File:Flickr - brewbooks - Skagit Gneiss.jpg
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| Description |
Formation: Skagit Gneiss Rock Type: Highly metamorphosed gneiss ("nice") Found: Along Highway 20 Newhalem, Washington to Panther Creek) Extends north to British Columbia and south to Lake Chelan Gneiss Recipe for Skagit Gneiss - Have some colliding terranes bury sedimentary, igneous, and metamorphic rocks ( as much as 90,000 feet deep!) - Allow time to metamorphose at high temperatures and pressures. Be patient! - Add molten rock; hot water and then increase pressure. - Stew and shake for millions of years - Allow to cool. Let rise for another few million years. RESULT: The very complex, layered, folded and intruded rock formation visible in the highway cuts nearby. (Recipe in memory of University of Washington Professor Peter Misch ) Source: Roadside explanatory sign, North Cascade Highway DSCN3007 |
| Date | |
| Source | Skagit Gneiss |
| Author | brewbooks from near Seattle, USA |
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This image, originally posted to Flickr, was reviewed on 15 June 2012 by the administrator or reviewer Matanya, who confirmed that it was available on Flickr under the stated license on that date. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:10, 15 June 2012 | | 2,048 × 1,536 (1.09 MB) | Matanya (talk | contribs) | == {{int:filedesc}} == {{Information |Description=Formation: Skagit Gneiss Rock Type: Highly metamorphosed gneiss ("nice") Found: Along Highway 20 Newhalem, Washington to Panther Creek) Extends north to British Columbia and south to Lake Chelan Gneis... |
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