Mineral facies in the Tertiary of the continental shelf and Blake Plateau

Author(s): Weaver, Charles E.
Volume Title: Southeastern Geology
Source: Southeastern Geology, 9(2), p.57-63. Publisher: Duke University, Department of Geology, Durham, NC, United States. ISSN: 0038-3678 CODEN: SOGEAY
Note: In English; illus.
Summary: X-ray analyses of JOIDES core samples from the Continental Shelf and Blake Plateau [off Florida] show the presence of a variety of authigenic materials. Calcite is the dominant carbonate mineral in the Eocene and Oligocene sediments. In the Miocene sediments dolomite is the dominant carbonate mineral in the west and calcite in the east. Phosphatic sand is abundant in the Miocene shelf facies. K-feldspar is a major component of the western Eocene limestone residues and clinoptilolite of the eastern Eocene and Oligocene. The Lower Miocene contains an abundance of attapulgite and sepiolite, and the Upper Miocene montmorillonite. The pre-Miocene silicate minerals are believed to be largely authigenic and the post-Oligocene ones largely detrital.
Year of Publication: 1968
Research Program: DSDP Deep Sea Drilling Project
Key Words: 06 Petrology, Sedimentary; Areal studies; Atlantic Ocean; Cenozoic; Clay mineralogy; Continental margin; Continental shelf; Facies; Florida; Florida shelf to Blake Plateau; Lithofacies; Mineral facies; Mineralogy; Sedimenatry rocks; Sedimentary rocks; Shelf to Blake Plateau; Tertiary; United States; Well cores; Wells and drill holes
Record ID: 1968053395
Copyright Information: GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Bibliography and Index of North American Geology, U. S. Geological Survey, Reston, VA, United States

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