976 resultados para Bricker, John W. (John William), 1893-1986.


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Eight lithologic facies recognized in the Mississippi Fan sediments drilled during DSDP Leg 96 are defined on the basis of lithology, sedimentary structures, composition, and texture. Of these, the calcareous biogenic sediments are of minor importance, volumetrically, as compared with the dominant resedimented terrigenous facies. Clay, mud, and silt are the most abundant sediments at all the sites drilled, with some sand and gravel in the midfan channel fill and an abundance of sand on the lower fan. Facies distribution and vertical sequences reflect the importance of sediment type and supply in controlling fan development. Sea-level changes and diapiric activity have also played an important role. Clay and sand fraction mineralogy closely mirror the dominant sediment source, namely, the Mississippi River system and adjacent continental shelf. Local and regional variation in composition on the fan mostly reflects facies differences.

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Planktonic foraminifers from the late Aptian and the Cenomanian-Turonian of Site 585, East Mariana Basin, provide new age data for western Pacific geologic events. The Aptian assemblage dates the volcaniclastic sequence from the bottom of Site 585 and includes several species newly reported from the Pacific Ocean. The Cenomanian-Turonian assemblage constrains the organic-carbon-rich anoxic strata recorded at Site 585 to the Cenomanian-Turonian oceanic anoxic event. Sporadic occurrences of mostly rare, poorly preserved planktonic foraminifers record pulses of sedimentation during the Aptian-Albian, Cenomanian-Turonian, Coniacian-Santonian, and Campanian-Maestrichtian that transported and reworked the pelagic sediments downslope to abyssal depositional environments.

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Francisco Acuña de Figueroa.--Diógenes y sus ideas.--Los poetas de la revolución.--La religion y la ciencia. (Juicio critico sobre el libro de Draper)--César Diaz.--Juna Cárlos Gomez.--Cuadros de costumbres: El gaucho. Un gobierno de otros tiempos. Las trillas.

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Cover title.

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"July, 1851"--Preface.

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Vols. 3-6, by Malleson, first appeared under title: History of the Indian mutiny, 1857-1858, commencing from the close of the second volume of Sir John Kaye's History of the Sepoy War.

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Cover title.