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from article Lichens
The ascolichen Teloschistes chrysophthalmus. (Credit: Jason Hollinger)
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Image
from article Lichens
Cuplike lichens of the genus Cladonia. (Credit: Jacinta Lluch Valero)
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from article Chert
Rhythmically bedded radiolarian chert from the Franciscan Complex. Diabio Range. California; of Late Jurassic age.
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from article Asbestos
The King City Asbestos Company mine in the Coalinga asbestos district of San Benito and Fresno Counties in west-central California. This large chrysotile mine was the last asbestos operation in the United States; the mine closed in 2002. (Credit:…
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from article Asbestos
Transmission electron photomicrographs of chrysotile asbestos (a) at 1000× magnification and (b) at 40,000× magnification, where the hollow-tube morphology is visible.
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from article Asbestos
Transmission electron photomicrographs of (a) amosite asbestos, (b) anthophyllite asbestos, (c) crocidolite asbestos, and (d) tremolite-actinolite asbestos. Note that tremolite and actinolite are part of a solid solution series and differ only in…
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from article Pluton
Schematic block diagram showing the occurrence of the more common types of plutons.
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from article Dune vegetation
A coastal dune profile.
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from article Dune vegetation
American beachgrass (Ammophila breviligulata), which dominates coastal dunes along much of the Eastern seaboard of the United States and the Great Lakes. (Photo by Rob Routledge, Sault College, Sault Ste. Marie, Ontario, Canada)
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from article Dune vegetation
Sea oats (Uniola paniculata) are abundant on the foredunes of the Atlantic coast of the southeastern United States. (Photo by Robert L. Anderson, USDA Forest Sevice)
