Gordon Butte, Meagher Co., Montana, USA

• Display
  • Standard
  • Detailed
  • By Strunz Category
  • By Dana Category
• Photos
  • Add Photo
• Maps
  • Map Pages
  • Nearest Localities
• Search
  • Mineral Search
  • Search Google

Nepheline-syenite pegmatite dikes cutting malignites and nepheline microsyenites.
Located in the Crazy Mountains.

References

-

http://www.cseg.ca/conferences/2000/2000abstracts/376.PDF [Link dead. Aug 2011]
- Chakhmouradian, A. R. & Mitchell, R. H. (2002): The mineralogy of Ba- and Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic and sodic agpaitic pegmatites. Contributions to Mineralogy and Petrology 143, 93-114.
- Chakhmouradian A.R. & Zaitsev A.N. (2002) Calcite-amphibole-clinopyroxene rock from the Afrikanda complex, Kola Peninsula, Russia: Mineralogy and a possible link to carbonatites. III. Silicate minerals. Can. Mineral., 40, 1347-1374.

Mineral List

Aegirine Aegirine-augite Analcime 'Ancylite' Ancylite-(Ce) Augite Baotite Baryte Barytolamprophyllite 'Bastnäsite' Bastnäsite-(Ce) Belovite-(Ce) Benitoite Biotite Cafetite ?

'Calcioancylite' Calcioancylite-(Ce) Calciocatapleiite Calcite Catapleiite Chalcopyrite Chamosite Dalyite Diopside Eudialyte 'Faujasite Subgroup' Fluorapatite Giuseppettite ? Henrymeyerite Hyalophane

Kassite ? 'K Feldspar' Lamprophyllite Loparite-(Ce) Magnesio-arfvedsonite Magnetite var: Titaniferous Magnetite Manganoneptunite Microcline Muscovite Natrolite Nepheline Neptunite 'Olivine' 'Parisite'

Phillipsite-Ca Phlogopite Pyrite Pyrophanite Pyrrhotite Richterite Rinkite Sanidine Thomsonite-Ca Thorite Titanite Wadeite Zeolite Group Zircon

59 entries listed. 49 valid minerals.