NDLI: Landsat 4 investigations of thematic mapper and multispectral scanner applications. [drum mountains, utah and tonopath, nevada]

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Landsat 4 investigations of thematic mapper and multispectral scanner applications. [drum mountains, utah and tonopath, nevada]

Content Provider	NASA Technical Reports Server (NTRS)
Copyright Year	1985
Description	Structural and stratigraphic characteristics of the Drum Mountains in Utah were obtained using LANDSAT 5 TM data that were digitally enhanced using band ratioing, principal components analysis, and spatial filtering techniques. Color ratioing composite images proved most useful for distinguishing between and identifying exposure of hyroxly bearing hydrothermally altered inclusive rocks and bleached contact metamorphic rocks dominated by calc-silicate mineral assemblages. The amount and detail of geologic information interpreted from TM images is more significant than that from MSS and in geologic maps. Enhanced LANDSAT 5 TM data also identified and mapped hydrothermal alteration and distinguished between altered and unaltered limonitic assemblages in the Tonopath, Nevada quadrangle.
File Size	1282155
Page Count	4
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19850013447
Archival Resource Key	ark:/13960/t6c29s50q
Language	English
Publisher Date	1985-02-27
Access Restriction	Open
Subject Keyword	Earth Resources And Remote Sensing Metamorphic Rocks Geological Surveys Earth Resources Program Thematic Mapping Lithology Spectral Bands Photogeology Landsat 5 Band Ratioing Thematic Mappers Landsat Mineral Deposits Image Enhancement Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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