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00000cam a2200000K 4500 |
| 001 |
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| 005 |
20220103135419.0 |
| 008 |
791204s1970 txua m 000 0 eng d |
| 035 |
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|9 AAT9047AM
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|a (OCoLC)05758852
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|a (OCoLC)5758852
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|a (OCoLC)ocm05758852
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| 040 |
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|a TXA
|b eng
|c TXA
|d OCL
|d OCLCQ
|d TXA
|d OCLCO
|d TXA
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| 049 |
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|a TXAM
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| 050 |
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|a QE134.G52
|b W54 1970a
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| 099 |
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|a 1970
|a Dissertation
|a W752
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| 100 |
1 |
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|a Wilson, Raymond Carl.
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| 245 |
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|a The mechanical properties of the shear zone of the Lewis overthrust, Glacier National Park, Montana.
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| 264 |
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1 |
|a [College Station, Tex.]
|c 1970.
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| 300 |
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|a 89 leaves
|b illustrations
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| 336 |
|
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|a text
|b txt
|2 rdacontent
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| 337 |
|
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|a unmediated
|b n
|2 rdamedia
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| 338 |
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|a volume
|b nc
|2 rdacarrier
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| 502 |
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|b Ph. D. in Geology
|c Texas A & M University
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| 520 |
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|a The Lewis overthrust emplace the Precambrian meta-sedimentary Belt Series over Cretaceous sandstones and shales. A thin (3-10 feet thick) shale shear zone separates the thrust plate from the footwall. Most of the deformation associated with the thrusting was taken up within the shear zone. Dikes of the shear zone shale were injected into the overlying plate. Fragments of plate rock suspended in the shear zone appear to have been pried loose by coalescing dikes. These features suggest that, at the time of overthrust movement, the shale behaved as a fluid medium which acted to reduce the coefficient of sliding friction on the fault. The Hubbert-Rubey (1959) hypothesis that abnormally high pore pressure reduces the critical shear stress for overthrust movement without reducing the coefficient of sliding friction appears inapplicable to the Lewis overthrust. The highly fractured plate rock in the vicinity of the shear zone create a permeability through which abnormally high pore pressure would escape. Shale lubrication provides a more tenable mechanism for reducing the critical shear stress for movement of the Lewis overthrust. ...
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| 650 |
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|a Major geology.
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| 655 |
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|a Academic theses.
|2 lcgft
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| 700 |
1 |
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|a Berg, Robert R.,
|e degree committee member.
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| 700 |
1 |
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|a Bryant, William R.,
|e degree committee member.
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| 700 |
1 |
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|a Friedman, Melvin,
|e degree committee member.
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| 700 |
1 |
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|a Handin, John W.,
|e degree supervisor.
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| 700 |
1 |
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|a Whitehouse, U. Grant,
|e degree committee member.
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| 710 |
2 |
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|a Texas A & M University,
|e degree granting institution.
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| 856 |
4 |
1 |
|u http://proxy.library.tamu.edu/login?url=http://proquest.umi.com/pqdweb?did=758222401&sid=1&Fmt=2&clientId=2945&RQT=309&VName=PQD
|z Link to ProQuest copy
|t 0
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| 856 |
4 |
1 |
|u https://hdl.handle.net/1969.1/DISSERTATIONS-181559
|z Link to OAKTrust copy
|t 0
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| 994 |
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|a C0
|b TXA
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|t 0
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| 952 |
f |
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|p noncirc
|a Texas A&M University
|b J.J. Pickle Campus
|c High Density Repository
|s HDR
|d Remote Storage
|t 0
|e 1970 Dissertation W752
|h Other scheme
|i unmediated -- volume
|m A14840940881
|
| 952 |
f |
f |
|a Texas A&M University
|b College Station
|c Electronic Resources
|s www_evans
|d Available Online
|t 0
|e 1970 Dissertation W752
|h Other scheme
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| 998 |
f |
f |
|a 1970 Dissertation W752
|t 0
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| 998 |
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|a 1970 Dissertation W752
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|