Raymond L Parker

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1) Mafic-ultramafic igneous rocks and associated carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado

Author

Parker, Raymond L

Series

Geological Survey professional paper volume 649

2) Composition of the earth's crust: discussion of methods of determining the crustal composition

Author

Parker, Raymond L

Series

U.S. Geological Survey professional paper volume 440-D

3) Geochemistry of niobium and tantalum

Author

Parker, Raymond L

Series

Geological Survey professional paper volume 612

4) Mafic-ultramafic layered intrusion at Iron Mountain, Fremont County, Colorado

Author

Shawe, Daniel R

Series

Geological Survey bulletin volume 1251-A
Contributions to general geology