Outline of Geology of the U12k and U12k.01 Tunnels, Area 12, Nevada Test Site

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From introduction: Descriptive data for the Ul2k tunnel system are summarized in table 1. The U12k and U12k.01 tunnels were driven in predominantly air-fall tuffs of the Grouse Canyon and Survey Butte Members of the Oak Spring Formation of- Miocene(?) or younger age. The base of the Grouse Canyon Member is exposed in the road cut 500 to 700 feet east of, and at the same approximate elevation as, the portal U12k tunnel. The contact of the Grouse Canyon Member with the younger Survey Butte Member is at.5+63R and 5+56L in Ul2k.O1L (Personnel tunnel) and at 7+08R and 7+03L in ... continued below

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32 p. : ill., map ; 28 cm.

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Houser, Fred N. 1962.

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Description

From introduction: Descriptive data for the Ul2k tunnel system are summarized in table 1. The U12k and U12k.01 tunnels were driven in predominantly air-fall tuffs of the Grouse Canyon and Survey Butte Members of the Oak Spring Formation of- Miocene(?) or younger age. The base of the Grouse Canyon Member is exposed in the road cut 500 to 700 feet east of, and at the same approximate elevation as, the portal U12k tunnel. The contact of the Grouse Canyon Member with the younger Survey Butte Member is at.5+63R and 5+56L in Ul2k.O1L (Personnel tunnel) and at 7+08R and 7+03L in U12k.O1R (Line of sight tunnel). A total of 165 feet of tuff of the Grouse Canyon Member is exposed in and near the tunnel, but only 74 feet of the Survey Butte Member is exposed in the U12k tunnel system.

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32 p. : ill., map ; 28 cm.

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  • 1962

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  • March 15, 2017, 12:42 p.m.

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  • March 20, 2017, 1:39 p.m.

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Houser, Fred N. Outline of Geology of the U12k and U12k.01 Tunnels, Area 12, Nevada Test Site, report, 1962; Washington D.C. (digital.library.unt.edu/ark:/67531/metadc502017/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.