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| 02084cam 2200289za 4500 |
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001 | 9.859096 |
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003 | CaOODSP |
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005 | 20221107160153 |
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007 | cr ||||||||||| |
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008 | 180713s2018 oncabd ob f000 0 eng d |
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040 | |aCaOODSP|beng |
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043 | |an-cn-qu |
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086 | 1 |aM183-2/8385E-PDF |
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100 | 1 |aPinet, N. |
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245 | 14|aThe ups and downs of the Canadian Shield. |n2, |pPreliminary results of apatite fission-track analysis from a 3.6 km vertical profile, LaRonde mine, Quebec |h[electronic resource] / |cN. Pinet. |
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260 | |a[Ottawa] : |bNatural Resources Canada, |c2018. |
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300 | |a43 p. : |bcol. charts, col. ill., maps (some col.). |
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490 | 1 |aOpen file ; |v8385 |
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504 | |aIncludes bibliographical references (p. 20-22). |
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520 | 3 |a"The low-temperature (120-60°C) thermal history of eight samples from a 3.6 km vertical depth profile in the LaRonde Mine (Archean Abitibi greenstone belt, Quebec) has been investigated using apatite fission-track (AFT) analysis. All samples correspond to greywackes of the Cadillac Formation. The AFT ages show a clear younging relationship with depth (increasing temperature), as expected for samples that maintained constant relative depths over time. Ages vary from 413 ± 51 Ma near the surface, to 148.5 ± 6.3 Ma for the deepest sample. Forward and inverse modeling indicate that a scenario with a constant temperature or minor heating during the Paleozoic better accounts for the fission track length distributions than a scenario with a constant cooling rate. These results support the possibility that the Abitibi region was covered by a sedimentary succession of moderate thickness during the Paleozoic"--Abstract, p. 2. |
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693 | 4|aShields (Geology) |
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693 | 4|aFission track dating |
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693 | 4|aQuébec (Province) |
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710 | 1 |aCanada. |bNatural Resources Canada. |
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710 | 2 |aGeological Survey of Canada. |
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830 | #0|aOpen file (Geological Survey of Canada)|v8385.|w(CaOODSP)9.506878 |
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856 | 40|qPDF|s6.70 MB|uhttps://publications.gc.ca/collections/collection_2018/rncan-nrcan/m183-2/M183-2-8385-eng.pdf |
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