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Read, H. H. (1934) On zoned associations of antigorite, talc, actinolite, chlorite, and biotite in Unst, Shetland Islands. Mineralogical Magazine and Journal of the Mineralogical Society, 23 (145) 519-540 doi:10.1180/minmag.1934.023.145.01

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Reference TypeJournal (article/letter/editorial)
TitleOn zoned associations of antigorite, talc, actinolite, chlorite, and biotite in Unst, Shetland Islands.
JournalMineralogical Magazine and Journal of the Mineralogical Society
AuthorsRead, H. H.Author
Year1934 (June)Volume23
Issue145
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_23/23-145-519.pdf+
DOIdoi:10.1180/minmag.1934.023.145.01
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Mindat Ref. ID7182Long-form Identifiermindat:1:5:7182:0
GUID0
Full ReferenceRead, H. H. (1934) On zoned associations of antigorite, talc, actinolite, chlorite, and biotite in Unst, Shetland Islands. Mineralogical Magazine and Journal of the Mineralogical Society, 23 (145) 519-540 doi:10.1180/minmag.1934.023.145.01
Plain TextRead, H. H. (1934) On zoned associations of antigorite, talc, actinolite, chlorite, and biotite in Unst, Shetland Islands. Mineralogical Magazine and Journal of the Mineralogical Society, 23 (145) 519-540 doi:10.1180/minmag.1934.023.145.01
In(1932) Mineralogical Magazine Vol. 23 (145) Mineralogical Society
Abstract/NotesDuring my mapping for the Geological Survey in 1930 of the metamorphic rocks of western Unst, numerous small masses were encountered that were composed of a central part of talc followed outwards in order by zones of actinolite, chlorite, and biotite. Whilst revisiting the island in 1933 I was able to examine these associations in detail and to collect abundant material for study. As in many cases the zones are made up of a single mineral and may be a foot or so in thickness, specimens of great beauty are obtainable.


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