Naldrett, A. J., Goodwin, A. M. (1977) Volcanic rocks of the Blake River Group, Abitibi Greenstone Belt, Ontario, and their sulfur content. Canadian Journal of Earth Sciences, 14 (4) 539-550 doi:10.1139/e77-056
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Volcanic rocks of the Blake River Group, Abitibi Greenstone Belt, Ontario, and their sulfur content | ||
| Journal | Canadian Journal of Earth Sciences | ||
| Authors | Naldrett, A. J. | Author | |
| Goodwin, A. M. | Author | ||
| Year | 1977 (April 1) | Volume | 14 |
| Issue | 4 | ||
| Publisher | Canadian Science Publishing | ||
| DOI | doi:10.1139/e77-056Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 475286 | Long-form Identifier | mindat:1:5:475286:2 |
| GUID | 0 | ||
| Full Reference | Naldrett, A. J., Goodwin, A. M. (1977) Volcanic rocks of the Blake River Group, Abitibi Greenstone Belt, Ontario, and their sulfur content. Canadian Journal of Earth Sciences, 14 (4) 539-550 doi:10.1139/e77-056 | ||
| Plain Text | Naldrett, A. J., Goodwin, A. M. (1977) Volcanic rocks of the Blake River Group, Abitibi Greenstone Belt, Ontario, and their sulfur content. Canadian Journal of Earth Sciences, 14 (4) 539-550 doi:10.1139/e77-056 | ||
| In | (1977, April) Canadian Journal of Earth Sciences Vol. 14 (4) Canadian Science Publishing | ||
| Abstract/Notes | Six hundred and ninety samples of volcanic rocks from the Blake River Group of the Abitibi Greenstone Belt have analysed for sulfur on a Leco sulfur analyser. Basaltic rocks have been subdivided into komatiites, Fe-rich tholeiites, Al-rich basalts, and intermediate basalts with more than 1% TiO2 and with less than 1% TiO2. Andesites have been subdivided into Fe-rich types, Al-rich types, and others. All dacites are grouped together as are all rhyolites. Rocks of many of these subdivisions occur at more than one level within the Blake River stratigraphy. Within a given rock subdivision, the sulfur content is distributed log normally. When the geometric mean of the sulfur content of each of the subdivisions outlined above is plotted against the arithmetic mean of the FeO content, a smooth curve is obtained, with sulfur increasing markedly with increase in FeO. The data give no indication of any change in sulfur content of a given rock subdivision with stratigraphic height. The arithmetic mean of the sulfur content of each rock subdivision also increases with the mean FeO content, although less smoothly than the geometric mean. The arithmetic means of sulfur content fall within the scatter of points obtained experimentally for the sulfur content of sulfur saturated basalts, supporting the contention that the Blake River rocks may have been saturated with sulfur at the time of their extrusion. | ||
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