NDLI: Fracture trends identified by erts-1 imagery in utah and nevada (Document No: 19730022604)

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Fracture trends identified by erts-1 imagery in utah and nevada (Document No: 19730022604)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Smith, M. R. Erickson, M. P.
Copyright Year	1973
Description	The author has identified the following significant results. In the Utah-Nevada area, linear structural trends recorded on ERTS-1 imagery conform in part to previously recognized structures. In addition, the ERTS-1 imagery reveals cryptic structures not previously identified and not readily apparent in other imagery. These structures are illustrated by prominent east-west trending structures which appear to be concentrated in pre-volcanic rocks. This suggests that the structures are older than many of those with other trends which are equally prominent in volcanic and non-volcanic terrain. Since the older east-west structures may have controlled early Tertiary emplacement of magma or the ascent of mineralizing fluids, their recognition is important in minerial exploration. Soil-gas sampling and analysis for mercury content is being continued over structures, and projected trends of buried structures which appear, from studies of ERTS-1 imagery, to be favorable to mineralization. Comparison of ERTS-1 and Skylab imagery indicated that ERTS-1 imagery records more previously unrecognized linear structures than the Skylab imagery. In differentiating and identifying different rock types, the Skylab imagery appears to be more effective.
File Size	2325362
Page Count	102
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19730022604
Archival Resource Key	ark:/13960/t93824d0r
Language	English
Publisher Date	1973-08-24
Access Restriction	Open
Subject Keyword	Geophysics Geological Faults Structural Properties Geology Earth Resources Program Mineral Exploration Volcanology Mercury Metal Utah Fracturing Nevada 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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