File:Archean Greenstone Pillow Lava in Michigan USA 3.jpg

Original file (1,034 × 647 pixels, file size: 145 KB, MIME type: image/jpeg)

Summary

Description
English: Hand specimen of greenstone (metamorphosed basaltic pillow lava) of the Mona Formation (part of the Ishpeming Greenstone Belt) of Neoarchean age (~2.7 Ga) exposed at a road cut between Marquette and Negaunee in the Upper Peninsula of Michigan, USA.
Date
Source https://www.flickr.com/photos/jsjgeology/8499232782/sizes/o/in/photostream/
Author James St. John (jsj1771) https://www.flickr.com/people/jsjgeology/

Licensing

This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/8499232782. It was reviewed on 25 June 2013 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

25 June 2013

w:en:Creative Commons
attribution
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Captions

Metavolcanic rock

Items portrayed in this file

depicts

22 February 2013

image/jpeg

f17612ea4282ba5c2e7528476a021beeeb411e9c

148,901 byte

647 pixel

1,034 pixel

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current16:02, 25 June 2013Thumbnail for version as of 16:02, 25 June 20131,034 × 647 (145 KB)GeoWriterUser created page with UploadWizard

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