File:Basalt Blobs in Dacite in Lassen Volcanic National Park in California.jpg

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English: Basalt quenched blob in dacite in Lassen Volcanic National Park, California. The dark patches within the rock are called quenched blobs. During the molten stage, the basalt magma mixed with the dacite magma. Basalt magma is hotter than dacite magma. The basalt blobs were quenched - cooled suddenly. The mixing of the two magmas likely triggered the May 1915 eruption of Lassen Peak volcano.
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Source https://www.flickr.com/photos/docentjoyce/9512040047/
Author docentjoyce (https://www.flickr.com/people/docentjoyce/)

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This image was originally posted to Flickr by docentjoyce at https://flickr.com/photos/99003655@N00/9512040047. It was reviewed on 12 November 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

12 November 2021

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
Attribution: Joyce Cory
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current12:43, 12 November 2021Thumbnail for version as of 12:43, 12 November 20213,072 × 2,304 (3.3 MB)GeoWriter (talk | contribs)Uploaded a work by docentjoyce (https://www.flickr.com/people/docentjoyce/) from https://www.flickr.com/photos/docentjoyce/9512040047/ with UploadWizard

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