Isotopic Studies of Crust-Mantle Evolution and Related      Magmatic Processes
{'Code': '06030107', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'EAR', 'LongName': 'Division Of Earth Sciences'}}
{'SignBlockName': 'John L. Snyder', 'PO_EMAI': None, 'PO_PHON': None}
Measurements of the isotopic composition of the elements Sr, Nd,                Ca, and O, and concentrations of Rb, Sr, Sm, Nd, K, Ca, and other               major and trace elements will be made on rocks and minerals in                  order to address problems pertaining to the evolution and                       geochemical structure of the continental crust, the evolution of                magmas in the crust, and the isotopic evolution of the mantle in                Precambrian time.  Particular problems that will be addressed are               the composition of the lower parts of the continental crust (with               K-Ca isotopes in conjunction with Rb-Sr, Sm-Nd, and O), the                     introduction and dispersal of contaminants into mafic magma                     chambers and the implications for magma chamber convection and                  crystallization modes, and the Sr isotopic evolution of the                     mantle in Proterozoic time and its implications for continental                 lithosphere recycling and models for crust-mantle evolution.                    Subjects of study will be island arc rocks and systematic                       collections of granitic rocks from Precambrian terranes for the                 K-Ca studies, the Stillwater and Muskox intrusions for the magma                chamber studies, and ca. 1.8 Gyr mafic and intermediate intrusive               rocks from central Arizona for the mantle evolution studies.                    This support is for a time period of less than one year in order                to complete ongoing activities prior to the completion of a new                 laboratory at the University of California, Berkeley.
{'FirstName': 'Donald', 'LastName': 'DePaolo', 'PI_MID_INIT': 'J', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Donald J DePaolo', 'EmailAddress': 'depaolo@eps.berkeley.edu', 'NSF_ID': '000173781', 'StartDate': '02/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of California-Los Angeles', 'CityName': 'LOS ANGELES', 'ZipCode': '900244200', 'PhoneNumber': '3107940102', 'StreetAddress': '10889 WILSHIRE BLVD STE 700', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'California', 'StateCode': 'CA', 'CONGRESSDISTRICT': '36', 'CONGRESS_DISTRICT_ORG': 'CA36', 'ORG_UEI_NUM': 'RN64EPNH8JC6', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF CALIFORNIA, LOS ANGELES', 'ORG_PRNT_UEI_NUM': None}
{'Name': None, 'CityName': None, 'StateCode': None, 'ZipCode': None, 'StreetAddress': None, 'CountryCode': None, 'CountryName': None, 'StateName': None, 'CountryFlag': None, 'CONGRESSDISTRICT': None, 'CONGRESS_DISTRICT_PERF': '""'}
{'Code': '1573', 'Text': 'Petrology and Geochemistry'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1987&All=true', 'xml': '8720609.xml'}