A Middle Jurassic to early tertiary Andean-Sierran arc model for the coast belt of British Columbia
Article Abstract:
A middle Jurassic to early tertiary Andean-Sierran arc model for the coast belt of British Columbia indicates that a prolonged east dipping subduction of Pacific Ocean lithosphere beneath a single superterrane results in the formation of the middle Jurassic and Younger components of the Coast Belt. The single composite subterrane was accreted to ancestral North America in Middle Jurassic time. The continental edge shifted to a new position to the west of the accreted superterrane, due to the closure of the intervening Cache Greek-Bridge River suture. There has been no change in the overall coherence of features of the western Canadian Cordillera.
Publication Name: Tectonics
Subject: Earth sciences
ISSN: 0278-7407
Year: 1992
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Subsidence of a volcanic basin by flexure and lower crustal flow: the eastern Snake River Plain, Idaho
Article Abstract:
A study was conducted on the northwest edge crustal flexure of the eastern Snake River Plain, ID. The basin's dense load dimensions were modeled using the flexure. Results indicate lower crustal flow from the basin and density-driven subsidence. Subsidence and isostatic equilibrium were found to be caused by density-driven lower crustal flow. Exploratory wells in the area were also found to constrain the timing of subsidence.
Publication Name: Tectonics
Subject: Earth sciences
ISSN: 0278-7407
Year: 1998
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Geometry and structural evolution of the central andean backthrust belt, Bolivia
Article Abstract:
Research establishing data pertaining to the structural evolution and the geometry of the Andean backthrust belt of Bolivia is presented. Particular attention is given to the geological characteristics of the Central Andean plateau and the basement thrusts.
Publication Name: Tectonics
Subject: Earth sciences
ISSN: 0278-7407
Year: 2001
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