Abstract
Some specimens of calcite which I obtained recently from a chalkpit at Corfe Castle in Dorsetshire appear worthy of description on account of their somewhat unusual habit and of the rarity of wellcrystallized minerals in the Chalk.The pit is situated in the Upper Chalk, not far from the great overthrust fault which traverses the Isle of Purbeck from west to east along the boundary of the Chalk and the overlying Tertiary beds. The Chalk is here steeply inclined, with a northerly dip, and is much indurated, being sufficiently hard to be worked for road-metal.
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