Ooid Sand, Bahamas
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Foto is from Joulter's Shoal, Andros Island | Macro, ooids |
Location | Bahamas |
Depositional facies | Beach, shallow subtidal |
Provenance | Local |
Composition | Calcite, aragonite; additionally well rounded, elongate fragments of calcarous algae (Halimeda ?) and few bivalve fragments |
Texture | Grains are very well rounded, well sorted, medium to coarse grained |
Petrographic thin section:
Description | Radial ooids of aragonite needles, generally around a detritic core (quartz, calcarous fragment ecc.) |
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Bright field | Dark field |
Sample number | heubeck0010, NA15 |
Collector | unknown |
Date of sampling | unknown, approx. 1995 |
Comments:
See Additional data page for REM images