Radiometric ages: |
Object dated: Host Rocks(3); Age - Ma: 1,690; Dating method: Rb-Sr; Concentrate: whole rock; Source rock: paragneiss and granitic gneiss; Event dated: paleo-weathering; Interpretive comment: the age is close to Rb-Sr ages from other parts of the basin on the sub-Athabasca paleo-regolith; Reference: Harper, C. T., 1996: Geology of the Maurice Bay Area, Saskatchewan; In Report of Activities, Edited by Anonymnous, Paper, Geological Survey of Saskatchewan, p. 21 - 23
Object dated: Mineralogy(2); Age - Ma: 750; +26; -26; Dating method: U-Pb; Concentrate: pitchblende; Source rock: vein; Formal name: basement-hosted mineralization; Event dated: mineralization (hypogene); Interpretive comment: based on the least discordant data on 4 pitchblendes within a few cm, from core of DDH-12 on Zone 2A; Reference: Höhndorf, A.; Voultsidis, V.; von Pechmann, E., 1985: U/Pb Isotopic Investigations of the Maurice Bay Uranium Deposit, Saskatchewan, Canada; Chapter 2, Section Unconformity-type Deposits in Saskatchewan, In Geology of Uranium Deposits, Edited by Sibbald, T. I. I.; Petruk, W., Special Volume, The Canadian Institute of Mining and Metallurgy, The Canadian Institute of Mining and Metallurgy, 32, 268 p., p. 151 - 154
Object dated: Mineralogy(2); Age - Ma: 1,196; +24; -24; Dating method: U-Pb; Concentrate: pitchblende; Source rock: uranium ore; Formal name: basement-hosted mineralization; Event dated: mineralization (early); Interpretive comment: oldest apparent Pb207/Pb206 age on sample 6476 from DDH-503 at 116.7 m; east margin of the Main zone; Reference: Höhndorf, A.; Voultsidis, V.; von Pechmann, E., 1985: U/Pb Isotopic Investigations of the Maurice Bay Uranium Deposit, Saskatchewan, Canada; Chapter 2, Section Unconformity-type Deposits in Saskatchewan, In Geology of Uranium Deposits, Edited by Sibbald, T. I. I.; Petruk, W., Special Volume, The Canadian Institute of Mining and Metallurgy, The Canadian Institute of Mining and Metallurgy, 32, 268 p., p. 151 - 154
Object dated: Mineralogy(1); Age - Ma: 400; +15; -160; Dating method: U-Pb; Concentrate: whole ore; Source rock: uranium ore; Formal name: mineralization in Athabasca sandstone; Event dated: mineralization, remobilized; Interpretive comment: apparent Pb207/Pb206 ages of 9 sandstone samples are in 400-300 Ma range indicating repeated Pb loss; Reference: Höhndorf, A.; Voultsidis, V.; von Pechmann, E., 1985: U/Pb Isotopic Investigations of the Maurice Bay Uranium Deposit, Saskatchewan, Canada; Chapter 2, Section Unconformity-type Deposits in Saskatchewan, In Geology of Uranium Deposits, Edited by Sibbald, T. I. I.; Petruk, W., Special Volume, The Canadian Institute of Mining and Metallurgy, The Canadian Institute of Mining and Metallurgy, 32, 268 p., p. 151 - 154 |
References: |
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Card, C., 2002 |
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Subdivision of the Churchill Province and Extent of the Trans-Hudson Orogen |
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