Annals of the South African Museum, Volume 101, Issue 2 |
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Page 9
A number of enigmatic traces occur on bedding surfaces . Three trace fossil
associations are recognized in the Sardinia Bay Formation . Two of these
correspond broadly with the Cruziana and Skolithos ichnofacies models of
Seilacher ( 1967 ) ...
A number of enigmatic traces occur on bedding surfaces . Three trace fossil
associations are recognized in the Sardinia Bay Formation . Two of these
correspond broadly with the Cruziana and Skolithos ichnofacies models of
Seilacher ( 1967 ) ...
Page 15
Irregular U - tubes up to 2 cm in diameter , with the limbs of the tube up to 7 cm
apart , occur 48 m from the base of the Sardinia Bay Formation . Spreiten can be
discerned between the limbs of one U - tube ( Fig . 7 ) . spreiten 10 cm Fig . 6.
Irregular U - tubes up to 2 cm in diameter , with the limbs of the tube up to 7 cm
apart , occur 48 m from the base of the Sardinia Bay Formation . Spreiten can be
discerned between the limbs of one U - tube ( Fig . 7 ) . spreiten 10 cm Fig . 6.
Page 18
... of Fucusopsis ( Upper Ordovician - Tertiary - Häntzschel 1975 : W64 ) but the
dichotomous branching and vertical tunnel sections weigh heavily in favour of
Chondrites as the probable ichnogenus . Chondrites is known to occur in strata
from ...
... of Fucusopsis ( Upper Ordovician - Tertiary - Häntzschel 1975 : W64 ) but the
dichotomous branching and vertical tunnel sections weigh heavily in favour of
Chondrites as the probable ichnogenus . Chondrites is known to occur in strata
from ...
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Common terms and phrases
abbreviated animals anoxic appear areas author's name authors base bedding surface bioturbated branching burrows Cape capital Chondrites circulation cm Fig colonization contain correlation Cruziana Cruziana ichnofacies model dark pyritic deposited depositional environment described Description designated diameter Diplocraterion energy environment epeiric sea example facies Fascifodina Figure follow formed Frey & Pemberton Häntzschel 1975 horizontal hypersaline conditions illustrations indicate individual Interpretation interval italics known letters lining marking MUD AND SAND mudrock Note occur Ophiomorpha organisms origin parentheses Pemberton 1984 Photograph Planolites possible probably punctuation pyritic range reduction references represent resemble response restricted rocks rounded SAND sand-filled tubes sandstone Sardinia Bay Formation sediment sediment-dwelling sedimentary structures separates shafts Shone showing similar Skolithos Skolithos ichnofacies Smith SOUTH AFRICAN MUSEUM species Spreiten strata substrate suggest Table Table Mountain Group Thalassinoides tidal currents trace fossil association typical U-tube units Upper vermiform vertical wave weathering
Bibliographic information
| Title | Annals of the South African Museum, Volume 101, Issue 2 Annals of the South African Museum, South African Museum |
| Author | South African Museum |
| Publisher | West, Newman & Company for the trustees of the Museum, 1991 |
| Original from | the University of California |
| Digitized | 20 Jul 2016 |
| ISBN | 0868131229, 9780868131221 |
| Export Citation | BiBTeX EndNote RefMan |