Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 215
The greater diversity of this brachiopod assemblage suggests somewhat deeper water than the Weltevrede Formation assemblage , probably subtidal . The sedimentary facies of the Wagen Drift Formation are interpreted as having formed in a ...
The greater diversity of this brachiopod assemblage suggests somewhat deeper water than the Weltevrede Formation assemblage , probably subtidal . The sedimentary facies of the Wagen Drift Formation are interpreted as having formed in a ...
Page 220
The lowest sandstones were probably deposited by wash - over processes into the. Fig . 4. Top of an upward - coursening sequence in the Weltevrede Formation , Howison's Poort . Fig . 5. Thin upward - fining sequence near the.
The lowest sandstones were probably deposited by wash - over processes into the. Fig . 4. Top of an upward - coursening sequence in the Weltevrede Formation , Howison's Poort . Fig . 5. Thin upward - fining sequence near the.
Page 222
These probably formed in stagnant back - barrier lagoonal or marsh environments ( Fig . 6 ) . A similar detailed facies analysis is not available for the lower part of the Witteberg Group in the Western Cape but Theron ( 1970 ) stated ...
These probably formed in stagnant back - barrier lagoonal or marsh environments ( Fig . 6 ) . A similar detailed facies analysis is not available for the lower part of the Witteberg Group in the Western Cape but Theron ( 1970 ) stated ...
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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 |