Maine · Oxford County
Past Producer

Ryerson Hill Mine

Oxford County, Maine, United States
GemstoneFeldsparTantalum
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGemstone
SecondaryFeldspar
TertiaryTantalum
Commodity typeB
Economic & production
Development statusPast Producer
Identification
Deposit ID10169495
RegionNA
Data scoreD
Coordinates44.29636, -70.46882
References
RAND, JOHN R, MARCH, 1957, ME GEOL SURVEY MIN RES INDEXSERIES NO 1, P. 18.MORRILL, PHILIP & OTHERS, 1958, ME MINES & MINERALS, VOL 1,P. 38.RAND, JOHN R, JUNE 30, 1957, ME GS MIN RES REF MAP 1.