Zobrazeno 1 - 10 of 22 pro vyhledávání: '"Gregory Dumond"'
2
The Athabasca Granulite Terrane and Evidence for Dynamic Behavior of Lower Continental Crust
Autor: Sean P. Regan, Michael L. Williams, Gregory Dumond
Publikováno v: Annual Review of Earth and Planetary Sciences. 46:353-386
Deeply exhumed granulite terranes have long been considered nonrepresentative of lower continental crust largely because their bulk compositions do not match the lower crustal xenolith record. A paradigm shift in our understanding of deep crust has s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a942f5d705f9a4b14db30ad6e4d4c62c
https://doi.org/10.1146/annurev-earth-063016-020625
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4
Neoarchean arc magmatism and subsequent collisional orogenesis along the eastern Rae domain, western Churchill Province: Implications for the early growth of Laurentia
Autor: Gregory Dumond, Michael L. Williams, Kevin H. Mahan, M. J. Jercinovic, Sean P. Regan, Omero Felipe Orlandini
Publikováno v: Precambrian Research. 294:151-174
The Athabasca granulite terrane, on the eastern margin of the Rae domain of the western Churchill Province, contains a well exposed record of Neoarchean magmatism, deformation, and metamorphism. Circa 2.63–2.60 Ga plutonic rocks range from 58.01 to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1843ed3b9e41afee7250c5695b5fccd
https://doi.org/10.1016/j.precamres.2017.03.010
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5
Electron Microprobe Petrochronology
Autor: Michael J. Jercinovic, Michael L. Williams, Gregory Dumond, Kevin H. Mahan
Publikováno v: Reviews in Mineralogy and Geochemistry. 83:153-182
The term petrochronology has increasingly appeared in publications and presentations over the past decade. The term has been defined in a somewhat narrow sense as “the interpretation of isotopic dates in the light of complementary elemental or isot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de22b6813a3c39af3b08ed0aac5d4c83
https://doi.org/10.2138/rmg.2017.83.5
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7
Tibetan dichotomy exposed in the Canadian Shield: A lower crustal perspective
Autor: Gregory Dumond
Publikováno v: Earth and Planetary Science Letters. 544:116375
It has been hypothesized that much of central and eastern Tibet coincides with gravitationally driven flow of weak lower continental crust. Magnetotelluric profiles throughout Tibet reveal several deep crustal zones of high conductivity inferred to r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eaf9f2b9c7853cb04226b2b2149cd1e3
https://doi.org/10.1016/j.epsl.2020.116375
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9
Contrasts in sillimanite deformation in felsic tectonites from anhydrous granulite- and hydrous amphibolite-facies shear zones, western Canadian Shield
Autor: Sean P. Regan, Gregory Dumond, Kevin H. Mahan, S. R. Leslie, Michael L. Williams
Publikováno v: Journal of Structural Geology. 71:112-124
The deformation behavior of crustal materials in variably hydrated metamorphic environments can significantly influence the rheological and seismic properties of continental crust. Optical observations and electron backscatter diffraction (EBSD) anal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d381b44c890e3219cee8e7ebea580a1b
https://doi.org/10.1016/j.jsg.2014.12.002
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