W-Sn Skarn Deposits and related Metamorphic Skarns and …
W-Sn skarns are notoriously complex, with a wide range of textures, grain sizes, mineral assemblages, bulk compositions and structures. Skarns are considered to be rocks produced by the replacement of calcite or dolomite marble (in most cases) independent of whether calcic or magnesian silicates are abundant, rare, or in extreme cases even present.
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