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Plagioclase from
Evergreen area, Evergreen Mining District (Malachite Mining District), Jefferson County, Colorado, USA


Locality type:Area
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Evergreen area, Evergreen Mining District (Malachite Mining District), Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1493886
Long-form Identifier:1:3:1493886:1
GUID (UUID V4):1acb76be-d0f4-4d35-af3e-e2ee8fd8d2fe
References
Spry, P. G., McFadden, S., Teale, G. S., Alers, B., Shallow, J. M., & Glenn, J. M. (2021). Nodular sillimanite rocks as field indicators to metamorphosed massive sulfide deposits. Ore Geology Reviews, 104632.
Reference Search (possible matching items)
Marsh, Sherman P., Sheridan, Douglas M. (1976) Rutile in Precambrian sillimanite-quartz gneiss and related rocks, east-central Front Range, Colorado. Professional Paper 959g. US Geological Survey doi:10.3133/pp959g
Report (issue)
Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11. Zinc ore, Edwards, N.Y. 12. Manganese nodules...Gneiss and Related Rocks, East-Central Front Range, Colorado By SHERMAN P. MARSH and DOU1GLAS M. SHERIDAN GEOLOGY...and geochemical study of rutile-bearing rocks in Colorado and a description of their occurrence elsewhere...gneiss and related rocks, east-central Front Range, Colorado. Includes bibliographies. Supt. of Docs. no.:...Survey in accordance with the provisions of the Mining and Minerals Policy Act of 1970 (Public Law 91-631
Gable, D.J. (1996) Mineralogy, geochemistry, metamorphism, and provenance of the early Proterozoic metamorphic rocks of the central Front Range, Colorado. Open-File Report Vol. 1996 (96-522) US Geological Survey doi:10.3133/ofr96522
Report (issue)
METAMORPHIC ROCKS OF THE CENTRAL FRONT RANGE. COLORADO By Dolores J. Gable ' Edited bv William. D............................. 11 Biotite-quartz-plagioclase gneiss....................................................... 12 Cordierite-biotite-quartz-plagioclase and cordierite-garnet-biotite gneiss...........Cordierite-garnet-sillimanite-biotite gneiss + K-feldspar + plagioclase................................... 15 QUARTZ-BIOTITE............................................23 PLAGIOCLASE.............................................
Heimann, A., Spry, P. G., Teale, G. S., Jacobson, C. E. (2006) CORONAS, SYMPLECTITIC TEXTURES, AND REACTIONS INVOLVING ALUMINOUS MINERALS IN GEDRITE - CORDIERITE - GARNET GNEISS FROM EVERGREEN, FRONT RANGE, COLORADO. The Canadian Mineralogist, 44 (5) 1025-1044 doi:10.2113/gscanmin.44.5.1025
Journal (article/letter/editorial)
– CORDIERITE – GARNET GNEISS FROM EVERGREEN, FRONT RANGE, COLORADO ADRIANA HEIMANN§ AND PAUL G. SPRY...metamorphosed to the upper amphibolite facies near Evergreen, Colorado, are interlayered with sillimanite – biotite...zincian hercynite, corona, symplectite, Evergreen, Front Range, Colorado. SOMMAIRE Des gneiss à gédrite –...au faciès amphibolite supérieur près de Evergreen, au Colorado, sont interlités avec des gneiss à sillimanite...zincifère, couronne, symplectite, Evergreen, Front Range, Colorado. INTRODUCTION Gedrite – cordierite
(1971) Bibliography of North American geology, 1968. Bulletin Vol. 1268. US Geological Survey doi:10.3133/b1268
Report (volume)
Akita Univ. Mining Colt Jour. Akita, Japan. Alabama Acad. Sci. Jour. Ala. Journal of the Mining College...Canada. Canadian lost. Mining and Metallurgy Spec. Vol. - Canadian Institute of Mining and Metallurgy Special... Ontario, Canada. Canadian Mining and Metall. Bull.- The Canadian Mining and Metallurgical Bulletin....Institute of Mining and Metallurgy. Montreal, Quebec, Canada. Canadian Mining Jour. - Canadian Mining Journal...Notes. Colorado School Mines Mineral Industries Bull. Industries Bulletin. Golden, Colo. Colorado School
 
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