526:
182:
362:
263:
176:
251:
1228:
474:
221:
40:system extending in an ENE direction from the
512:
342:Foulger, Gillian R.; Jurdy, Donna M. (2007).
475:Schlüter, Thomas; Trauth, Martin H. (2008).
341:
233:
519:
505:
1272:Geography of the Central African Republic
436:
391:
332:
188:
285:
269:
23:
15:
1252:Geology of the Central African Republic
345:Plates, plumes, and planetary processes
1229:
453:
289:Afro-Arabian geology: a kinematic view
257:
500:
851:West and Central African Rift System
177:Ibrahim, Ebinger & Fairhead 1996
527:Major African geological formations
286:Bowen, Robert; Jux, Ulrich (1987).
13:
438:10.1111/j.1365-246x.1993.tb01193.x
334:10.1111/j.1365-246x.1986.tb00658.x
123:movements have produced elongated
14:
1303:
417:Geophysical Journal International
348:. Geological Society of America.
313:Geophysical Journal International
279:
127:in central Cameroon, northern
91:It has been proposed that the
59:
36:(CASZ) (or Shear System) is a
1:
392:Pankhurst, Robert J. (2008).
159:
385:10.1016/0040-1951(95)00080-1
7:
454:Selley, Richard C. (1997).
103:lies to the north, and the
10:
1308:
665:Central African Shear Zone
222:Schlüter & Trauth 2008
34:Central African Shear Zone
1165:
1042:Central Pangean Mountains
1002:
864:
771:
703:
695:Western Meseta Shear Zone
645:
583:
532:
1277:Geography of South Sudan
1237:Seismic faults of Africa
234:Foulger & Jurdy 2007
138:
129:Central African Republic
28:Rifts in Sudan and Kenya
1257:Geology of South Sudan
1062:Eastern Rift mountains
984:Tanzania Coastal Basin
763:Terra Australis Orogen
396:. Geological Society.
29:
21:
1267:Geography of Cameroon
1077:Great Karas Mountains
1057:Eastern Arc Mountains
597:Arabian-Nubian Shield
246:Plomerova et al. 1993
27:
19:
974:Somali Coastal Basin
685:Mwembeshi Shear Zone
481:. シュプリンガー・ジャパン株式会社.
270:Bowen & Jux 1987
148:theory are that the
1247:Geology of Cameroon
1152:Teffedest Mountains
1067:Ethiopian Highlands
758:Pan-African orogens
728:East African Orogen
660:Broodkop Shear Zone
632:West African Craton
575:Victoria Microplate
429:1993GeoJI.115..381P
377:1996Tectp.255...79I
325:1986GeoJ...86..751D
248:, pp. 381–390.
212:, pp. 751–766.
210:Dorbath et al. 1986
1282:Geography of Sudan
1216:List of inselbergs
1186:Jugurtha Tableland
1137:Sankwala Mountains
1132:Rwenzori Mountains
949:Ouled Abdoun Basin
944:Orange River Basin
866:Sedimentary basins
675:Foumban Shear Zone
617:Saharan Metacraton
105:Foumban Shear Zone
30:
22:
1287:Cretaceous Africa
1242:Geology of Africa
1224:
1223:
1157:Tibesti Mountains
1117:Mitumba Mountains
1107:Mandara Mountains
1092:Imatong Mountains
1047:Chaillu Mountains
1027:Bambouk Mountains
964:Rio del Rey Basin
934:Niger Delta Basin
919:Iullemmeden Basin
811:Gulf of Suez Rift
806:East African Rift
791:Bahr el Arab rift
738:Gondwanide Orogen
670:Chuan Shear Zones
488:978-3-540-76324-6
403:978-1-86239-247-2
355:978-0-8137-2430-0
179:, pp. 79–97.
1299:
1262:Geology of Sudan
1112:Marrah Mountains
1087:Hoggar Mountains
1082:Guinea Highlands
1072:Great Escarpment
836:Sangha Aulacogen
753:Mauritanide Belt
680:Kandi Fault Zone
655:Aswa Dislocation
570:Seychelles Plate
560:Madagascar Plate
521:
514:
507:
498:
497:
492:
471:
450:
440:
407:
388:
371:(s 1-2): 79–97.
