Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 218
The lithofacies are relatively sandy and similar to those of the Bokkeveld Group , 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 ...
The lithofacies are relatively sandy and similar to those of the Bokkeveld Group , 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 ...
Page 222
A similar detailed facies analysis is not available for the lower part of the Witteberg Group in the Western Cape but Theron ( 1970 ) stated that the basal Witteberg beds are part of a regressive cycle that follows directly on from ...
A similar detailed facies analysis is not available for the lower part of the Witteberg Group in the Western Cape but Theron ( 1970 ) stated that the basal Witteberg beds are part of a regressive cycle that follows directly on from ...
Page 228
( 1983 ) discussed these various age determinations and used the presence of the brachiopod Tropidoleptus , a genus that apparently does not occur in similar facies in the underlying Bokkeveld Group , to suggest a Givetian or Frasnian ...
( 1983 ) discussed these various age determinations and used the presence of the brachiopod Tropidoleptus , a genus that apparently does not occur in similar facies in the underlying Bokkeveld Group , to suggest a Givetian or Frasnian ...
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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
Bibliographic information
| Title | Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum Volume 99, Issue 7 of Annals of the South African Museum, South African Museum |
| Author | South African Museum |
| Publisher | West, Newman & Company for the trustees of the Museum, 1990 |
| Original from | the University of California |
| Digitized | 21 Jul 2016 |
| ISBN | 086813113X, 9780868131139 |
| Export Citation | BiBTeX EndNote RefMan |