File:Perlite (Fish Springs Perlite Deposit, Pleistocene; American Perlite Mine, Inyo County, California, USA) 1.jpg
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| Description |
English: Perlite from the Pleistocene of California, USA.
Perlite is a usually-gray, hydrated, rhyolitic, glassy rock. It forms by aqueous alteration of obsidian, a usually-black, rhyolitic, glassy rock. This specimen is from a rhyolitic volcanic dome in eastern California's Big Pine Volcanic Field, which is otherwise populated by small, alkaline mafic volcanic centers. The rhyolitic dome consists of perlite of varying vesicularity, brecciated obsidian, and perlitic vitrophyre. Stratigraphy: Fish Springs Perlite Deposit, Big Pine Volcanic Field, Pleistocene Locality: American Perlite Mine (also known as the Tinemaha Pit), between Big Pine & Aberdeen, Owens Valley, northwestern Inyo County, eastern California, USA (37° 03' 19.09" North latitude, 118° 18' 04.33" West longitude) Some info. from: Wilkerson (2007) - Roadside Geology and Mining History, Owens Valley and Mono Basin. Buena Vista Museum of Natural History, Bakersfield, California, USA. 134 pp. Info. at: en.wikipedia.org/wiki/Big_Pine_volcanic_field |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/52337848454/ |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/52337848454. It was reviewed on 2 November 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:04, 2 November 2022 | | 3,307 × 2,257 (5.11 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/52337848454/ with UploadWizard |
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