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Book Modern Beach Sediment Dynamics and Depositional Features with Holocene Analogs at Sandy Point San Salvador Island Bahamas

Download or read book Modern Beach Sediment Dynamics and Depositional Features with Holocene Analogs at Sandy Point San Salvador Island Bahamas written by Nicholas T. Loizeaux and published by . This book was released on 1991 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book A Paleoenvironmental Analysis of the Holocene Sediments of Pigeon Creek San Salvador Island Bahamas

Download or read book A Paleoenvironmental Analysis of the Holocene Sediments of Pigeon Creek San Salvador Island Bahamas written by Stephanie Anne Ogarek and published by . This book was released on 2001 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Modern Carbonate Sediments of Southern Florida Bahamas and Esp ritu Santo Island Baja California

Download or read book Modern Carbonate Sediments of Southern Florida Bahamas and Esp ritu Santo Island Baja California written by William Harrison Taft and published by Stanford University Press. This book was released on 1964 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Pleistocene and Holocene Carbonate Environments on San Salvador Island Bahamas

Download or read book Pleistocene and Holocene Carbonate Environments on San Salvador Island Bahamas written by Harold Allen Curran and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Pleistocene and Holocene Carbonate Environments on San Salvador Island Bahamas

Download or read book Pleistocene and Holocene Carbonate Environments on San Salvador Island Bahamas written by H. Allen Curran and published by American Geophysical Union. This book was released on 1991-01-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Field Trip Guidebooks Series, Volume 175. Although isolated and small in size, San Salvador Island is in many ways a unique place—an all carbonates setting on a small, tectonically stable platform, surrounded by deep oceanic waters, and an historical footnote as the widely accepted first landing site of Christopher Columbus in the New World in 1492. Columbus' stay here was brief, and the major events of subsequent history largely have passed San Salvador by. This is not a tourist island; the natural beauty, floras, and faunas of the Bahamas are well preserved here. The overview theme of this series of field excursions on San Salvador will be interpretation of paleodepositional environments for the well-exposed Pleistocene and Holocene carbonate rocks that cap the island and recognition of modem analogues from the varied carbonate environments found on the island and its surrounding shelf. Questions of sea level history, diagenetic change, and the surficial processes operating on carbonate island terranes also will be considered. Our trip will begin with a low-attitude overflight to view features of the main Bahama platform enroute to San Salvador, which lies just beyond the eastern edge of the platform.

Book Proceedings of the Sixth Symposium on the Geology of the Bahamas

Download or read book Proceedings of the Sixth Symposium on the Geology of the Bahamas written by Brian N. White and published by . This book was released on 1993 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Geology of Columbus Landfall

Download or read book The Geology of Columbus Landfall written by Mark Robert Boardman and published by . This book was released on 1992 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Paleotempestology and Depositional History of Clear Pond San Salvador Island Bahamas

Download or read book Paleotempestology and Depositional History of Clear Pond San Salvador Island Bahamas written by Mark R. Dalman and published by . This book was released on 2009 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The field of paleotempestology has gained more awareness in the past decade as a result of increased hurricane intensity, quantity, and duration within the late Holocene. One of the best localities to find records of hurricane overwash deposits is in the Bahamian islands. San Salvador Island, Bahamas (SSI) is a small (150km2), isolated carbonate platform, that contains shallow (0.5-3m) saline lakes that occur in between interdune areas of arcuate dune ridges. Due to San Salvador Island's location within the Bahamian archipelago and the Atlantic Ocean, the island is poised to record hurricane strikes and the record of these events can be found in coastal lakes. Clear Pond is a shallow (~1m), variably saline (16-30 ppt) lake in the southwestern edge of the island, that is separated from the Atlantic Ocean by Holocene dunes. It was a previously uncharacterized pond, but like many other depositional environments on San Salvador, it is constantly recording climatic and anthropogenic changes on the island. This study addresses the following questions: 1) Is there a seasonal salinity variation within the pond and what is the general limnology of the pond, 2) Can we identify large storm events in the sedimentary record of Clear Pond, and 3) What is the depositional history for Clear Pond for the past 4000 years? Nine sediment cores, ranging in length from 50 to 150 cm, were recovered from Clear Pond. The cores were analyzed for organic and carbonate content, dry bulk density, grain size, sediment fabric, and mollusk and ostracode composition. Additionally, x-ray fluorescence, spectrophotometry, and x-radiography were carried out on sediment cores. Salinity varied from brackish conditions in the summer and fall to more marine during the winter and spring seasons. It was also influenced by a previously uncharacterized karst conduit. Large storm events were identified through an increase in grain size and dry bulk density, and additionally by x-radiographs. A catastrophic hurricane recurrence interval of 478 years and an annual landfall probability of 0.21% were found as well. The record of Clear Pond indicates an average sedimentation rate of 2.3 cm/ 100 years which suggests the record recovered is at least 5200 years old. These cores record a major climatic shift occurring at 1460 ybp which correlates with the end of a documented Caribbean dryness period. The facies shift is from a sand and mud laminated facies to a recent, massive bioturbated facies. The record documents multiple hurricane strikes from 1600-3400 ybp which supports a hurricane 'hyperactivity period' from 1000- 3000 ybp from other areas in the Atlantic and Gulf of Mexico. These large storm events are linked to two large-scale climate mechanisms, the location of the Bermuda high and the strength of the North Atlantic Oscillation. The ability to characterize and identify past overwash deposits in the Bahamas may be useful in climate reconstruction and landfall probability assessments. These results are the first proxy records for hurricane strikes on the west coast of San Salvador Island."--Abstract.

Book Modern Carbonate Sediment Production and Its Relation to Bottom Variability Graham s Harbor San Salvador Bahamas

Download or read book Modern Carbonate Sediment Production and Its Relation to Bottom Variability Graham s Harbor San Salvador Bahamas written by Michael E. Armstrong and published by . This book was released on 1989 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: