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M. Khan

by Khan
(India )

I found this rock in a river

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Sep 19, 2020

by: Douglas

This could be some different things that cannot be described in a photo.

One of the first clues to look for when trying to ID a rock or mineral specimen is to where it came from. This bit of information can tell us a lot. Unfortunately the river may have carried it hundreds of miles from its source.

So just going by appearance I would guess one of two things. Granite is composed of many different minerals like in your specimen. It could also be a conglomerate which is also made of many different minerals cemented together. Look at these pages to learn more about these two rock types.

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