Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 218
... which have been interpreted as being the deposits of arcuate deltas subject to marine reworking similar to the present - day Brazos River delta of Texas and the São Francisco delta of Brazil ( Tankard & Barwis 1982 ) .
... which have been interpreted as being the deposits of arcuate deltas subject to marine reworking similar to the present - day Brazos River delta of Texas and the São Francisco delta of Brazil ( Tankard & Barwis 1982 ) .
Page 222
those described from various modern environments ( e.g. Kumar & Sanders 1974 ; Hubbard & Barwis 1976 ; Reddering 1983 ) . The quartz arenite sequence is interrupted by the development of thin ( 1 m thick ) dark grey to black ...
those described from various modern environments ( e.g. Kumar & Sanders 1974 ; Hubbard & Barwis 1976 ; Reddering 1983 ) . The quartz arenite sequence is interrupted by the development of thin ( 1 m thick ) dark grey to black ...
Page 230
TANKARD , A. J. & BARWIS , J. H. 1982. Wave - dominated deltaic sedimentation in the Devonian Bokkeveld basin of South Africa . Journal of Sedimentary Petrology 52 ( 3 ) : 959–974 . TANKARD , A. J. , JACKSON , M. P. A. , ERIKSSON ...
TANKARD , A. J. & BARWIS , J. H. 1982. Wave - dominated deltaic sedimentation in the Devonian Bokkeveld basin of South Africa . Journal of Sedimentary Petrology 52 ( 3 ) : 959–974 . TANKARD , A. J. , JACKSON , M. P. A. , ERIKSSON ...
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Common terms and phrases
abbreviated AFRICA articulate brachiopods barrier islands basal Witteberg beds benthic assemblages BENTHIC COMMUNITIES Blinkberg Formation Bokkeveld Group Boucot British Museum Natural carbonaceous shales Chonetes comma cross-bedded delta deposited Devonian rocks environmental External mould facies analysis Falkland Islands fauna 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 Orbiculoidea overlain paratypes parentheses pedicle valve Plectonotus sp punctuation quartz arenite unit registration number ripple cross-laminated sandstone Roman numerals salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline siltstone and shale Silurian and Devonian SOUTH AFRICAN MUSEUM specimens Spiriferid 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 vicinity of Touws volume number Wagen Drift Formation wash-over WELTEVREDE FORMATION Fig Western Cape yielded marine invertebrate