Blouberg Beach, Cape Town, South Africa
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South view |
Macro |
Location |
Blouberg Beach, 15 km north of Cape Town, South Africa |
Depositional facies |
Beach |
Provenance |
Mixture of hinterland dunes and shallow water carbonate grains |
Composition |
Quartz, aragonite, siliceous sponge needles |
Texture |
Medium grained, subangular, poorly sorted |
Petrographic thin section:
Description |
Mixture of siliceous (quartz, little feldspar) and calcitic debris (fragments of echinoids and bryozoa), little transparent sponge needles |
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Bright field |
Dark field |
Sample number |
heubeck0018? |
Collector |
Christoph Heubeck, Institut für Geologische Wissenschaften, FU Berlin |
Date of sampling |
14. August 1992 |
Comments:
Shallow water; sponge patch reefs few 100 m in front of coast, mixed with mussel beds in the surf zone; Blouberg Bay is a popular beach ca. 15 km north of Cape Town.