359:
338:
336:
303:
273:
267:
261:
255:
249:
243:
237:
231:
225:
219:
213:
207:
192:
186:
180:
174:
93:Pernambuco fault
1307:
1306:
1302:
1301:
1300:
1298:
1297:
1296:
1227:
1226:
1225:
1220:
1181:Mount Gorongosa
1161:
1022:Aurès Mountains
1017:Atlas Mountains
1004:Mountain ranges
998:
884:Blue Nile Basin
860:
856:White Nile rift
767:
733:Eburnean Orogen
699:
690:Todi Shear Zone
641:
637:Zimbabwe Craton
622:Tanzania Craton
612:Kalahari Craton
607:Kaapvaal Craton
579:
528:
525:
495:
489:
468:
404:
356:
300:
282:
276:
272:, pp. 143.
268:
264:
260:, pp. 113.
256:
252:
244:
240:
232:
228:
220:
216:
208:
195:
191:, pp. 404.
187:
183:
175:
166:
162:
154:Blue Nile rifts
141:
62:
12:
11:
5:
1305:
1295:
1294:
1289:
1284:
1279:
1274:
1269:
1264:
1259:
1254:
1249:
1244:
1239:
1222:
1221:
1219:
1218:
1213:
1208:
1203:
1201:Mont Niénokoué
1198:
1196:Mulanje Massif
1193:
1188:
1183:
1178:
1172:
1170:
1163:
1162:
1160:
1159:
1154:
1149:
1147:Serra da Chela
1144:
1139:
1134:
1129:
1124:
1122:Nuba Mountains
1119:
1114:
1109:
1104:
1102:Loma Mountains
1099:
1094:
1089:
1084:
1079:
1074:
1069:
1064:
1059:
1054:
1049:
1044:
1039:
1034:
1032:Blue Mountains
1029:
1024:
1019:
1014:
1008:
1006:
1000:
999:
997:
996:
991:
986:
981:
979:Taoudeni Basin
976:
971:
966:
961:
956:
951:
946:
941:
936:
931:
926:
921:
916:
911:
906:
901:
896:
891:
886:
881:
876:
870:
868:
862:
861:
859:
858:
853:
848:
843:
838:
833:
828:
823:
818:
816:Lamu Embayment
813:
808:
803:
801:Blue Nile rift
798:
793:
788:
783:
777:
775:
769:
768:
766:
765:
760:
755:
750:
745:
743:Kibaran Orogen
740:
735:
730:
725:
720:
718:Cape Fold Belt
715:
709:
707:
701:
700:
698:
697:
692:
687:
682:
677:
672:
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662:
657:
651:
649:
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642:
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634:
629:
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619:
614:
609:
604:
599:
593:
591:
581:
580:
578:
577:
572:
567:
562:
557:
551:
547:Minor plates:
545:
541:Major plates:
538:
536:
530:
529:
524:
523:
516:
509:
501:
494:
493:
487:
472:
466:
457:African basins
451:
423:(2): 381–390.
408:
402:
389:
365:Tectonophysics
360:
354:
339:
319:(3): 751–766.
304:
298:
281:
278:
277:
275:
274:
262:
250:
238:
236:, pp. 16.
226:
224:, pp. 60.
214:
193:
189:Pankhurst 2008
181:
163:
161:
158:
140:
137:
82:South Atlantic
61:
58:
42:Gulf of Guinea
9:
6:
4:
3:
2:
1304:
1293:
1290:
1288:
1285:
1283:
1280:
1278:
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1273:
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1240:
1238:
1235:
1234:
1232:
1217:
1214:
1212:
1209:
1207:
1204:
1202:
1199:
1197:
1194:
1192:
1189:
1187:
1184:
1182:
1179:
1177:
1174:
1173:
1171:
1168:
1164:
1158:
1155:
1153:
1150:
1148:
1145:
1143:
1142:Serra da Leba
1140:
1138:
1135:
1133:
1130:
1128:
1127:Rif Mountains
1125:
1123:
1120:
1118:
1115:
1113:
1110:
1108:
1105:
1103:
1100:
1098:
1097:Jebel Uweinat
1095:
1093:
1090:
1088:
1085:
1083:
1080:
1078:
1075:
1073:
1070:
1068:
1065:
1063:
1060:
1058:
1055:
1053:
1050:
1048:
1045:
1043:
1040:
1038:
1037:Cameroon line
1035:
1033:
1030:
1028:
1025:
1023:
1020:
1018:
1015:
1013:
1012:Aïr Mountains
1010:
1009:
1007:
1005:
1001:
995:
994:Turkana Basin
992:
990:
989:Tindouf Basin
987:
985:
982:
980:
977:
975:
972:
970:
967:
965:
962:
960:
959:Reggane Basin
957:
955:
952:
950:
947:
945:
942:
940:
937:
935:
932:
930:
927:
925:
922:
920:
