File:Cartier Granite (Neoarchean; 2.642 Ga; Crab Lake South roadcut, south-southeast of Cartier, Ontario, Canada) 4 (33857443908).jpg
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Summary
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Granite in the Precambrian of Ontario, Canada. Granite is the number one most common rock in Earth's continental crust. It is a felsic, crystalline-textured, intrusive igneous rock. Granite must contain quartz and potassium feldspar. Other minerals commonly included in granite are sodic plagioclase feldspar, amphibole, and mica. The granite outcrop seen here is part of the Cartier Granite, a 2.6 billion year old intrusion in Ontario. The texture at this site varies from phaneritic (= coarsely-crystalline) to porphyritic (= a mix of large and small crystals - phenocrysts and groundmass). Geologic unit: Cartier Granite, Algoma Plutonic Complex, Neoarchean, 2.642 Ga Locality: Crab Lake South outcrop - roadcut on the eastern side of Route 144, ~200 meters south of parking area for Crab Lake, south-southeast of the town of Cartier, Sudbury Impact Structure, Ontario, southeastern Canada (46° 40’ 28.51 North latitude, 81° 32' 34.43" West longitude) (= stop 34 of Rousell et al. (2009) - A field guide to the geology of Sudbury, Ontario. Ontario Geological Survey Open File Report 6243, p. 165.) |
| Date | |
| Source | Cartier Granite (Neoarchean; 2.642 Ga; Crab Lake South roadcut, south-southeast of Cartier, Ontario, Canada) 4 |
| 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@N05/33857443908 (archive). It was reviewed on 5 December 2019 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 | 06:17, 5 December 2019 | 4,000 × 3,000 (9.53 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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