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Dominant white carbonate sand (CaCO3, calcite and aragonite); few fractions of quartz, chlorite?, hornblende, fine grained and dark mafic rock fragments (Lv), intermediary plutonic fragments, black obsidian
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Fragments of red algae |
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Texture:
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Petrographic thin section:
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Characteristic "finger print" red algae, tubular serpulids, few benthic foraminifera, radial coralline sceletal fragments, angular echinoid plates
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Texture:
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Medium sand (ca. 350 µ), moderately sorted, subangularTexture of the grains, ecc.
Sample Number:
number of the sample
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