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Abyssinia 57, 72, 118; PI. 10 Adigrat Sandstones 72 African Geological

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Abyssinia 57, 72, 118; PI. 10 Adigrat Sandstones 72 African Geological INDEX Abyssinia 57, 72, 118; PI. 10 Borges, A. 14, 16, 21, 40, 74, 146, 165 Adigrat sandstones 72 "Botletle Schichen" (Kalahari) 27 African Geological Surveys (1931) 72 Boutakoff, N. 116, 120, 121, 122, 124, 152, Albert Nyanza: see Lake Albert 165, 166; PI. 8 (115) Albertville, Belgian Congo 86, 102, 121; Pis. Brazil 156; fig. 8 (149) 1, 7 (91), PI. 10 Brazzaville, French Equatorial Africa 65; Amazon Basin 157; flg. 8 (149) Pl. 1 ancient rivers: see Triassic Brien, V. 28, 166 Andrada Post, Angola 36, 56; flgs. 3 (54), Brito Godins, Angola 142, 143; flg. 7 (138) 4 (55) Bulawayo, Southern Rhodesia 28 Andrew, A. R. 137, 165 Bungongo, Belgian Congo 132, 133; Pl. 1 Andrews, C. W. 24, 165 Bushimaie diamond fields 9, 158, 159 Angola 1, 2, 10, 14, 21, 23, 28, 29, 30, 31, 83, Triassie rivers of 57-61, 144, 153; PI. 5 (60) 88, 40, 43, 50, 53, 56, 70, 139-146, 153 Bushimaie region, Belgian Congo 62, 65, 71, 161, 163; flgs. 3 (54), 7 (138); Pi. 1 158, 159 — coastal plain 29 — River, 45, 46, 58, 59, 69, 90, 159; PI. 2 — diamond fields 2, 53; see Kasai-Lunda Bushveld amygdaloid basalts (Transvaal) Antarctic continent 7, 155 74; PI. 9 Aptian 29, 30, 68 — intrusion 159 Arctic regions 118 Busindi Fault, Belgian Congo 109; PI. 7 (91) Argentina 157; fig. 8 (149) Buta, Belgian Congo 122, 133, 135; Pis. 1, 10 arid to semi-arid climate Buttgenbach, H. 82, 83, 166 poorly sorted deposits 5, 11, 29, 47, 48, 50, 54, 57-58, 71, 86, 151, 158, 163 Cabatuquila, Angola 142; flg. 7 (138) silicification 27, 32, 78 Cafefe fault line, Angola 143; fig. 7 (138) Arnot, F. S. 26 "Calcédoine d'Albertville" 36, 95 artifacts 11, 52, 58; flg. 2 (52) Cambier, René 80, 81, 82, 83, 86, 101, 166; Chellean 14, 38 Pl. 6 (81) Mousterian 52 Cambrian, pre- : see pre-Cambrian Aruwimi River, Belgian Congo 180, 132; Pis. Cameron, V. L. 16, 26, 166 1, 10 Camissombo, Angola 14; Pl. 1 Asselberghs, E. 83, 84, 46, 57, 64, 65, 66, 85, Canuet, M. G. 43, 166 86, 158, 165; PI. 6 (81) Cape Province 28, 29, 30, 31, 78, 74, 75, 90 Atlantic Ocean, Land in area now occupied Carboniferous glaciation 154-157; fig. 8 by, 4, 57, 156, 163: see slope (149): see Dwyka Australia 7, 154, 155, 157 Cardiocarpus 81, 124 Avakubi, Belgian Congo 43, 120 Case, E. C. 141, 166 Cassange region, Angola 28, 28, 31, 113, 139- Bailey, T. E. G. 137, 165 146, 158, 168 Ball, S. H. 1, 4, 5, 8, 12, 16, 25, 84, 44, 17, — Plain 21 ; flg. 7 (188) ; Pl. 1 61, 62, 65, 69, 107, 108, 109, 110, 111, 112, 113, 116, 181, 151, 152, 165; Pis. 7 (91), — Stage 189, 140 8 (115) Cassanguide, Angola 56; flg. 3 (54) Bamanga, Belgian Congo 136; PI. 8 (115) Cave Sandstone (South Africa), 73, 74; PI. » Bange Angola 148; flgs. 7 (138) Cavuco, Angola 20, 56; flg. 3 (54) Barnard, G. C. 148, 165 Cayeux, L. 42, 166 Barrell, Joseph 71, 165 chalcedonic silicification 10, 27, 28, 32, 83, Basal Boulder Beds on Zambezi 148 86, 95: see grès polymorphes basement rocks (pre-Cambrian) 11, 19, 39-48, Chora 10, 20, 21, 22, 23, 28, 81, 146; flg. 7 45, 49, 50, 57, 63, 79, 115, 129, 182 (188) depth to, in Congo basin 68-69; PI. 1 Chara-Gastropod silicified limestone 22, 23, Basomela, Belgian Congo 182; PI. 1 31, 146 Bateman, A. M. 26, 42, 165 Chara-Limnaea quartzite of Komgha 28 Batoka basalts (Northern Rhodesia) 27, 28, Charlesville, Belgian Congo 47 ; Pl. 1 74; PI. 9 Chellean artifacts 14, 88 Baummann, 0. 130, 165 Chicapa (Tshikapa) canyon 15, 31, 40; Pis. 3 Beaufort Series or Epoch PI. 9 (16), 4 (17) disastrophism beginning in Lower and — River, Angola 14, 16, 19, 89, 40, 44, 45; extending to end 75-77, 79, 90-91, 93, Pl. 1 104, 110, 112, 122, 135, 147, 163 Chiumbe River, Angola 16, 51, 52, 53, 56; see Stanleyville; Upper Lukuga flg. 3 (54) ; Pl. 1 Bechuanaland 147 Choffat, Paul 21, 166 Beetz, P. F. W. 2, 10, 11, 18, 14, 82, 36, 39, Choubert, B. 42, 166 48, 50, 51, 52, 58, 54, 165; figs. 2 (52), Christiania, University of 8, 119 8 (54), 4 (55) Chutes de Wolff, Belgian Congo 35, 63; Pis. Bene-Tshimanga, Belgian Congo 58, 159; PL 1, 5 (60) 5 (60) Beni, Belgian Congo 126 — Destrain (Kapanga), Belgian Congo 34, Besaire, H. 72, 75, 165 85, 66; PI. 1 Biano (Manika), Plateau of, Belgian Congo — François-Joseph, Belgian Congo 46, 57, 23; Pis. 1, 6 (81) 64, 65, 66, 142, 153; flg. 7 (188); Pl. 1 Binga, Angola 153 — Guillaume, Belgian Congo 64; flg. 7 (138), Black Shales (Lower Lukuga) 106, 125 Pl. 1 fossils 100, 121, 124 — Hedda, Belgian Congo 65; flg. 7 (138); Fundi Sadi region 116, 118 Pl. 1 Kasongo region 98, 99, 107, 110, 111, 125 climate Lowa region 99, 118, 125 end pre-Cambrian 43, 162 Lukuga region 95, 96, 97, 98, 99, 100, 102, Upper Carboniferous 141 103, 104, 105, 108, 109, 125, 126 Lower Lukuga (Dwyka) 43,100, 124,141, Walikale region 121, 125 152, 158, 162 Downloaded from http://pubs.geoscienceworld.org/books/book/chapter-pdf/955323/mem3-bm.pdf by guest on 30 September 2021 178 Evolution of the Congo Basin climate—continued Diener, Carl 3, 4, 168 Permian 141, 162 Dilende River, Belgian Congo 61 ; PI. 5 (60) Middle Lukuga (Ecca) 80-81, 85, 100-101, Dinotherium 24 106 Dixey, F. 71, 72, 74, 76, 79, 91, 137, 168 Triassic 113, 141, 163, 164 Djoka-Punda (Wissman Falls), Belgian Stanleyville (Middle and Upper Beau- Congo 47; Pl. 1 fort) 60, 163 Dondo, Angola 145; Pl. 1 Lubilash (Stormberg) 5, 11, 43, 47, 48, Dondo formation (Cretaceous) 145, 153 60, 70-73, 151, 158, 163 Douville, H. 76, 168 Cretaceous 29, 32-33, 162 Drakensberg basalts (South Africa) 70, 73, Tertiary 75; PI. 9 Oligocene 10, 27, 32, 48 "dry-river" deposits, 11, 48, 50, 52, 53, 54 Miocene 27-28, 162 Du Toit, A. L. 6, 7, 27, 28, 29, 30, 43, 60, 70, Late (Pliocene) 9, 14, 32, 162 72, 73, 74, 75, 76, 77, 79, 96, 101, 124, 