File:Gabbro with granite dike (Devonian; Hulls Cove, Mt. Desert Island, Maine, USA) 1.jpg
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| Description |
English: The blackish-colored rock is gabbro, a mafic, phaneritic, intrusive igneous rock composed of plagioclase feldspar and pyroxene. The light-colored "vein" is a granite dike. Granite is the felsic equivalent of gabbro. Granites have quartz and potassium feldspar, often with sodic plagioclase feldspar, amphibole, and mica.
Geologic unit: gabbro-diorite unit, Cadillac Mountain Intrusive Complex, Early Devonian, 418 Ma Locality: coastal exposure at Hulls Cove, eastern side of Route 3, northeastern Mt. Desert Island, coastal Maine, USA (44° 24.940’ North latitude, 68° 15.047’ West longitude) |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/50601545138/ |
| 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@N05/50601545138. It was reviewed on 18 November 2020 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 | 00:59, 18 November 2020 | | 3,006 × 1,792 (4.06 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/50601545138/ with UploadWizard |
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