Fowler, A. D., Jensen, L. S. (1989) Quantitative trace-element modelling of the crystallization history of the Kinojévis and Blake River groups, Abitibi Greenstone Belt, Ontario. Canadian Journal of Earth Sciences, 26 (7) 1356-1367 doi:10.1139/e89-115
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Quantitative trace-element modelling of the crystallization history of the Kinojévis and Blake River groups, Abitibi Greenstone Belt, Ontario | ||
| Journal | Canadian Journal of Earth Sciences | ||
| Authors | Fowler, A. D. | Author | |
| Jensen, L. S. | Author | ||
| Year | 1989 (July 1) | Volume | 26 |
| Issue | 7 | ||
| Publisher | Canadian Science Publishing | ||
| DOI | doi:10.1139/e89-115Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 480557 | Long-form Identifier | mindat:1:5:480557:5 |
| GUID | 0 | ||
| Full Reference | Fowler, A. D., Jensen, L. S. (1989) Quantitative trace-element modelling of the crystallization history of the Kinojévis and Blake River groups, Abitibi Greenstone Belt, Ontario. Canadian Journal of Earth Sciences, 26 (7) 1356-1367 doi:10.1139/e89-115 | ||
| Plain Text | Fowler, A. D., Jensen, L. S. (1989) Quantitative trace-element modelling of the crystallization history of the Kinojévis and Blake River groups, Abitibi Greenstone Belt, Ontario. Canadian Journal of Earth Sciences, 26 (7) 1356-1367 doi:10.1139/e89-115 | ||
| In | (1989, July) Canadian Journal of Earth Sciences Vol. 26 (7) Canadian Science Publishing | ||
| Abstract/Notes | The Archean tholeiitic Kinojévis suite is characterized by an iron-enrichment trend and abundant Fe–Ti oxides in its evolved basalts, andesites, and rhyolites. The rare-earth-element (REE) patterns of the suite remain flat from the basalts through to the rhyolites, with the development of small, negative Eu anomalies. Quantitative modelling of the trace elements from little-altered samples is consistent with the mineralogy, suggesting that the suite was produced through fractional crystallization of olivine, pyroxene, plagioclase, and Fe–Ti oxides. The evolved rhyolites are interpreted as having developed by greater than 90% fractional crystallization in a high-level magma chamber.The calc-alkaline Blake River Group conformably overlies the Kinojévis rocks and is characterized by enrichment in alkalis and silica. The REE patterns are light rare-earth-element (LREE) enriched, and the felsic rocks have prominent negative Eu anomalies. Geochemical modelling shows that the suite could have developed either through fractional crystallization dominated by plagioclase and clinopyroxene or by assimilation of tonalite, coupled with fractional crystallization. | ||
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