Commodities
PrimaryNiobium (Columbium)
Commodity typeM
Economic & production
Development statusOccurrence
Identification
Deposit ID10009154
MRDS IDD001850
RegionNA
Data scoreD
Coordinates44.19996, -69.91608
References
BARKER, D. S., 1965, ALKALIC ROCKS AT LITCHFIELD, MAINE, JOURNAL OF PETROLOGY, VOL. 6, PART 1, P. 1 - 27PARKER, R. L., 1963, NIOBIUM AND TANTALUM IN THE UNITED STATES, U. S. G. S. MINERAL INVESTIGATIONS MAP MR - 36