File:Chlorite schist (Pelona Schist, Cretaceous or Paleocene (?); San Antonio Canyon, San Gabiel Mountains, California, USA) 23.jpg

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Captions

Chlorite schist

Summary

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Description
English: Chlorite schist (greenschist) from California, USA.

Chlorite schist is a moderately common, intermediate- to high-grade, foliated metamorphic rock. It is principally composed of chlorite, a group of silicate minerals with a greenish-gray color. This example is from California's Pelona Schist. The precursors were deep-water marine, fine-grained, siliclastic sedimentary rocks. The rock also has some albite feldspar.

Stratigraphy: Pelona Schist, undetermined age (possibly Cretaceous or Paleocene)

Locality: lower plate rocks beneath the Vincent Thrust Fault, San Antonio Canyon, southern flanks of the San Gabiel Mountains, San Bernardino County, southern California, USA
Date
Source https://www.flickr.com/photos/47445767@N05/54236433889/
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@N05/54236433889. It was reviewed on 31 December 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

31 December 2024

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current21:35, 30 December 2024Thumbnail for version as of 21:35, 30 December 20243,532 × 2,620 (6.93 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/54236433889/ with UploadWizard

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