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Time Lapse of microbial interactions for two weeks. Special Thanks to Dr. Bharathan and Dr. Gutierrez
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Diptera tipulidae Specimen provided by Joseph Cancellare of El Paso Community College. He can be reached by email at stonefly.1@live.com
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From the Amogjar cap dolostone in West Africa. This barite fan records barium sulfate remobilization that occurred during a rapid shift in oceanic chemical conditions. Barium sulfate is insoluble in oxygenated water, but under anoxic conditions it will dissolve in the manner seen here. PFH-1 records unusual oceanic ...
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Diptera tipulidae Specimen provided by Joseph Cancellare of El Paso Community College. He can be reached by email at stonefly.1@live.com
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The sample is a tubestone stromatolite of the Neoproterozoic Noonday Formation, a post-glacial cap carbonate, from the Queen of Sheba mine in Death Valley. Notably, the inner tube, which appears here as the more resistant portion of the rock and likely rich in silica, co-exists with galena and other sulfide minerals, ...
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Diptera tipulidae Specimen provided by Joseph Cancellare of El Paso Community College. He can be reached by email at stonefly.1@live.com
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Diptera tipulidae Specimen provided by Joseph Cancellare of El Paso Community College. He can be reached by email at stonefly.1@live.com
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Diptera tipulidae Specimen provided by Joseph Cancellare of El Paso Community College. He can be reached by email at stonefly.1@live.com
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Cross-laminated sandstone composed primarily of well-rounded, coarse sand grains from the base of the Ulveso Formation. The Ulveso Formation has been interpreted as an immature aeolian deposit with a proglacial subaerial origin. This sample may have been deposited during a period of dry, windy conditions preceding the ...
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A fine-grained carbonate laminite from above the Ghuab glacial formation. It is interpreted as a marine cap carbonate suggestive of rapid enviromental change. Sample is 8.4 cm long. This sample is from the Snowball Earth Educational Rock Sample Suite, and comes courtesy of Paul Hoffman, Harvard University; Eugene...
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