Annals of the South African Museum, Volume 101, Issue 2 |
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Page 14
Burrow diameters range from 2 to 10 cm and individual shaft sections are up to
50 cm long . Inclined shafts may run parallel to foreset surfaces in the cross -
bedded sandstone . Interpretation The sub - horizontal branching burrow systems
...
Burrow diameters range from 2 to 10 cm and individual shaft sections are up to
50 cm long . Inclined shafts may run parallel to foreset surfaces in the cross -
bedded sandstone . Interpretation The sub - horizontal branching burrow systems
...
Page 16
Interpretation The vermiform traces described above resemble lower parts of the
ichnogenus Fascifodina , the upper parts of which , including the master - shaft ,
have been removed by erosion ( cf. Häntzschel 1975 : W63 , fig . 3 ) . Fascifodina
...
Interpretation The vermiform traces described above resemble lower parts of the
ichnogenus Fascifodina , the upper parts of which , including the master - shaft ,
have been removed by erosion ( cf. Häntzschel 1975 : W63 , fig . 3 ) . Fascifodina
...
Page 21
SKOLITHOS ICHNOFACIES The Skolithos ichnofacies model described by
Seilacher ( 1967 ) and Frey & Pemberton ( 1984 : 198–199 ) is typified by the
presence of burrows with reinforced wall linings and a predominance of vertical
shafts .
SKOLITHOS ICHNOFACIES The Skolithos ichnofacies model described by
Seilacher ( 1967 ) and Frey & Pemberton ( 1984 : 198–199 ) is typified by the
presence of burrows with reinforced wall linings and a predominance of vertical
shafts .
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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 |