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Strens, R. G. J., Freer, R., Firman, R. J. (1987) Stability of chlorite-quartz assemblages in rocks south and west of Keswick, Cumbria. Mineralogical Magazine, 51 (363) 649-654 doi:10.1180/minmag.1987.051.363.03

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Reference TypeJournal (article/letter/editorial)
TitleStability of chlorite-quartz assemblages in rocks south and west of Keswick, Cumbria
JournalMineralogical MagazineISSN0026-461X
AuthorsStrens, R. G. J.Author
Freer, R.Author
Firman, R. J.Author
Year1987 (December)Volume51
Issue363
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_51/51-363-649.pdf+
DOIdoi:10.1180/minmag.1987.051.363.03Search in ResearchGate
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Mindat Ref. ID1437Long-form Identifiermindat:1:5:1437:7
GUID0
Full ReferenceStrens, R. G. J., Freer, R., Firman, R. J. (1987) Stability of chlorite-quartz assemblages in rocks south and west of Keswick, Cumbria. Mineralogical Magazine, 51 (363) 649-654 doi:10.1180/minmag.1987.051.363.03
Plain TextStrens, R. G. J., Freer, R., Firman, R. J. (1987) Stability of chlorite-quartz assemblages in rocks south and west of Keswick, Cumbria. Mineralogical Magazine, 51 (363) 649-654 doi:10.1180/minmag.1987.051.363.03
In(1987, December) Mineralogical Magazine Vol. 51 (363) Mineralogical Society
Abstract/NotesAbstractChlorite minerals from six distinctive chlorite-quartz parageneses in central Borrowdale have been studied. All specimens were 14Å (IIb) chlorites. Cell parameters and β refractive index exhibit an approximate linear dependence on composition for the range Fe/(Fe + Mg) = 0.46 to 0.84. The data indicate an apparent trend that chlorite iron content increases with temperature. This is in conflict with experimental studies (Flemming and Fawcett, 1976), and it is inferred that the observed compositional variations reflect the availability of iron in the veins rather than a dependence on temperature.


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