Theodore J. Armbrustmacher

Petrology and mineralogy of alkaline rocks from the Elk massif, northeastern Poland

1994

Mineral resources of the Gunnison Gorge Wilderness Study Area, Montrose and Delta counties, Colorado

1989

Geology and resources of thorium and associated elements in the Wet Mountains area, Fremont and Custer counties, Colorado

1988

Modal compositions, whole-rock chemical data and normative mineralogy, and minor element data for rocks from alkaline intrusive complexes in northwestern Montana

1987

Alkaline rock complexes in the Wet Mountains area, Custer and Fremont counties, Colorado

1983

Allanite-bearing calc-silicate rocks, southern Bighorn Mountains, Wyoming

1982

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

1980