 | | Journal (article/letter/editorial) | | Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic...Springer-Verlag 2002 Abstract At Gordon Butte (Crazy Mountains, Montana), agpaitic nepheline±syenite pegmatites...overall evolutionary trend of clinopyroxene in the Gordon Butte rocks is from Fe-poor diopside to aegirine±augite...lamprophyllite. The evolutionary history of the Gordon Butte pegmatites can be subdivided into primary, agpaitic...of Ba in the form of hyalophane, baotite, and benitoite, and cation leaching from rinkite, eudialyte, |  | | Journal (article/letter/editorial) | | Montana Mineral Locality Index Downloaded by [University of Nebraska, Lincoln] at 20:00 09 April 2015...2015 K NOWN AS THE TREASURE STATE, Montana is rich in mineral and gemstone localities. The state motto...The middle third of the state is known as the Montana alkali province where the sediments have MICHAEL...Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded by [University...one. The mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many |  | McDonald, Andrew M., Chao, George Y. (2010) Rogermitchellite, Na12(Sr,Na)24Ba4Zr26Si78(B,Si)12O246(OH)24 · 18H2O, a new mineral species from Mont Saint-Hilaire, Quebec: description, structure determination and relationship with HFSE-bearing cyclosilicates. The Canadian Mineralogist, 48 (2) 267-278 doi:10.3749/canmin.48.2.267 | Journal (article/letter/editorial) | | ZrO6 octahedra in a motif similar to that in benitoite. Additional (Si3O9) and [Si2BO7(OH)2] rings along...chemical and crystal-structure features common to benitoite, wadeite and catapleiite, and should be considered...structure, cyclosilicate, heteropolyhedral framework, benitoite, igneous breccia, Mont Saint-Hilaire, Quebec....Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. The mineral occurs as free-standing...(acentric), based on the symmetry observed in benitoite and other related minerals, the noncentrosymmetric |  | | Journal (article/letter/editorial) | | carbonatite veins and dikes from Ravalli County, Montana, USA (Heinrich et al. 1962), Beriah, Buryatia...California, USA (Wise and Gill 1977); alkaline pegmatites from Gordon Butte, Montana, USA (Chakhmouradian...from the Leucite Hills (Wyoming, USA) and 148 Smoky Butte (Montana, USA), but it also displays similarities...reported from alkaline pegmatites from Gordon Butte, Montana, USA by Chakhmouradian and Mitchell (2002)...Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic |  | | Journal (article/letter/editorial) | | LaL␣, CeL␣, PrL␣ and NdL␣ (loparite), BaL␣ (benitoite), AlK␣ (corundum), FeK␣ (ilmenite), KK␣ (orthoclase)...localities (e.g., Bearpaw Mountains and Gordon Butte in Montana) exhibit a similar compositional trend... Inagli, Ilímaussaq, Bearpaw Mountains. and Gordon Butte (Rønsbo 1989, Pekov et al. 1995, Khomyakov 1995...nepheline-syenite pegmatites at Pegmatite Peak, Bearpaw Mts, Montana. Mineral. Petrol. 67, 85-110. 3/28/02, 16:23 ...Zrrich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): Comparisons between potassic |  | Krmíček, Lukáš, Cempírek, Jan, Havlín, Aleš, Přichystal, Antonín, Houzar, Stanislav, Krmíčková, Michaela, Gadas, Petr (2011) Mineralogy and petrogenesis of a Ba–Ti–Zr-rich peralkaline dyke from Šebkovice (Czech Republic): Recognition of the most lamproitic Variscan intrusion. Lithos, 121 (1) 74-86 doi:10.1016/j.lithos.2010.10.005 | Journal (article/letter/editorial) | | Lamproite Potassic amphibole Baotite Henrymeyerite Benitoite Bazirite a b s t r a c t A peralkaline, ultrapotassic...of baotite, henrymeyerite, titanite, rutile, benitoite and bazirite. Anhedral baotite fills interstices...hexatitanate components. Euhedral crystals of benitoite and bazirite are enclosed in the late-stage q...Mg–MgAl2O4, Ba–baryte, P–apatite, Mn– spessartine, Ti–benitoite, Nb–columbite, Ta–CrTa2O6, Sr–SrSO4, Zr– zircon...and f). Quartz commonly encloses crystals of benitoite, bazirite, anhedral grains of apatite and common |  | | Journal (article/letter/editorial) | | mineral and synthetic standards were employed: benitoite (Ba), fluoroapatite Fig. 1. Some characteristic...agpaitic nepheline syenite occurring at Gordon Butte, Montana, by Chakhmouradian and Mitchell (2002)....to stage II alteration at Pilansberg. At Gordon Butte (Montana), eudialyte is partially replaced by calcium...fluids were not produced at North Qôroq and Gordon Butte, although this might be related to either the...Baand Zr-rich pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparison between potassic |  | Wu, Bin, Wang, Ru-Cheng, Yang, Jin-Hui, Wu, Fu-Yuan, Zhang, Wen-Lan, Gu, Xiang-Ping, Zhang, Ai-Cheng (2015) Wadeite (K 2 ZrSi 3 O 9 ), an alkali-zirconosilicate from the Saima agpaitic rocks in northeastern China: Its origin and response to multi-stage activities of alkaline fluids. Lithos, 224. 