NDLI: Structural lineaments in the southern sierra nevada, california

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Structural lineaments in the southern sierra nevada, california

Content Provider	NASA Technical Reports Server (NTRS)
Author	Childs, J. F.
Copyright Year	1974
Description	The author has identified the following significant results. Several lineaments observed in ERTS-1 MSS imagery over the southern Sierra Nevada of California have been studied in the field in an attempt to explain their geologic origins and significance. The lineaments are expressed topographically as alignments of linear valleys, elongate ridges, breaks in slope or combinations of these. Natural outcrop exposures along them are characteristically poor. Two lineaments were found to align with foliated metamorphic roof pendants and screens within granitic country rocks. Along other lineaments, the most consistant correlations were found to be alignments of diabase dikes of Cretaceous age, and younger cataclastic shear zones and minor faults. The location of several Pliocene and Pleistocene volcanic centers at or near lineament intersections suggests that the lineaments may represent zones of crustal weakness which have provided conduits for rising magma.
File Size	799899
Page Count	11
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19740007914
Archival Resource Key	ark:/13960/t2j72705s
Language	English
Publisher Date	1974-02-01
Access Restriction	Open
Subject Keyword	Geophysics Geological Faults Structural Properties Geology Earth Resources Program Outcrops Topography Tectonics Sierra Nevada Mountains Ca 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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