Close-up photography of subjects pertaining to geology and paleontology
(and seashells, too)
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All images Copyright Mark Windom
Earths' oldest fossils; formed by the activity of microbial mats (particularly cyanobacteria} in limestone-rich shallow waters; #3767
Cross section of a piece of agatized fossilized coral; Miocene in age (25-32 million years); from the west coast of Florida; #3137