NDLI: Evaluation of landsat mss vs tm simulated data for distinguishing hydrothermal alteration

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Evaluation of landsat mss vs tm simulated data for distinguishing hydrothermal alteration

Content Provider	NASA Technical Reports Server (NTRS)
Author	Abrams, M. J. Kahle, A. B. Soha, J. M. Madura, D. P.
Copyright Year	1978
Description	The LANDSAT Follow-On (LFO) data was simulated to demonstrate the mineral exploration capability of this system for segregating different types of hydrothermal alteration and to compare this capability with that of the existing LANDSAT system. Multispectral data were acquired for several test sites with the Bendix 24-channel MSDS scanner. Contrast enhancements, band ratioing, and principal component transformations were used to process the simulated LFO data for analysis. For Red Mountain, Arizona, the LFO data allowed identification of silicified areas, not identifiable with LANDSAT 1 and 2 data. The improved LFO resolution allowed detection of small silicic outcrops and of a narrow silicified dike. For Cuprite - Ralston, Nevada, the LFO spectral bands allowed discrimination of argillic and opalized altered areas; these could not be spectrally discriminated using LANDSAT 1 and 2 data. Addition of data from the 1.3- and 2.2- micrometer regions allowed better discriminations of hydrothermal alteration types.
File Size	30211617
Page Count	56
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19780013626
Archival Resource Key	ark:/13960/t2m669m1j
Language	English
Publisher Date	1978-03-01
Access Restriction	Open
Subject Keyword	Earth Resources And Remote Sensing Multispectral Band Scanners Earth Resources Program Spectral Signatures Earth Resources Data Processing Mapping Mineral Deposits Utah Aerial Reconnaissance Thematic Mappers Landsat Signature Analysis Landsat Follow-on Missions Arizona 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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