| Reference Type | Journal (article/letter/editorial) |
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| Title | Oxygen-isotope composition and temperature of fluids involved in deposition of Proterozoic sedex deposits, Sudbury Basin, Ontario |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Davies, J. F. | Author |
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| Leroux, M. V. | Author |
| Whitehead, R. E. | Author |
| Goodfellow, Wayne D. | Author |
| Year | 1990 (October 1) | Volume | 27 |
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| Page(s) | 1299-1303 | Issue | 10 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e90-139Search in ResearchGate |
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| Mindat Ref. ID | 480690 | Long-form Identifier | mindat:1:5:480690:9 |
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| GUID | 92f767d3-3cdd-4f32-9496-499b1e8a957a |
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| Full Reference | Davies, J. F., Leroux, M. V., Whitehead, R. E., Goodfellow, Wayne D. (1990) Oxygen-isotope composition and temperature of fluids involved in deposition of Proterozoic sedex deposits, Sudbury Basin, Ontario. Canadian Journal of Earth Sciences, 27 (10) 1299-1303 doi:10.1139/e90-139 |
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| Plain Text | Davies, J. F., Leroux, M. V., Whitehead, R. E., Goodfellow, Wayne D. (1990) Oxygen-isotope composition and temperature of fluids involved in deposition of Proterozoic sedex deposits, Sudbury Basin, Ontario. Canadian Journal of Earth Sciences, 27 (10) 1299-1303 doi:10.1139/e90-139 |
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| In | (1990, October) Canadian Journal of Earth Sciences Vol. 27 (10) Canadian Science Publishing |
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| Abstract/Notes | Sedex Cu–Pb–Zn deposits in the Sudbury Basin were deposited on the sea floor from fluids in which δ18O = −1‰ and at temperatures around 170 °C. Distal Mn-bearing sediments were deposited in seawater in which δ18O ≈ −3‰ and at temperatures around 125 °C. The fluids at the vent site (δ18O ≈ −1‰) probably represent a mixture of normal seawater and isotopically positive hydrothermal fluid generated in the substrate by seawater–rock reactions. The heat source responsible for convection and venting onto the sea floor and into the water column was the underlying Sudbury Irruptive, which was emplaced immediately following deposition of the Onaping Formation, directly above which the sedex deposits lie. |
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