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physical sciences 
acasta gneiss 

2 record(s) found for principal investigator "Reimink, Jesse" (multi-year projects are grouped):
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Exploration of the Earliest Crust Forming Events on Earth
Principal Investigator: Reimink, Jesse R
Licensed Year(s): 2016
Summary: This project will use radioactive isotope systems, whole rock isotopic measurements, and isotope data for zircons to investigate the role Hadean (> 4 billion year (Ga) old) crust played in the genesis of the Slave craton of the Northwest Territories, Canada. Data of this nature for rocks from the best-studied locality in the Slave craton, the Acasta Gneiss Complex, show that these circa 3.8-4.02 G...

Petrogenesis of the Acasta Gneiss Complex: Ancient Rocks Revisited
Principal Investigator: Reimink, Jesse R
Licensed Year(s): 2014 2013 2012 2011
Summary: The objectives of this research project are to: 1) further describe, sample, and document field relationships and structures present in areas that were sampled and found to be significantly old (>3.8 billion years) during the 2011 field session; 2) explore and sample other units which based on field relationships and mineralogy are likely to be as old or older than previously documented samples; 3...