126-142 doi:10.1016/j.lithos.2015.02.008 | Journal (article/letter/editorial) | | and Zaitsev, 1999), and at Gordon Butte in the Crazy Mountains in the USA (Chakhmouradian and Mitchell...Hills in the USA (Carmichael, 1967), in the alkaline pegmatites of Gordon Butte in the USA (Chakhmouradian...first described in alkaline pegmatites from Gordon Butte by Chakhmouradian and Mitchell (2002). Precipitation...Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): AC comparisons between potassic...MA of wadeite K2ZrSi3O9 and comparisons with benitoite BaTiSi3O9. Physical Review B 54, 291-304. D |  | Liferovich, R. P., Mitchell, R. H., Zozulya, D. R., Shpachenko, A. K. (2006) Paragenesis and composition of banalsite, stronalsite, and their solid solution in nepheline syenite and ultramafic alkaline rocks. The Canadian Mineralogist, 44 (4) 929-942 doi:10.2113/gscanmin.44.4.929 | Journal (article/letter/editorial) | | natural lueshite, perovskite, loparite, eudialyte, benitoite, villiaumite, and jadeite, previously analyzed...(UK), and Tony Nikischer (Excalibur Mineral Corp., USA) for providing stronalsite and banalsite samples...nepheline-syenite pegmatites at Pegmatite Peak, Bearpaw Mts., Montana. Mineral. Petrol. 67, 85-110. Chakhmouradian, A...and Zr-rich pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic |  | | Journal (article/letter/editorial) | | characterized mineral and synthetic standards were used: benitoite (Ba), fluorapatite BM 1926-665 (P, F, Ca), corundum...(incl. our data), Afrikanda, Bearpaw Mountains, Gordon Butte, Eden Lake, Ilı́maussaq, Inagli, Lovozero and...nepheline-syenite pegmatites at Pegmatite Peak, Bearpaw Mts., Montana. Mineralogy and Petrology, 67, 85 110. Chakhmouradian...and Zr-rich pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparison between potassic |  | | Journal (article/letter/editorial) | | SaintHilaire (Québec, Canada), and Bearpaw Mts. (Montana, USA). The present work also provides new data on...(Ca, Fe, Ti), corundum (Al), orthoclase (K), benitoite (Ba), manganoan fayalite (Mn), wollastonite (Si)...nepheline-syenite pegmatites at Pegmatite Peak, Bearpaw Mts, Montana. Mineral. Petrol., 67, 85-110. —, — (2002): The...Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): Comparisons between potassic |  | Krmíček, Lukáš, Romer, Rolf L., Cempírek, Jan, Gadas, Petr, Krmíčková, Simona, Glodny, Johannes (2020) Petrographic and Sr–Nd–Pb–Li isotope characteristics of a complex lamproite intrusion from the Saxo-Thuringian Zone: A unique example of peralkaline mantle-derived melt differentiation. Lithos, 374. 105735pp. doi:10.1016/j.lithos.2020.105735 | Journal (article/letter/editorial) | | characterised by the typomorphic minerals baotite, benitoite, and of henrymeyerite. The more differentiated...their Ba-rich equivalents (henrymeyerite and benitoite) are present. The high Cl-content of interstitial...lamproite zone, the typomorphic minerals baotite, benitoite, and henrymeyerite were identified for the first...alkaline lP pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic |  | | Journal (article/letter/editorial) | | corrections applied. The following standards were used: benitoite (Ba), corundum (Al), manganoan fayalite (Mn),...nepheline-syenite pegmatites at Pegmatite Peak, Bearpaw Mts, Montana. Mineral. Petrol. 67, 85-110. GILBERT, M.C., HELZ...Zrrich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic...(1958): Cerite from Mountain Pass, San Bernardino County, California. Am. Mineral. 43, 460-475. H EAMAN...in the Potash Sulphur Springs complex, Garland County, Arkansas. Am. Mineral. 74, 132-140. HENMI, C. |  | | Journal (article/letter/editorial) | | nepheline-syenite pegmatites at Pegmatite Peak, Bearpaw Mts, Montana A. R. Chakhmouradian and R. H. Mitchell Department...The pegmatites at Pegmatite Peak (Bearpaw Mts., Montana) crystallized from an evolved fraction of nepheline-syenitic...Peak, Bearpaw Mrs., Montana Die Pegmatite yon Pegmatite Peak (Bearpaw Mts., Montana) sind aus dem Restdifferentiat...Bearpaw Mountains is the largest in the central Montana alkaline province. The complex is composed of Tertiary...determination of mineral compositions: apatite (P), benitoite (Ba), corundum (A1), manganoan fayalite (Mn), |
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