Annals of the South African Museum, Volume 99, Issue 7West, Newman & Company for the trustees of the Museum, 1990 - Natural history |
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Page 220
The major erosion surface marks the end of the constructional phase of delta out-
building and the remaining sediments of the Weltevrede Formation were
deposited during a destructional phase. This involved transgressive marine
reworking ...
The major erosion surface marks the end of the constructional phase of delta out-
building and the remaining sediments of the Weltevrede Formation were
deposited during a destructional phase. This involved transgressive marine
reworking ...
Page 221
stones were probably deposited by wash-over processes into the tidal-flat area.
Reinson (1984) has noted that wash-over is one of the main processes by which
barrier islands migrate landward and that scouring associated with wash-over is
...
stones were probably deposited by wash-over processes into the tidal-flat area.
Reinson (1984) has noted that wash-over is one of the main processes by which
barrier islands migrate landward and that scouring associated with wash-over is
...
Page 228
The shales at the top of the Weltevrede Formation at Howison's Poort are thought
to have been deposited in intertidal flats established during transgressive
reworking of an abandoned delta lobe. The Wagen Drift Formation is taken to ...
The shales at the top of the Weltevrede Formation at Howison's Poort are thought
to have been deposited in intertidal flats established during transgressive
reworking of an abandoned delta lobe. The Wagen Drift Formation is taken to ...
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Common terms and phrases
abbreviated articulate brachiopods Australospirifer barrier islands benthic assemblages BENTHIC COMMUNITIES Blinkberg Formation Bokkeveld Group Boucot British Museum Natural bryozoa Chonetes COMMUNITIES AND SEDIMENTARY 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 orbiculoid and linguloid Orbiculoidea overlain paratypes parentheses pedicle valve Plectonotus sp possible bryozoa punctuation salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline shouldered italics siltstone and shale Silurian and Devonian South African Museum specimens Stratigraphic STRATIGRAPHY suspension feeders SWARTRUGGENS FORMATION Tankard & Barwis taxa Theron thin tidal tidal-flat Touws River trace fossils Trigonoglossa Tropidoleptus sp Upper Devonian valve of Lingula valve of Tropidoleptus Wagen Drift Formation wash-over Weltevrede Formation Western Cape Witpoort Formation Witteberg Group represent yielded marine invertebrate
Bibliographic information
| Title | Annals of the South African Museum, Volume 99, Issue 7 Annals of the South African Museum, South African Museum |
| Contributor | 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 |