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Saturday, July 25, 2020 | History

2 edition of Carbonate sediments, Great Bahama Bank found in the catalog.

Carbonate sediments, Great Bahama Bank

Edward G. Purdy

Carbonate sediments, Great Bahama Bank

a guidebook for field trip no. 2, Geological Society of America Convention, November 1964

by Edward G. Purdy

  • 23 Want to read
  • 15 Currently reading

Published by s.n. in [Miami, Fla .
Written in English

    Subjects:
  • Rocks, Carbonate.,
  • Petrology -- Great Bahama Bank.,
  • Calcium carbonate.

  • Edition Notes

    Includes bibliographical references.

    Statementby Edward G. Purdy and John Imbrie.
    SeriesField trip guidebook / Geological Society of America -- 1964, no.2, Guidebook series (Geological Society of America) -- 1964, no. 2.
    ContributionsImbrie, John., Geological Society of America., Geological Society of America. (1964 : Miami, Fla.)
    The Physical Object
    Pagination66 p. :
    Number of Pages66
    ID Numbers
    Open LibraryOL21770698M

    By far the largest part of the Bahamas, some , km 2, lies beneath the sea (Newell, ). Of interest here are the vast shallow (Great Bahama Bank (GBB), the Little Bahama Bank (LBB), and the smaller banks extending far to the southeast, encompassing about , km 2 (Bergman et al., ). The shallow banks from.   The Great Bahamas Bank was initiated by the accumulation of a mix of siliciclastic, carbonates and evaporites in the Late Triassic and Early Jurassic but most of the sedimentary fill is from the Jurassic to Holocene is composed of carbonate sediments with the thickest sections occuring in the Cretaceous and Tertiary (Eberli and Ginsburg, ).

    The Bahama Banks are the submerged carbonate platforms that make up much of the Bahama Archipelago. The term is usually applied in referring to either the Great Bahama Bank around Andros Island, or the Little Bahama Bank of Grand Bahama Island and Great Abaco, which are the largest of the platforms, and the Cay Sal Bank north of islands of these banks are politically part of the Bahamas. dolomite in Tertiary sediments retrieved from sequence of slope sediments compo sed of fine-tw o cores, Clino and Unda, drilled near the sand to silt-sized skeletal and non-skeletal w estern margin of Great Bahama Bank (GBB) grains interrupted by intervals of coarse-(Fig. 1). These two cores were drilled as part grained skeletal Size: KB.

    A reevaluation of facies on Great Bahama Bank II: variations in the δ13C, δ18O and mineralogy of surface sediments Stable isotopes of carbon and oxygen in modern sediments of carbonate platforms, barrier reefs, atolls and ramps: patterns and implications A tale of two storms: an integrated field, remote sensing, and modelling study. Isolated Carbonate Platforms – Lessons Learned from Great Bahama Bank* By Gregor P. Eberli1, Paul M. (Mitch) Harris2, G. Michael Grammer3 Search and Discovery Article # () Posted J * Adapted from oral presentation at AAPG Annual Convention, Houston Texas, March ,


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Carbonate sediments, Great Bahama Bank by Edward G. Purdy Download PDF EPUB FB2

This area is one of the most instructive in the world for studies of the origins of marine limestones. Calcium carbonate sediments virtually free from terrigenous materials are being formed in easily accessible sites and under a variety of conditions. Oolite and aragonite ooze are being formed on a scale probably unequaled elsewhere.

select article Chapter 3 Recent Carbonate Environments 1: General Introduction and the Great Bahama Bank.

The calcium carbonate sediments mantling the Great Bahama Bank have attracted the attention of a number of geologists seeking answers to problems of limestone genesis.

This region has been the subject of several carbonate deposition studies, but many problems remain concerning the distribution, origin, and diagenesis of the carbonate grain by: The comparison of seismic and core data from the western Great Bahama Bank with the exhumed Maiella Platform margin and its adjacent slope in the Apennines of Italy.

In situ porosity and permeability were measured on Great Bahama Bank sediments using electrical conductivity and permeability probes. Core samples were recovered at the probe measurement sites for laboratory determinations of porosity and by: In situ porosity and permeability of selected carbonate sediment: Great Bahama Bank.

Part 1: Measurements. Applied Carbonate sediments in Environmental Sciences Nonprofit, Inc. In situ porosity and permeability were measured on Great Bahama Bank sediments using electrical conductivity and permeability probes.

The second part of this study deals with the preservation of Pliocene to Holocene carbonate sediments from both the windward and leeward basins adjacent Carbonate sediments Great Bahama Bank (Ocean Drilling Program Sites, and ).

