Author: "Mortensen, James" / Journal: geology / Search Limiters: Peer Reviewed - Searchworks@Jio Institute Digital Library Search Results

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Author: Palfy, Jozsef and Mortensen, James K.
Subjects: *TRIASSIC stratigraphic geology, *BIOTIC communities
Abstract: Focuses on the Triassic-Jurassic (Tr-J) boundary transition. Importance of marine biotic events in understanding the process of mass extinction; Estimate for the age of the Tr-J boundary; Implications of the asynchrony of terrestrial and marine mass extinctions.
Published: 2000

Author: Erdmer, Phillippe and Mortensen, James K.
Subjects: *METAMORPHISM (Geology)
Abstract: Determines the age of peak metamorphism and the postmetamorphic cooling history of the metamorphic-plutonic belt in the southwestern Yukon. Geologic framework; Isotopic dating of metamorphic rocks; Tectonic implications.
Published: 1993
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Author: Piercey, Stephen J., Murphy, Donald C., Mortensen, James K., and Paradis, Suzanne
Subjects: *MAGMATISM, *STRUCTURAL geology, *BONINITE, *GEOLOGICAL modeling
Abstract: Documents boninitic magmatism within the continental Yukon-Tanana terrane in Canada. Geologic setting and stratigraphy; Geochemical characteristics of the boninitic rocks; Evidence for boninitic magmatism linked to continental crust; Petrological models explaining the thermal and petrological requirements of the Fire Lake boninites.
Published: 2001
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