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The AAPG/Datapages Combined Publications Database
AAPG Special Volumes
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The tectonic framework of the Pacific is analyzed in terms of physiography, orogenic units, and linear tectonic elements. Orogenic units are classified into five categories: linear uplifts with longitudinal shears, autochthonous fold belts, vertically uplifted or tilted fault blocks, domal uplifts, and volcanic chains. Volcanic chains predominate in the open Pacific, but linear uplifts with longitudinal shears predominate around the Pacific margin.
Segmentation of the Pacific area into crustal blocks or plates bounded by geosutures is the most evident result of Pacific tectonism. The existence of the crustal blocks and of their bounding geosutures is the most significant feature of the tectonic framework of the area, regardless of the origin or importance ascribed to the geosutures in various geotectonic schemes.
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