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Cooper, A. F. (1971) Piemontite schists from Haast River, New Zealand. Mineralogical Magazine, 38 (293) 64-71 doi:10.1180/minmag.1971.038.293.08

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Reference TypeJournal (article/letter/editorial)
TitlePiemontite schists from Haast River, New Zealand
JournalMineralogical Magazine
AuthorsCooper, A. F.Author
Year1971 (March)Volume38
Issue293
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_38/38-293-64.pdf+
DOIdoi:10.1180/minmag.1971.038.293.08Search in ResearchGate
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Mindat Ref. ID6433Long-form Identifiermindat:1:5:6433:4
GUID0
Full ReferenceCooper, A. F. (1971) Piemontite schists from Haast River, New Zealand. Mineralogical Magazine, 38 (293) 64-71 doi:10.1180/minmag.1971.038.293.08
Plain TextCooper, A. F. (1971) Piemontite schists from Haast River, New Zealand. Mineralogical Magazine, 38 (293) 64-71 doi:10.1180/minmag.1971.038.293.08
In(1971, March) Mineralogical Magazine Vol. 38 (293) Mineralogical Society
Abstract/NotesSummaryPiemontite-bearing metachert horizons are recorded from regionally metamorphosed eugeosynclinal rocks at Haast River, in the Southern Alps of New Zealand. Piemontite schist mineralogical assemblages produced by epidote-amphibole facies metamorphism are described petro-graphically, and are compared with lower grade occurrences in the Haast Schist Group.A chemical analysis yields a composition of (Ca1·75Mg0·02Mn0·25Na0·03K0·01) (Al2·23Fe0·53Mn0·24 Ti0·01)Si3·06O12(OH)0·9, which is compared graphically with other metamorphic, hydrothermal, and metasomatic piemontites.Single-crystal Weissenberg and powder camera X-ray data are given, and an attempt made to relate these X-ray parameters to chemical variation within the piemontite composition range.

Map of Localities

Mineral Occurrences

LocalityMineral(s)
Haast River, Westland District, West Coast Region, New Zealandⓘ Piemontite

See Also

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Cooper, Alan F. (1996) Nb-rich baotite in carbonatites and fenites at Haast River, New Zealand. Mineralogical Magazine, 60 (400) 473-482 doi:10.1180/minmag.1996.060.400.08
Jan, M. Qasim, Symes, R. F. (1977) Piemontite schists from Upper Swat, north-west Pakistan. Mineralogical Magazine, 41 (320) 537-540 doi:10.1180/minmag.1977.041.320.22
Black, Philippa M. (1971) Tourmalines from Cuvier Island, New Zealand. Mineralogical Magazine, 38 (295) 374-376 doi:10.1180/minmag.1971.038.295.13
Pryce, M. W. (1971) Holtite: a new mineral allied to dumortierite. Mineralogical Magazine, 38 (293) 21-25 doi:10.1180/minmag.1971.038.293.02
International Mineralogical Association (1971) International Mineralogical Association: Commission on New Minerals and Mineral Names. Mineralogical Magazine, 38 (293). 102-105 doi:10.1180/minmag.1971.038.293.14
Frost, Michael J. (1971) The Molteno meteorite. Mineralogical Magazine, 38 (293) 89-93 doi:10.1180/minmag.1971.038.293.12
Ewart, A. (1971) Chemical changes accompanying spherulitic crystallization in rhyolitic lavas, Central Volcanic Region, New Zealand. Mineralogical Magazine, 38 (296) 424-434 doi:10.1180/minmag.1971.038.296.04
Elsdon, R. (1971) Clinopyroxenes from the Upper Layered Series Kap Edvard Holm, East Greenland. Mineralogical Magazine, 38 (293) 49-57 doi:10.1180/minmag.1971.038.293.06
Ransom, D. M. (1971) Host control of recrystallized quartz grains. Mineralogical Magazine, 38 (293) 83-88 doi:10.1180/minmag.1971.038.293.11
Read, A. J. (1984) Mcguinnessite from New Zealand; a new occurrence. Mineralogical Magazine, 48 (348) 457-459 doi:10.1180/minmag.1984.048.348.18
Engin, T., Aucott, J. W. (1971) A microprobe study of chromites from the Andızlık-Zımparalık area, south-west Turkey. Mineralogical Magazine, 38 (293) 76-82 doi:10.1180/minmag.1971.038.293.10
 
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