macro shooting basalt white background |
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navigate by keyword : argillaceous background basalt black call carbon clastic clay claysize coal commonly compaction composed darkcolored environment environmental finegrained foliated forms fossil fuel gem gemmology gemology geological geology green igneous isolated macro mainly mineral minerals mud natural nature ore particles piece plagioclase pyroxene raw red rock rocks rough sand science sedimentary shale shooting silt single solid specimen spinach stone structure tectonics texture that volcano white |
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Basalt is a dark-colored, fine-grained, igneous rock composed mainly of plagioclase and pyroxene minerals. |
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