| Reference Type | Journal (article/letter/editorial) |
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| Title | Precise U–Pb zircon ages from the Gamitagama greenstone belt, southern Superior Province |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Krogh, T. E. | Author |
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| Turek, A. | Author |
| Year | 1982 (April 1) | Volume | 19 |
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| Issue | 4 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e82-071Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 477461 | Long-form Identifier | mindat:1:5:477461:1 |
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| GUID | 0 |
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| Full Reference | Krogh, T. E., Turek, A. (1982) Precise U–Pb zircon ages from the Gamitagama greenstone belt, southern Superior Province. Canadian Journal of Earth Sciences, 19 (4) 859-867 doi:10.1139/e82-071 |
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| Plain Text | Krogh, T. E., Turek, A. (1982) Precise U–Pb zircon ages from the Gamitagama greenstone belt, southern Superior Province. Canadian Journal of Earth Sciences, 19 (4) 859-867 doi:10.1139/e82-071 |
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| In | (1982, April) Canadian Journal of Earth Sciences Vol. 19 (4) Canadian Science Publishing |
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| Abstract/Notes | Volcanism in the Gamitagama Lake greenstone belt, 50 km south of Wawa, Ontario, on the east shore of Lake Superior, took place [Formula: see text] ago at the same time as similar volcanism in the much larger Abitibi greenstone belt to the east. Two post-orogenic intrusions in the metavolcanic–metasedimentary terrain are coeval at [Formula: see text] and [Formula: see text] and could very well be comagmatic as suggested by Ayres. A granitic sill in a metasedimentary–granitic migmatite terrain that borders the greenstone belt to the southwest has an age of 2615 ± 10 Ma and is much younger than the post-orogenic plutons to the northeast. This migmatite region represents either an uplifted deep zone that remained hot long after volcanism or a region that accumulated heat as a result of its sedimentary cover. |
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