Young, Iain M. (1984) Mixing of supernatant and interstitial fluids in the Rhum layered intrusion. Mineralogical Magazine, 48 (348) 345-350 doi:10.1180/minmag.1984.048.348.04
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Mixing of supernatant and interstitial fluids in the Rhum layered intrusion | ||
| Journal | Mineralogical Magazine | ISSN | 0026-461X |
| Authors | Young, Iain M. | Author | |
| Year | 1984 (September) | Volume | 48 |
| Issue | 348 | ||
| Publisher | Mineralogical Society | ||
| Download URL | https://rruff.info/doclib/MinMag/Volume_48/48-348-345.pdf+ | ||
| DOI | doi:10.1180/minmag.1984.048.348.04Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 3640 | Long-form Identifier | mindat:1:5:3640:9 |
| GUID | 0 | ||
| Full Reference | Young, Iain M. (1984) Mixing of supernatant and interstitial fluids in the Rhum layered intrusion. Mineralogical Magazine, 48 (348) 345-350 doi:10.1180/minmag.1984.048.348.04 | ||
| Plain Text | Young, Iain M. (1984) Mixing of supernatant and interstitial fluids in the Rhum layered intrusion. Mineralogical Magazine, 48 (348) 345-350 doi:10.1180/minmag.1984.048.348.04 | ||
| In | (1984, September) Mineralogical Magazine Vol. 48 (348) Mineralogical Society | ||
| Abstract/Notes | Abstract An alternative explanation for the occurrence of chrome-spinel layers in the Eastern Layered Series of the Rhum intrusion is suggested by extreme concentrations of chrome-spinel in small-scale structures in the layer at the unit 7β8 boundary (Brown, 1956). These take the form of downward pointing cones several centimetres across and deep, and lined or wholly filled with chrome-spinel; lamination in the underlying allivalite exhibits quaquaversal dips around these cones. By comparing these structures to fluid escape structures in clastic sediments, it is proposed that spinel is the product of mixing and reaction of upward moving interstitial liquid and more primitive liquid newly emplaced in the chamber. Further evidence for the presence of a second liquid during spinel crystallization is provided by spherical silicate inclusions within spinel grains. Complex zoning in feldspars in the underlying allivalite suggests that the newly emplaced primitive liquid was able to penetrate the crystal mush on the intrusion floor. | ||
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