Calcflinta, or calc-flinta, is a fine grained calc–silicate rock found amongst the metamorphic rocks of the eastern Highlands of Scotland. It is a hornfels developed from calcareous mudstone. Dictionary of Mining, Mineral, and Related Terms, the U.S. Bureau of Mines, 1996 Calcflinta is also found, for example, around the margin of the granites in south west Britain, and on King Island in Tasmania.
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