| Reference Type | Journal (article/letter/editorial) |
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| Title | Autometasomatic alteration of gabbro, Kap Edvard Holm intrusive complex, East Greenland |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Elsdon, R. | Author |
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| Year | 1982 | Volume | 45 |
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| Issue | 337 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_45/45-337-219.pdf+ |
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| DOI | doi:10.1180/minmag.1982.045.337.25Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 3335 | Long-form Identifier | mindat:1:5:3335:4 |
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| GUID | 0 |
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| Full Reference | Elsdon, R. (1982) Autometasomatic alteration of gabbro, Kap Edvard Holm intrusive complex, East Greenland. Mineralogical Magazine, 45 (337) 219-225 doi:10.1180/minmag.1982.045.337.25 |
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| Plain Text | Elsdon, R. (1982) Autometasomatic alteration of gabbro, Kap Edvard Holm intrusive complex, East Greenland. Mineralogical Magazine, 45 (337) 219-225 doi:10.1180/minmag.1982.045.337.25 |
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| In | (1982) Mineralogical Magazine Vol. 45 (337) Mineralogical Society |
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| Abstract/Notes | AbstractA local area of the Kap Edvard Holm Upper Layered Series gabbro has been converted into a quartz-albite-epidote ilmenite rock by leaching of iron and with a net mass loss. Among the textural changes is the dissolution of the magnetite matrix of magnetite-ilmenite lamellar intergrowths. This is an extreme example of a series of low-temperature changes occurring throughout the intrusion due to the reaction of the gabbro with a volatile-rich phase which separated during the magmatic stage and remained trapped within the walls of the intrusion. The Fe-rich fluid formed by this autometasomatic process is similar to those responsible for the genesis of Cornwall-type magnetite deposits. The probable temperature range for the process is 400–550°C. |
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