geologist hand holds specimen andesite extrusive volcanic rock
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geologist hand holds specimen andesite extrusive volcanic rock |
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| navigate by keyword : accounting alkali andesite aphanitic background black carbon charcoal clastic close closeup coal cobble common content crust crystal earths extrusive finegrained food fossil found fuel geologists geology gray hand holds igneous intermediate isolated low macro metals mineral most natural nature object ore percent piece power raw rock rough sedimentary shale silica specimen stone texture volcanic white |
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| Andesite is an aphanitic fine-grained igneous rock that is intermediate in its content of silica and low in alkali metals. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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