Mine detail: Mount Pleasant Mine

Previously called ''

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Location

Lat / long:

45.43326, -66.81596

Resource(M)

Primary:	Bismuth, Tungsten, Molybdenum, Tin
Ore:	Bismuth, Cassiterite, Molybdenite, Sphalerite, Wolframite
Gangue:	Chlorite, Dickite, Fluorite, Quartz, Sericite, Siderite, Topaz, Tourmaline
Orebody form:	VEINS, DISSEMINATED PODS, IRREGULAR
Discovery year:	1954

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Producer
First production started:	1983

Geology

Host type:	Granite
Associated type:	Granite
Structure:	Southwest Margin Of The Mount Pleasant Caldera, Fire Tower Fault
Alteration processes:	Greisen-Type Alteration, Grades Outward Into Propylitic Alteration; Potassic Alteration Occurs Locally; Propylitic Regional Halo

References

MRDS	TC00512
DEP	10056491
Reference	{Deposit:: CORE SHED DISPLAY APPENDIX, 1990, VIII SYMPOSIUM, INTERNATIONAL ASSOCIATION ON THE GENESIS OF ORE DEPOSITS, OTTAWA, CANADA.}{Deposit:: KOOIMAN, G.J.A., MCLEOD, M.J., AND SINCLAIR, W.D., 1986, PORPHYRY TUNGSTEN-MOLYBDENUM ORE BODIES, POLYMETALLIC VEINS AND REPLACEMENT BODIES, AND TIN-BEARING GREISEN ZONES IN THE FIRE TOWER ZONE, MOUNT PLEASANT, NEW BRUNSWICK: ECONOMIC GEOLOGY, V. 81, P. 1356-1373.}{Production:: CORE SHED DISPLAY APPENDIX, 1990.}
Reporter	Bolm, Karen S.