Dexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence Co., Rhode Island, USA

Ref.: Bowen(1822); Rocks & Min.: 9:107, 12:52; 17:51; 20:463-464 & 61:253-268; Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston. This limestone quarry was started about 1640 and is the earliest known mining in the "colonies." Closed in 1943. Workings were 800 feet long, 300 feet wide and 120 feet deep (or high at the face).

Mineral List:

	Actinolite

	Anatase

	Ankerite

	Antigorite

	var: Bowenite

	Azurite

	Birnessite ?

	Calcite

	Clinochlore

	Dolomite

	Dravite

	Epidote

	Galena

	Goethite

	Graphite

	Kaolinite

	Magnesiohornblende

	Magnetite

	Malachite

	Muscovite

	Orthoclase

	var: Adularia

	Pyrite

	Quartz

	Quartz var: Smoky Quartz

	Rhodochrosite

	Rhodonite

	Rutile

	Scolecite

	'Sericite'

	Siderite

	Sphalerite

	Talc

	Titanite

	Tremolite

35 entries listed. 31 valid minerals.

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