Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1990 - Natural history |
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Page 216
... lower Witteberg Group in the Willowmore district . Loock ( 1967 ) reported the discovery of a ' Chonetes ' ( brachiopod ) in sandstones in the lower divisions of the Witteberg Group near Robertson . Hiller & Dunlevey ( 1978 ) recorded ...
... lower Witteberg Group in the Willowmore district . Loock ( 1967 ) reported the discovery of a ' Chonetes ' ( brachiopod ) in sandstones in the lower divisions of the Witteberg Group near Robertson . Hiller & Dunlevey ( 1978 ) recorded ...
Page 217
... lower , Nougaspoort Member , consists of dirty white , red - weathering , unevenly bedded , quartz arenites ... lower part of the Witteberg Group in the Eastern and Western Cape . has yielded marine invertebrate fossils from three ...
... lower , Nougaspoort Member , consists of dirty white , red - weathering , unevenly bedded , quartz arenites ... lower part of the Witteberg Group in the Eastern and Western Cape . has yielded marine invertebrate fossils from three ...
Page 228
... Lower Carboniferous age , whereas Stapleton ( 1977a , 1977b ) used spores from the same horizon to deter- mine a Middle or Upper Devonian ( Givetian - Frasnian ) age . Witteberg plant macrofossils suggested a late Devonian age to ...
... Lower Carboniferous age , whereas Stapleton ( 1977a , 1977b ) used spores from the same horizon to deter- mine a Middle or Upper Devonian ( Givetian - Frasnian ) age . Witteberg plant macrofossils suggested a late Devonian age to ...
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Common terms and phrases
abbreviated AFRICA articulate brachiopods barrier islands benthic assemblages BENTHIC COMMUNITIES bicuspidata Gould bivalves bivalves and possible Blinkberg Formation Bokkeveld Group Boucot British Museum Natural carbonaceous shales Chonetes Chonetid Community comma cross-bedded deeper-water subtidal conditions delta deposited Devonian rocks environmental External mould facies analysis Falkland Islands fauna Formation near Touws Frasnian gastropod genus Givetian Grahamstown high-diversity holotype homalonotid trilobite horizontal lamination Howison's Poort inarticulate infaunal interpreted Leda Lingula lepta LOWER WITTEBERG GROUP Museum Natural History namacolus Orbiculoidea overlain paratypes parentheses pedicle valve punctuation salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline shouldered italics siltstone and shale Silurian and Devonian SOUTH AFRICAN MUSEUM specimens Spiriferid Community Stratigraphic subheadings are shouldered suspension feeders SWARTRUGGENS FORMATION Synonymy Tankard & Barwis taxa Theron thin tidal tidal-flat Touws River trace fossils Trigonoglossa Tropidoleptus sp Upper Devonian upward-fining cycles Wagen Drift Formation wash-over Weltevrede Formation Western Cape Witpoort Formation yielded marine invertebrate