Geology topics

Elmo F. Cooley

Publications and source records attributed to Elmo F. Cooley.

21 records · Page 2Linked to original sources

USGS1979

Distribution and abundance of antimony in the minus-80-mesh fraction of stream-sediment samples, Survey Pass 1° x 3° quadrangle, Alaska

No abstract available.

Alaska↗

USGS1979

Distribution and abundance of lanthanum in the nonmagnetic fraction of heavy-mineral concentrates from stream sediments, Survey Pass quadrangle, Alaska

No abstract available.

Alaska↗

USGS1977

A device for automatic photoelectric control of the analytical gap for emission spectrographs

A photoelectric device has been built that automatically controls the analytical gap between electrodes during excitation period. The control device allows for precise control of the analytical gap during the arcing process of samples, resulting in better precision of analysis.

Circular↗