Three-Dimensional Geometry of Late Pleistocene Mixing       Zone Dolomite, Southeastern Barbados, West Indies
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{'SignBlockName': 'John A. Maccini', 'PO_EMAI': None, 'PO_PHON': None}
Three Dimensional Geometry of Late Pleistocene Mixing Zone                 Dolomite, Southeastern Barbados, West Indies.                                        Early near-surface dolomite often has no obvious relationship              to evaporitic or hypersaline diagenetic environments.  Dilute                   mixtures of meteoric and marine water are capable of both calcium               carbonate dissolution and the precipitation of dolomite.                             The best studied examples of mixed zone dolomite is in the                 Caribbean, but little is known of their geometries.  In Barbados                the geometry seems to be controlled by the paleo-hydrologic                     setting, relating to pre-Pleistocene paleotopography.  The study                will conduct a core-drilling project.  The drilled cores will be                used to study the lithology, stable isotopes, and trace elements                of the mixed zone.
{'FirstName': 'John', 'LastName': 'Humphrey', 'PI_MID_INIT': 'D', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'John D Humphrey', 'EmailAddress': 'jhumphre@mines.edu', 'NSF_ID': '000220499', 'StartDate': '01/15/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
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