Abundance and distribution of thorium in the carbonatite stock at Iron Hill, Powderhorn District, Gunnison County, Colorado

Armbrustmacher, Theodore J.

Abundance and distribution of thorium in the carbonatite stock at Iron Hill, Powderhorn District, Gunnison County, Colorado - Washington : U. S. Govt. Print. Off., 1980 - iii, 11 p - United States. Geological Survey. Professional paper ; no. 1049-B .

Prepared in cooperation with the Department of Energy


Thorium
Carbonatites--Colorado--Gunnison County

QE75 P9 no. 1049 -B
คัดลอกแล้ว!