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volcanic rock |
Also found in: Wikipedia, Hutchinson | 0.03 sec. |
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volcanic rock [väl′kan·ik ′räk] (geology) Finely crystalline or glassy igneous rock resulting from volcanic activity at or near the surface of the earth. Also known as extrusive rock. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The property straddles the Sakami fault which includes the volcanites of the geological sub-province of La Grande ("La Grande") in the northern section and the sediments of the Opinaca sub-province ("Opinaca") in the southern part. The Comtois property lies within a regional belt of felsic volcanites, in which an auriferous mineralization and the presence of base metals have been detected. |
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