Gordon Butte, Meagher Co., Montana, USA

Standard Detailed By Chemistry 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
- 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:

57 entries listed. 46 valid minerals.

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