Detailed census counts of the sand fraction ( µm) show the general composition of the coarse grained : Johanna Schwarz. carbonate sediments from both the windward and leeward basins adjacent to Great Bahama Bank (Ocean Drilling Program Sites, and ).

Detailed census counts of the sand fraction ( µm) show the general composition of the coarse grained sediment. FurtherFile Size: 2MB. Several parameters of water samples collected from Grand Bahama Bank in June and in June were measured.

They include the partial pressure of CO2, the total dissolved inorganic CO2, the C14/C12 ratio in the inorganic CO2, and the CaCO3 saturation (by the Weyl saturometer). Get this from a library. Carbonate sediments, Great Bahama Bank: a guidebook for field trip no. 2, Geological Society of America Convention, November [Edward G Purdy; John Imbrie; Geological Society of America.

Annual Meeting]. These studies are concerned with Bob's areas of passion: coral reefs and sea-level; submarine cementation and formation of beach rock; surface sediments on Great Bahama Bank and other platforms; origin of ooids; coastal sediments; formation of stromatolites; impact of storms on sediments; and the formation of dolomite.

Title: The great Bahama Bank; studies in marine carbonate sediments: Authors: Field, R. Publication: American Journal of Science, is pp. These studies are concerned with Bob's areas of passion: coral reefs and sea-level; submarine cementation and formation of beach rock; surface sediments on Great Bahama Bank and other platforms; origin of ooids; coastal sediments; formation of stromatolites; impact of storms on sediments; and the formation of : Peter K.

Swart. The calcium carbonate sediments mantling the Great Bahama Bank have attracted the attention of a number of geologists seeking answers to problems of limestone genesis. This region has been the subject of several carbonate deposition studies, but many problems remain concerning the distribution, origin, and diagenesis of the carbonate grain types.

Whitings (patches of suspended fine-grained calcium carbonate) on the Great Bahama Bank (GBB) have been studied since the s. The source and cause of these whitings have been hotly debated for a number of by: This special publication Perspectives in Carbonate Geology is a collection of papers most of which were presented at a symposium to honor the 80th birthday of Bob Ginsburg at the meeting of Geological Society of America in Salt Lake City in The majority of the papers in this publication are connected with the study of modern carbonate sediments.

Sediments are composed by reef fragments, hard parts of organisms and, if the platform is epicontinental, also by a terrigenous contribution. In some lagoons (e.g., the Florida Bay), green algae produce great volumes of carbonate mud.

Rocks here are mudstones to. Numerous workers have studied the surface sediments of the Bahamas over the past years. In chronological order these included, Vaughan, Drew, Black, Field, Illing, Ginsburg, Newell, Purdy, and Enos. These early efforts set the stage for the sediment distribution maps of Ginsburg and Purdy, revealing a carbonate platform dominated by non-skeletal carbonates such as whitings, ooids, Author: Peter Swart, Gregor Eberli, Sam Purkis, Mitch Harris, Don McNeill.

Introduction [2] The Great Bahama Bank (GBB) is the largest shallow‐water carbonate platform of the Bahamian archipelago with an average water depth of less than 10 m slightly deepening to the north [Boss and Rasmussen, ].On the eastern, windward side, Andros Island is elevated several meters above sea level and is adjacent to the Tongue of the Ocean, an m deep basin cutting into Cited by: Statistical analysis of the constituent composition and grain-size data accumulated for Bahamian sediment samples resulted in the delineation of the following five facies: (1) coralgal facies-characterized by a relative abundance of skeletal grains, particularly coral and calcareous algae fragments; (2) oölitic facies-characterized by an abundance of oölitically coated grains; (3 Cited by:.

Holocene Atlantic climate variations deduced from carbonate peri-platform sediments (leeward margin, Great Bahama Bank). Paleoceanography, Vol. 19, No. .Reefs and islands in the Bimini area block off‐bank sediment export, and shoals and tidal deltas from Cat Cay to the south reduce the density cascading processes.

Numerous small and large slope failure scars show the instability of the steep slopes of Great Bahama Bank. Bottom currents dominate the lower slope and the by: 4.RECENT CALCIUM CARBONATE FACIES OF THE GREAT BAHAMA BANK.

2. SEDIMENTARY FACIES' EDWARD G. PURDY Rice University, Houston, Texas ABSTRACT Statistical analysis of the constituent composition and grain-size data accumulated for Bahamian sediment samples resulted in the delineation of the following five facies: (1) coralgal facies-characterized.