REU:  Deep Water Carbonate Sedimentation in the Lesser      Antilles Arc, Eastern Caribbean
{'Code': '06040200', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'OCE', 'LongName': 'Division Of Ocean Sciences'}}
{'SignBlockName': 'Bilal U. Haq', 'PO_EMAI': None, 'PO_PHON': None}
The proposed research will identify patterns, processes and                     controls of deep-water carbonate sedimentation in the Lesser                    Antilles arc.  The study will be based on analysis of Holocene                  to late Pleistocene sediments in existing piston and gravity                    cores.  The following questions will be addressed:  1. what are                 the sources and transport mechanisms of deep-water carbonate                    sediments in the arc?, 2. do the deep-water sediments record                    cyclic variations in carbonate content, carbonate mineralogy,                   and frequency of turbidites that correspond to sea level                        fluctuations?, and 3. how is carbonate sedimentation affected                   by arc volcanism and input of terrigenous detritus form South                   American sources?                                                                                                                                               A stratigraphic framework for the cores will be developed using                 foraminiferal biostratigraphy, tephrochronology, and oxygen                     isotope stratigraphy.  Detailed core descriptions, total                        carbonate analyses, thin section petrography, scanning electron                 microscopy, x-ray diffraction, and strontium determinations will                establish the distribution of carbonate, the relative                           contributions of pelagic  and neritic carbonate components, and                 the proportions of volcanic and terrigenous detritus.                                                                                                           The study represents the first in-depth analysis of modern                      deep-water carbonate sediments in a convergent margin.  It will                 complement previous studies of volcanogenic and terrigenous                     sediments in the Lesser Antilles to show how deep-water                         deposition in a volcanic arc compares with periplatform                         sedimentation in passive margin settings.  The findings will                    aid interpretation of other volcanic arc sequences, both modern                 ancient.
{'FirstName': 'R.', 'LastName': 'Reid', 'PI_MID_INIT': 'P', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'R. P Reid', 'EmailAddress': 'preid@rsmas.miami.edu', 'NSF_ID': '000266893', 'StartDate': '01/15/1989', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of Miami', 'CityName': 'CORAL GABLES', 'ZipCode': '331462509', 'PhoneNumber': '3054214089', 'StreetAddress': '1251 MEMORIAL DR', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Florida', 'StateCode': 'FL', 'CONGRESSDISTRICT': '27', 'CONGRESS_DISTRICT_ORG': 'FL27', 'ORG_UEI_NUM': 'KXN7HGCF6K91', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF MIAMI', 'ORG_PRNT_UEI_NUM': 'VNZZYCJ55TC4'}
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[{'Code': '1620', 'Text': 'Marine Geology and Geophysics'}, {'Code': '9120', 'Text': 'CROSS-DIRECTORATE PROGRAMS'}]
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1988&All=true', 'xml': '8818753.xml'}