| foraminiferans | ||||||||||||||||||||||||||||||||||||||||
| navigate by keyword : sand grains closeup micrograph magnified macrophotography scattered spread shells foraminiferans foraminifera forams pieces calcification calcium carbonate coral limestone pulverized white color red geology mineral erosion weathering caribbean island leeward islands lesser antilles anguilla nature natural environment people | ||||||||||||||||||||||||||||||||||||||||
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| Micrograph of beach sand, with colorful shell fragments, pieces of coral, some quartz grains and foraminiferans, and calcareous grains from erosion of the limestone bedrock of Anguilla in the Caribbean Sea, at 20x | ||||||||||||||||||||||||||||||||||||||||
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