xanthosite Definition
Definition
A rare mineral, also known as radiolarite or siliceous spongite, which is a sedimentary rock consisting of the accumulation of silica skeletons of marine plankton called radiolarians.
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A rare mineral, also known as radiolarite or siliceous spongite, which is a sedimentary rock consisting of the accumulation of silica skeletons of marine plankton called radiolarians.
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