Definition
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Discoverer
Etymology
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Other Categories
Mudstone is a fine-grained, dark gray sedimentary rock, which is formed from silt and clay and is similar to shale but has less laminations
From the English mud and stone, from low German mudde and stainaz
Fine Grained Rock, Opaque Rock
Enderbite rock is an igneous rock which belongs to the Charnockite rock series
From its occurrence in Enderby Land, Antarctica
Coarse Grained Rock, Opaque Rock