Mine detail: Coombs Feldspar Quarry

Previously called ''

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Location

Lat / long:

44.03326, -69.91611

Resource(B)

Primary:	Feldspar, Tantalum, Niobium (Columbium)
Ore:	Beryl, Muscovite, Tantalite, Columbite

Production

Operation type:	Unknown
Deposit type:	Pegmatite
Production size:	Small
Development status:	Producer

Geology

Host type:

Schist

References

MRDS	D001851
DEP	10107755
Reference	{Deposit:: CAMERON, E. N., AND OTHERS, 1954, PEGMATITE INVESTIGATIONS 1942 - 1945, NEW ENGLAND, U. S. G. S. PROF. PAPER 25}{Deposit:: Cameron, E. N., Larrabee, D. M., Mcnair, A. H., Page, J. J., Shainin, V. E., And Stewart, G. W., 1954, Pegmatite Investigations 1942-45, New England: U. S. Geological Survey Professional Paper 255, 352 P.Cameron, E. N., Larrabee, D. M., Mcnair, A. H., Page, J. J., Shainin, V. E., And Stewart, G. W., 1954, Pegmatite Investigations 1942-45, New England: U. S. Geological Survey Professional Paper 255, 352 P.}
Reporter	Parker, Raymond L., Woodruff, Laurel G.