Results 111 to 120 of about 34,079 (237)

Detection of alteration associated with a porphyry copper deposit in southern Arizona [PDF]

open access: yes
Computer processing of Landsat MSS data was performed using contrast stretching and band-to-band ratioing. A false color ratio composite picture showed color anomalies which coincided with known areas of alteration on and about Red Mountain. A helicopter
Abrams, M. J., Siegal, B. S.
core   +1 more source

The geology and geophysics of the Oslo rift [PDF]

open access: yes
The regional geology and geophysical characteristics of the Oslo graben are reviewed. The graben is part of a Permian age failed continental rift. Alkali olivine, tholefitic, and monzonitic intrusives as well as basaltic lavas outline the extent of the ...
Ruder, M. E.
core   +1 more source

Study of the lithology, petrology and rock chemistry for the Pyramid Mountains, New Mexico [PDF]

open access: yes
Rock and soil samples were collected at 24 sites within the Pyramid Mountains of southwestern New Mexico. The site locations are specified as 10-acre plots within the Section, Township, and Range land survey system. Hand specimen are described.
Grant, S. K.
core   +1 more source

ERTS-1 imagery use in reconnaissance prospecting: Evaluation of commercial utility of ERTS-1 imagery in structural reconnaissance for minerals and petroleum [PDF]

open access: yes
The author has identified the following significant results. This study was performed to investigate applications of ERTS-1 imagery in commercial reconnaissance for mineral and hydrocarbon resources.
Beatty, D. F.   +3 more
core   +1 more source

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