Kinematic analysis of the San Juan thrust system, Washington: discussion and reply
Article Abstract:
An earlier study in the Late Cretaceous San Juan-Cascade orogen of Washington and British Columbia proposed strike-parallel transpressive shearing as responsible for the structures in the area. It is argued that the kinematic significance of structures associated with the fault zones are misinterpreted and suggest the presence of two superimposed deformational fabrics in the fault zones. The original authors contend that the two sandstone fabrics display the same orientations, kinematic age and relative age similar to the shear-zone fabrics and are, therefore, products of thrust mechanisms.
Publication Name: The Geological Society of America Bulletin
Subject: Earth sciences
ISSN: 0016-7606
Year: 1993
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Mesozoic tectonics and metamorphism in Pequop Mountains and Wood Hills region, northeast Nevada: implications for the architecture and evolution of the Sevier orogen: discussion and reply
Article Abstract:
Camilleri et al. are accurate in their description of temperature and pressure changes in the Ruby Mountains-East Humboldt areas of Nevada although their analysis of Sevier deformation is not backed up by solid data. Furthermore, the authors' method of identifying age limits of a fault through the linking of a metamorphic event that has no chronological certitude and a thrust whose orientation is not determined cannot be considered a valid method.
Publication Name: The Geological Society of America Bulletin
Subject: Earth sciences
ISSN: 0016-7606
Year: 1998
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The active southwest margin of the Colorado Plateau: uplift of mantle origin: discussion and reply
Article Abstract:
The conclusion of T. Parsons and J. McCarthy on their seismic study of the Colorado Plateau is problematic. One problem is that the elevation map of the northeast-southwest line and the digital-elevation database used were erroneously transposed. Another is the failure to include a large part of the Colorado Plateau interior, which includes the reference column, in their lithospheric-mass calculations.
Publication Name: The Geological Society of America Bulletin
Subject: Earth sciences
ISSN: 0016-7606
Year: 1999
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