Close-up photography of subjects pertaining to geology and paleontology
(and seashells, too)
Please contact for commercial stock licensing options.
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All images Copyright Mark Windom
Macro photograph of a sliced and polished piece of Rolling Hills dolomite; Chihuahua, Mexico; #3916
Theodore Roosevelt National Park; North Dakota; #3815
Macrophotograph of patterns in a thunderegg from Oregon. Thundereggs are nodule-like rocks found in lava flows. They develop within gas pockets in the lava as mineral deposits form within the cavity. Thunderegg is the Oregon State rock.; #3864