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Details for article 10 of 13 found articles
| Title: |
Sedimentary environments and trace fossils of the Permian Snapper Point Formation, Southern Sydney Basin |
| Author: |
Carey, Jan |
| Appeared in: |
Australian journal of earth sciences |
| Paging: | Volume 25 (1978) nr. 7-8 pages 433-458 |
| Year: |
1978-12 |
| Contents: |
The Lower Permian Snapper Point Formation at its type locality in the southern Sydney Basin is interpreted as a regressive sequence of a linear clastic shoreline. Lithologies, sedimentary structures, and palaeocurrent patterns suggest a prograding barrier-beach environment. Barrier foot, bar nucleus, bar crest, and back-bar are distinguished. Abundant trace fossils aid the recognition of minor facies. The thickness of sediments deposited in the protected inshore environment may be explained by progradation into rising relative sealevel, but rates of sealevel rise or land subsidence were ultimately exceeded by the rate of sediment supply. Up-sequence changes in the character of the sedimentation units and biofacies may therefore reflect an evolution from a barrier profile to an open mainland beach. |
| Publisher: |
Taylor & Francis |
| Source file: |
Elektronische Wetenschappelijke Tijdschriften |
Details for article 10 of 13 found articles
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