EarthRef.org Reference Database (ERR) -- Engel & Engel 1963

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Engel & Engel 1963

Engel, C.G. and Engel, A.E.J. (1963). Basalts dredged from the northeastern Pacific Ocean. Science 140(3573): 1,321-1,324.

Volcanic rocks dredged from seamounts, fault ridges, and other major geological features of the NE. Pacific Ocean include a wide variety of basalts. Most of these are vesicular, porphyritic types with near analogues in the Hawaiian and other oceanic islands. In addition, aluminous basalts and diabasic tholeiites impoverished in K also occur. There is no simple correlation of composition, degree of oxidation, vesiculation, or hydration of these basalts with texture, or depth of dredge site. Most samples appear to have been extruded at much shallower depths than those now found at the dredge site. The distribution of these basalts suggests that the andesite line coincides with or lies on the continent side of the foot of the continental slope.

Keywords
basalts; basalts dredged from seamounts and fault ridges; bottom, features; Composition and textures; crust; dredged from seamounts, and fault ridges; igneous rocks; marine geology; northeastern;, Pacific Ocean; petrology; volcanic rocks, 05 Igneous and metamorphic petrology; 07 Oceanography

Journal
Science
http://www.sciencemag.org/

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