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Characterization and chronology of refractory inclusions (CAIs) in the CV3 chondrite NWA 4502

Sapah, Marian Selorm


In this thesis I report the petrographic, elemental and isotopic (oxygen, Al-Mg, Rb-Sr and uranium) compositions as well as U-Pb ages of five coarse-grained igneous inclusions (Type A CAIs 1 and 4a, Type B CAIs 5, 6 and 7) from the CV chondrite North West Africa (NWA) 4502 the second largest CV chondrite so far after Allende. At a mineralogical level, NWA 4502 is rather pristine. In comparison with CAIs from Allende and other CV chondrites, CAIs from the NWA 4502 show many similarities with...[Show more]

CollectionsOpen Access Theses
Date published: 2015
Type: Thesis (PhD)
DOI: 10.25911/5d6c3910e10e8


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