2 dossier(s) trouvé(s) portant l’étiquette "isotopes" (les projets pluriannuels sont regroupés):
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Petrogenesis of the Acasta Gneiss Complex: Ancient rocks revisited.
chercheur principal: Reimink, Jesse R
Année(s) de permis: 2014 2013 2012 2011
Résumé: This study has the following specific objectives: 1) Collect samples from this very ancient and rare set of rocks, while documenting field relationships and structures present in the complex rock outcroppings of the Acasta Gneiss Complex (AGC); 2) Determine the major- and trace-element composition of the rocks and compare these to published data on broadly similar rocks formed later in Earth histo...


Estimation of Atmospheric Fluxes of Polychlorinated Biphenyls (PCB) and Pesticides to the Southern Hudson Bay Region by Analysis of Dated Lake Sediments
chercheur principal: Hermanson, Mark
Année(s) de permis: 1994 1993 1992 1990
Résumé: The Researcher and his assistant will collect sediment cores from two lakes (Annak and Imitavik) in the Sanikiluaq area. Cores will be sliced into horizontal sections and will be analyzed for radioisotopes used to identify ages of the sediment layers. The sections will also be analyzed for organic compounds....


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