Integrated analysis of high-resolution field and airborne spectroradiometer data for( mineral) alteration mapping ( Oatman gold deposit, Arizona).

Stuart Marsh, J. B. McKeon

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

This study presents the results of our investigation into the development and application of high-spectral resolution field and airborne infrared spectroradiometers for mapping mineral alteration. The study demonstrated that these prototype field, and airborne systems can identify individual alteration minerals and assemblages and thus provide the exploration geologist with detailed reconnaissance information on surface alteration. Field and airborne spectral surveys were carried out over the Oatman epithermal gold deposit in NW Arizona. The high-resolution systems have demonstrated the ability to delineate pervasive argillic and wall-rock phyllic and propylitic alteration at this test site. Discrimination of these zones rests upon our ability to correctly identify the dominant alteration minerals - alunite, illite (mica), and chlorite. -from Authors

Original languageEnglish (US)
Pages (from-to)618-632
Number of pages15
JournalEconomic Geology
Volume78
Issue number4
DOIs
StatePublished - 1983
Externally publishedYes

Fingerprint

Gold deposits
spectroradiometers
mineral alteration
Minerals
gold
deposits
minerals
high resolution
Wall rock
alunite
Spectral resolution
Mica
wall rock
spectral resolution
mica
illite
chlorite
reconnaissance
Infrared radiation
discrimination

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics
  • Engineering(all)

Cite this

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