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Summary

Description
Español: Paragneis sedimentario (roca gris claro) intruida por dos generaciones de diques de color oscuro. Primero por gabro y luego por diabasa. Entre estos dos episodios de intrusion también se puede ver una pequeño dique de pegmatita (de color claro) cerca del faro. Imagen de las Islas Koster en Suecia.
Svenska: Äldst här är en grå sedimentgnejs som deformerades, upphettades, och delvis smälte för ca 1 560 miljoner år sedan i den gotiska bergskedjebildningen (ej smälta fragment av syns i berget). I dess slutfas trängde en gabbromagma in, en blandbergart bildades; rundade bollar av mörk gabbro i ljusgrå gnejs, eller ljusa nätverk av smält sedimentgnejs i gabbron. En yngre gråvit pegmatitgång slår igenom blandbergarten vid fyrtornen. Gångar av den ännu yngre svarta Kosterdiabasen skär genom alla bergarter. Photo by: Svante Hultengren, Naturcentrum
Date
Source https://www.flickr.com/photos/geologicalsurveyofsweden/6859113576/in/set-72157629626926551/
Author Svante Hultengren

Licensing

This image was originally posted to Flickr by Geological Survey of Sweden at https://www.flickr.com/photos/55118510@N03/6859113576. It was reviewed on 19 December 2012 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

19 December 2012

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Captions

The oldest rock is a gray sediment gneiss that was deformed, heated, and partly melted about 1,560 million years ago in the Gothic mountain range.

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author name string: Svante Hultengren

11 December 2009

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Date/TimeThumbnailDimensionsUserComment
current05:57, 16 January 2019Thumbnail for version as of 05:57, 16 January 20193,096 × 3,088 (694 KB)FährtenleserBild aufgehellt
23:18, 19 December 2012Thumbnail for version as of 23:18, 19 December 20123,096 × 3,088 (924 KB)DentrenUser created page with UploadWizard

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