Search Results - "Ashton, K.E"

New depositional age constraints for the Murmac Bay group of the southern Rae craton, Canada by Ashton, K.E., Hartlaub, R.P., Bethune, K.M., Heaman, L.M., Rayner, N., Niebergall, G.R.

“…► New age data indicate initial deposition of Murmac Bay group ca. 2.33Ga. ► Upper psammopelite deposited post-2.17Ga; possibly in foreland basin. ► Abundant…”
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Post-Taltson sedimentary and intrusive history of the southern Rae Province along the northern margin of the Athabasca Basin, Western Canadian Shield by Ashton, K.E., Hartlaub, R.P., Heaman, L.M., Morelli, R.M., Card, C.D., Bethune, K., Hunter, R.C.

“…The southern Rae Province of the western Canadian Shield underwent extensive reworking during Paleoproterozoic time. Widespread granitic plutonism and poorly…”
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The Archean Murmac Bay Group: evidence for a giant Archean rift in the Rae Province, Canada by Hartlaub, R.P, Heaman, L.M, Ashton, K.E, Chacko, T

“…The lower amphibolite to-granulite facies Archean Murmac Bay Group of the southwestern Rae Province, Canada, formed during continental extension (rifting) of…”
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Ancient (Meso- to Paleoarchean) crust in the Rae Province, Canada: Evidence from Sm–Nd and U–Pb constraints by Hartlaub, R.P., Chacko, T., Heaman, L.M., Creaser, R.A., Ashton, K.E., Simonetti, A.

“…New Sm–Nd and U–Pb data indicate that a block of ancient Mesoarchean and Paleoarchean crust (3.0–3.9 Ga) is present along the southwestern margin of the Rae…”
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U-Pb geochronology, geochemistry, and isotopic composition of granitoids across the Nolan-Zemlak domain boundary in the SW Rae craton, Laurentia: Evidence for a late Neoarchean suture reworked during Arrowsmith orogeny by Cloutier, M.A., Bethune, K.M., Ashton, K.E., Deane, J.M.K.

“…•Petrogenesis of Archean granitoids.•New U-Pb/Lu-Hf/geochemical data from granitoids in Tazin Lake region, SW Rae Craton.•The ca. 2.6 Ga Nolan suite was…”
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The Arrowsmith orogeny: Geochronological and thermobarometric constraints on its extent and tectonic setting in the Rae craton, with implications for pre-Nuna supercontinent reconstruction by Berman, R.G., Pehrsson, S., Davis, W.J., Ryan, J.J., Qui, H., Ashton, K.E.

“…► First geochronological and thermobarometric data for southern Boothia Peninsula (SBP), north-central Rae craton. ► First geochronological and…”
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Age and provenance of the Paleoproterozoic Thluicho Lake Group based on detrital zircon U–Pb SHRIMP geochronology: new insights into the protracted tectonic evolution of the southwestern Rae Province, Canadian Shield by Bethune, K.M., Hunter, R.C., Ashton, K.E.

“…The middle Paleoproterozoic Thluicho Lake Group comprises coarse-grained continental clastic rocks deposited in fault-controlled alluvial basin(s) in the…”
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Evidence for enrichment of subcontinental lithospheric mantle from Paleoproterozoic intracratonic magmas: Geochemistry and U–Pb geochronology of Martin Group igneous rocks, western Rae Craton, Canada by Morelli, R.M., Hartlaub, R.P., Ashton, K.E., Ansdell, K.M.

“…The Paleoproterozoic Martin Group, located in the Rae Craton of northwestern Saskatchewan, is a sequence of intercalated siliciclastic deposits and mafic…”
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New seismic images of the crust in the central Trans-Hudson Orogen of Saskatchewan by Pandit, B.I, Hajnal, Z, Stauffer, M.R, Lewry, J, Ashton, K.E

“…A reprocessing program to enhance the correlation between the surface geology and the seismic data has been completed for seismic line 9 (eastern 100 km) and…”
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