Concepedia

Roger P. Ashley

RP

19

Publications

1.8K

Citations

15

H-Index

1971

Active since

Affiliations

United States Geological Survey(Current)

Jet Propulsion Laboratory

Stanford University

Denver Federal Center

Roger P. Ashley is an author at United States Geological Survey specializing in earth science, geology, and engineering.

Top concepts

Publications per year

1971–2021

19

Publications

19

Spectra of altered rocks in the visible and near infrared

G. R. Hunt, Roger P. Ashley · Economic Geology · 1979 · 649 citations

, , +19

Discrimination of hydrothermal altered and unaltered rocks in visible and near infrared multispectral images

Lawrence C. Rowan, Alexander Goetz, Roger P. Ashley · Geophysics · 1977 · 192 citations

Mapping of hydrothermal alteration in the Cuprite mining district, Nevada, using aircraft scanner images for the spectral region 0.46 to 2.36µm

Michael J. Abrams, Roger P. Ashley, Lawrence C. Rowan et al. · Geology · 1977 · 180 citations

, , +17

Mapping Advanced Argillic Alteration at Cuprite, Nevada, Using Imaging Spectroscopy

Gregg A. Swayze, R. N. Clark, A. F. H. Goetz et al. · Economic Geology · 2014 · 178 citations

, , +15

An example of the use of factor analysis and cluster analysis in groundwater chemistry interpretation

Roger P. Ashley, Joanne Lloyd · Journal of Hydrology · 1978 · 129 citations

, , +9

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