Mine detail: Mt. Monadnock Area Sillimanite Deposits

Previously called ''

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Location

Lat / long:

42.86664, -72.11616

Resource(N)

Tertiary:	Kyanite
Ore:	Sillimanite
Orebody form:	IRREGULAR

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Littleton Formation-Sillimanite-Mica-Quartz Schist, Quartzite
Host type:	Schist
Associated rock:	Concord Granite
Associated type:	Quartz Monzonite,Gneiss,Granite
Alteration processes:	Muscovite

References

MRDS	W007485
DEP	10069796
Reference	FOWLER - BILLINGS, K. S., 1944, SILLIMANITE DEPOSITS IN THE MONADNOCK QUADRANGLE: NEW HAMPSHIRE STATE PLAN AND DEVEL. COMM. PT. 8
Reporter	Espenshade, Gilbert H.