Crystal Chemical Controls on Selective Element Incorporationin Carbonates
{'Code': '06030107', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'EAR', 'LongName': 'Division Of Earth Sciences'}}
{'SignBlockName': 'Felicia Fauntleroy', 'PO_EMAI': None, 'PO_PHON': None}
The project will investigate the differences in chemistry                       for different faces on calcite with respect to the elements Mg,                 Mn, Sr, Cd, Zn, and others.  Most work will involve synthetically               produced sector zoning in calcite single crystals, since growth                 parameters can be constrained and elements to be incorporated may               be chosen.  Observations will also be made on natural materials                 for comparison.  Differences in elemental abundances between the                sectors will be determined by EPMA, which has proven adequate.                  Partitioning trends will be correlated directly with differences                in surface structure that can be predicted from several models                  based on a knowledge of the crystal structure.  Results will                    provide an understanding of which aspects of the surface structure              exert a significant influence on partitioning, and for which                    elements the influence is most important.
{'FirstName': 'Richard', 'LastName': 'Reeder', 'PI_MID_INIT': 'J', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Richard J Reeder', 'EmailAddress': 'rjreeder@stonybrook.edu', 'NSF_ID': '000304673', 'StartDate': '06/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
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{'Code': '1573', 'Text': 'Petrology and Geochemistry'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1988&All=true', 'xml': '8803423.xml'}