147, Pleistocene and Recent 9, 14 150, 154, 155, 156, 168, 174 coal 80-81, 95, 106 Dubois, M. 41, 42 Cole River, Angola 141 ; fig. 7 (138) Dundo, Angola PI. 2 Coleman, A. P. 6, 125, 157, 166 Duruma Sandstone 72 Colobodus 72, 136, 137 Dwyka glacial lake 8, 98-101, 114, 125, 127, Columbia University 1 157, 162 Combe, A. D. 24 Dwyka glaciation, 4-8, 43, 84-85, 126-127, Companhia de Diamantes de Angola ("Dia- 147-157, 162, 164; figs. 7 (138), 8 (149) mang") 1 confusion of, with Kundelungu glaciation, — Pesquisas Mineiras de Angola ("Pema") l 5, 7, 40, 41, 112-113, 151-152 Companhia de Petroleo de Angola l Dwyka Series (Carboniferous) PI. 9 Congo Basin, origin of flora of, in Congo region 96, 100, 121, 123, post-Triassic warping 18, 68, 91, 111 124 mid-Tertiary warping 4, 10, 18, 19, 68, 161 see Lower Lukuga; Black Shales "Congo Basin Beds" (Karroo) 8, 4, 5 Congo gorge 40, 41, 43 East Africa 71-72; PI. 10 "Congo Gulf' 4 East London, South Africa 28, 31 Congo River, name of upper portion 115 Ecca Series (Permian) 83, 91, 100, 102, 103, original drainage basin 24-25, 93, 161 105, 106, 107, 115, 148, 152, 153, 158, 162, slope between Stanleyville and Stanley 163; PI. 9 Pool 17 flora of, in Congo Basin 81, 84-85, 96, 104, Congo-Zambezi flat divide 15-16, 25-26, 161 107 elevation 19, 25-26 Edward Nyanza: see Lake Edward continental drift 7, 157 Egypt 28 Cordaites (Noeggerathiopsis) hislopi 96, 107, Elila River, Belgian Congo 116, 117; Pl. 1, 124 PI. 8 (115) Cornet, Jules 3, 5, 26, 32, 33, 34, 35, 40, 41, Escarpment Grits (Southern Rhodesia) 71, 62, 63, 78, 82, 84, 85, 86, 88, 90, 106, 111, 76, 79, 91; PI. 9 113, 117, 118, 130, 166-167; fig. 5 (89) Estheria 69, 70, 134, 139, 140 Cottreau J. 76, 167 Estheria draperi 70 Cox, L. R. 137, 167 Cretaceous in Angola 29-30, 145, 153 — mangaliensis 70, 140 inland littoral deposits of 66, 143 Estheriella 69, 70, 181, 133, 137, 139, 140 mid-, volcanoes 29 — angolensis 70 Cuale, Angola 144; fig. 7 (138); PI. 1 — greyi 137 Cuale deposits 144-146 — lineata 140 Cuango (Kwango) River, Angola 21, 40, 146; — lualabensis 136, 137 — moutai 140 fig. 7 (138) ; PI. 1 "Etage de Cassange" 139 Cuanza River, Angola 144; PI. 1 "Etage de la Lukuga" 104 Cubango (Okavango), Angola 21 "Etage de Lunda" 139 Cuilo River, Angola 146; PI. 1 Eugnathidae 118 Cuvo River, Angola 153; fig. 8 (149) ; PI. 1 Eurydesma 154-155 Cyclodendron leslii 96, 100 —• mathieui 107 Cypris 10, 20, 21 Farnham, C. Mason 1, 11, 13, 15, 20, 31, 36, Cythere 21 39, 40, 44, 46, 48, 61, 168; fig. 8 (54); Cytheridae 21 Pis. 2, 3 (16), 4 (17) faulting: see infaulting; rift-faulting; up- lift; Pleistocene Darwinula 131, 13E Fayum, Egypt 28 — globosa var. strida 134, 136 fish 4, 20, 70, 105, 117, 118, 127, 131, 133, 134, David, T. W. E. 154, 167 136, 139, 163; fig. 7 (138) Davis, C. W. 42 Folding: see warping de Dorolodot, L. 47, 167 Forest Sandstone (Southern Rhodesia) 28, de Rauw, H.
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