917:
915:
912:
910:
907:
905:
902:
900:
897:
895:
892:
890:
887:
885:
882:
880:
877:
875:
872:
871:
869:
867:
863:
857:
854:
852:
849:
847:
844:
842:
839:
837:
834:
832:
829:
827:
824:
822:
819:
817:
814:
812:
809:
807:
804:
802:
799:
797:
794:
792:
789:
787:
784:
782:
781:Afar Triangle
779:
778:
776:
774:
770:
764:
761:
759:
756:
754:
751:
749:
748:Kuunga Orogen
746:
744:
741:
739:
736:
734:
731:
729:
726:
724:
723:Damara Orogen
721:
719:
716:
714:
713:Alpine Orogen
711:
710:
708:
706:
702:
696:
693:
691:
688:
686:
683:
681:
678:
676:
673:
671:
668:
666:
663:
661:
658:
656:
653:
652:
650:
648:
644:
638:
635:
633:
630:
628:
627:Tuareg Shield
625:
623:
620:
618:
615:
613:
610:
608:
605:
603:
600:
598:
595:
594:
592:
590:
586:
582:
576:
573:
571:
568:
566:
563:
561:
558:
556:
555:Lwandle Plate
553:Microplates:
552:
550:
546:
544:
543:African Plate
540:
539:
537:
535:
531:
522:
517:
515:
510:
508:
503:
502:
499:
490:
484:
480:
479:
473:
469:
467:0-444-82571-1
463:
459:
458:
452:
448:
444:
439:
434:
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426:
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366:
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326:
322:
318:
314:
310:
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301:
299:0-412-29700-0
295:
291:
290:
284:
283:
280:Sources books
271:
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259:
254:
247:
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235:
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202:
200:
198:
190:
185:
178:
173:
171:
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164:
157:
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136:
134:
131:and southern
130:
126:
122:
118:
114:
113:asthenosphere
110:
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98:
94:
89:
87:
83:
79:
75:
71:
67:
57:
55:
51:
47:
43:
39:
35:
26:
18:
1169:(aka koppie)
954:Owambo Basin
939:Ogaden Basin
929:Murzuq Basin
899:Douala Basin
874:Angola Basin
846:Urema Valley
831:Red Sea Rift
826:Muglad Basin
796:Benue Trough
664:
602:Congo Craton
565:Rovuma Plate
549:Somali Plate
477:
460:. Elsevier.
456:
420:
416:
393:
368:
364:
344:
316:
312:
292:. Springer.
288:
265:
253:
241:
229:
217:
184:
150:Bahr el Arab
142:
101:Benue Trough
90:
70:Gondwanaland
63:
38:wrench fault
33:
31:
1292:Shear zones
1052:Drakensberg
969:Sirte Basin
924:Kufra Basin
914:Gabon Basin
909:Karoo Basin
894:Congo Basin
841:Atbara rift
821:Melut Basin
786:Anza trough
647:Shear zones
258:Selley 1997
125:rift basins
109:lithosphere
60:Description
1231:Categories
1191:Mount Mabu
1176:Anti-Atlas
1167:Inselbergs
889:Chad Basin
160:References
86:Cretaceous
78:Cretaceous
66:shear zone
1211:Zuma Rock
1206:Wase Rock
447:0956-540X
56:link up.
54:lineament
904:El Djouf
121:Tertiary
117:Mesozoic
88:period.
74:Jurassic
46:Cameroon
44:through
705:Orogens
589:shields
585:Cratons
425:Bibcode
373:Bibcode
321:Bibcode
84:in the
72:in the
879:Aoukar
534:Plates
485:
464:
445:
400:
352:
296:
145:Darfur
97:Brazil
773:Rifts
139:Sudan
50:Sudan
48:into
587:and
483:ISBN
462:ISBN
443:ISSN
398:ISBN
350:ISBN
294:ISBN
152:and
133:Chad
119:and
76:and
64:The
32:The
433:doi
421:115
381:doi
369:255
329:doi
95:in
1233::
441:.
431:.
419:.
415:.
379:.
367:.
327:.
317:86
315:.
311:.
196:^
167:^
135:.
520:e
513:t
506:v
491:.
470:.
449:.
435::
427::
406:.
387:.
383::
375::
358:.
337:.
331::
323::
302:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
