rayen Posted June 2, 2021 Share Posted June 2, 2021 can someone tell me what kind of rock is this Link to comment Share on other sites More sharing options...
Jeff McClendon Posted June 4, 2021 Share Posted June 4, 2021 I can't give you the exact name. It is definitely and intrusive igneous rock with the minerals quartz, mica and feldspar visible. It has been rounded by being in moving water or rounded by desert sand and wind. 5 Link to comment Share on other sites More sharing options...
Bob(AK) Posted June 4, 2021 Share Posted June 4, 2021 granite 1 Link to comment Share on other sites More sharing options...
Rick N. MI Posted June 4, 2021 Share Posted June 4, 2021 Looks like granite to me too. Photo isn't clear enough. 1 Link to comment Share on other sites More sharing options...
Jeff McClendon Posted June 5, 2021 Share Posted June 5, 2021 I did not want to give an exact name to Rayen's igneous rock because of the presence of yellowish feldspar which usually indicates a plagioclase feldspar not an orthoclase feldspar. This yellow feldspar could put this specimen more towards granodiorite or diorite if it is plagioclase. 2 Link to comment Share on other sites More sharing options...
Bear Posted June 6, 2021 Share Posted June 6, 2021 Call it a Granitoid unless you know 100% where it falls on the QAP diagram 1 Link to comment Share on other sites More sharing options...
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