This blog provides a selection of images - mostly photomicrographs - of peridotites. Comments and questions are welcome. If you got here via a search engine, check out the blog archive (at right) - There's a lot to see. If you want to enlarge an image beyond what the interface allows, use "save image as", or drag it (the enlarged image) to your desktop and enlarge it further with graphics software or with your browser.
This image shows the texture of the peridotite, in which olivine and pyroxene have been almost entirely pseudomorphed by serpentine, much of which has been replaced in turn by amphiboles. Light-colored areas are carbonate veins. Marquette County, northern Michigan. XPL Macrophotograph. Imaged area 25 mm x 41 mm.
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