 | | Conference Paper/Abstract | | associated alkaline rocks from Gordon Butte, Crazy Mountains (Montana) Roger H. Mitchell (Lakehead University)...Alkaline igneous rocks of central and western Montana (U.S.A.) exhibit a great petrographic diversity...Alkaline parageneses of different provenance from Montana have been shown to contain a variety of rare minerals...Mitchell 1999). Igneous lithologies of the Crazy Mountains area include a subalkaline series (gabbro-diorite-granite)...assemblages from the Gordon Butte area, northern Crazy Mountains. At Gordon Butte, four major intrusive series |  | | 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... the Rocky Mountains, and furthest to the northwest, the belt basin. The Rocky Mountains contain sedimentary |  | | Journal (article/letter/editorial) | | Rocks from Montana. Acad. Sci. Ser. 2, Vol. 3. By WALDEMARLINDGREN. Proc. Cal. 189o. A Sodalite-Syen ite...ite and other Rocks from Montana. By W. LINDGREN, with analyses by W. H. MELVILLE. Am. Jour. Sci. Vol... April 1893Acmite- Trachyte from the Crazy MIountains, Montana. By J. E. WOLFF and R. S. TARR, Bull....occurring in the eastern portion of the Rocky mountains and the region immedir ately east of it. This...rocks of Montana along the All of the rocks described frontal ranges of the Rocky mountains. occur as |  | | Journal (article/letter/editorial) | | u s t 8 , 1892 T H E GEOLOGY OP T H E CRAZY MOUNTAINS, MONTANA. BY J. E. WOLFF. ( R ead before the Society...450 450 T opog raphy . The Crazy mountains are situated in central Montana, centering about latitude 46°...Rocky mountains, lying about 30 miles east of the easterly border of the main mass of the mountains, and...southern end a few miles after its exit from the mountains at the lower canyon, and the range is there fore...miles eastward from the town of Livingston. The mountains trend a little west of north and are about 40 |  | | Journal (article/letter/editorial) | | similar to that of the sodalite-syenite of Square Butte, Highwood Mountains, Montana, as pointed out by Professor...referred in his article. J. P. I. Highwood Mountains of Montana. By WALTER H. WEED and Louis V. PIRSSON...situation and topographic features of the Highwood Mountains are briefly described, and the geologic structure...structure of the district is pointed out. The mountains consist of the denuded remains of volcanoes whose... 852 THE JOURNAL OF GEOLOGY. The main mass of mountains consists of basaltic breccias resting upon Cretaceous |  | | Report (issue) | | composition of rocks of Y ogo Peak, Little Belt Mountains, Montana. i In 1896 Becke.i represented the chemical...-------- 79.25 Porphy&y ............. Harz Mountains ...................... R. T., 1861, i. 0. 057...062 .07~ . 085 .080 . 079 Blowing Rock, Watauga County, N.C. Fichtelgebirge, Bavarht .............. Crystal......... Montgomery County, N.C ............ Granitite ............. Eldorado County, C11l ..............Zealand ..... Alaskite .............. Tordrillo Mountains, Alaska ......... (.078) Qu~trtz-porphyry ... |  | | Journal (article/letter/editorial) | | :-Eruptive Rocks of Montana-Waldemar A SodaLindgren. Acmitelite-Syenite and other Rocks from Montana-W. Lindgren...Lindgren. E. Wolff. Trachyte from the Crazy Mountains, Montana-J. The Volcanic Rocks of the Andes. Iron. The...Mississippi Basin. Mississippi. T. C. Chamberlin. . .. Mountains. Theory of the Origin of Mountain Ranges. Joseph... A Sodalite-Syenite Eruptive Rocks of Montana, Waldemar Lindgren. and other Rocks from Montana, W. Lindgren...Lindgren. Acmite-Trachyte from the Crazy Mountains, Montana, J. E. Wolff ; by Joseph P. Iddings. The |  | | Journal (article/letter/editorial) | | PL8. 24-26 APRIL 17, 1895 H IG H WOOD MOUNTAINS OF MONTANA* BY WALTER H . WEED AND LOUIS V. PIKSSON...CONTENTS Page Part I.—Geology of the High wood mountains.................................................8 9 ) 390 WEED AND PIRSSON— HIGHWOOD MOUNTAINS OP MONTANA. Page 412 412 413 413 413 413 414 415 416......... Cancrinite............................ Sodalite................................ Natrolite.......Name shonkinite................. White rock or sodalite-syenite General petrology of Square butte. Summary |  | | Journal (article/letter/editorial) | | (incorrectly referred to as sanidinites) containing sodalite and laÊ venite. Cann (1967) described syenite... 1 – 3% annite, 1 – 3% Fe-Ti oxide and 0 – 3% sodalite. Apatite, titanite, eudialyte, a laÊ venite-like.... . . . . . Feld = Na-K feldspar, Sdl = sodalite, Qtz = quartz, Amp = amphibole, Px = pyroxene...close to end-member albite (Ab94 –98Or2 –6). Sodalite Sodalite occurs interstitially in the silica-undersaturated...very low SO3 contents (40.3 wt.%). Typically the sodalite contains small inclusions of feldspar, apatite |  | | Journal (article/letter/editorial) | | alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic and sodic...Springer-Verlag 2002 Abstract At Gordon Butte (Crazy Mountains, Montana), agpaitic nepheline±syenite pegmatites...Alkaline igneous rocks of central and western Montana (USA) exhibit great petrographic diversity, and are...Alkaline parageneses of dierent provenance from Montana have been shown to contain a variety of rare minerals...are igneous lithologies of the Crazy Mountains area (south-central Montana), which include a sub-alkaline |  | | Journal (article/letter/editorial) | | the feldspathoid minerals: leucite, nephelite, sodalite, and analcite; all except quartz containing aluminium... Yellowstone National Park. Crazy Mountains, Mont. Little Belt Mountains, Mont. * * DIAGRAM 5. DIAGRAM...DIAGRAM 6. Highwood Mountains, Mont. Bearpaw Mountains, Mont. ROCK CLASSIFICATION 97 does not occur...alumina, when and others in which alumina is in sodalite minerals abound;' excess, when muscovite forms...WEED, W. H. and PIRSSON,L. V., The Bearpaw Mountains of Montana, Am. Jour. Sci., Vol. II, No. 9, 1896, p |  | | Journal (article/letter/editorial) | | (dellenite). An alkaline series, including nepheline-sodalite-syenite and other syenites, shonkinite, solvsbergite...alkaline types found in the collection are nepheline-sodalite-syenite and other types of syenite, shonkinite...treated in order below. 1. Syenites. A. Nepheline-sodalite-syenite.—This type occurs as an intrusion at Ochilesa...light, together with subordinate nepheline and sodalite. The nepheline is distinguished by its lower interference...refractive index and interference figure tests. The sodalite has occasionally a faint bluish tinge, and is |  | | Report (volume) | | GEOLOGY OF THE IGNEOUS ROCKS OF THE HIGHWOOD MOUNTAINS, MONTANA BY LOUIS VALENTINE PIRSSO1ST WASHINGTON...................... ......................... Montana formation ._-.......-.....---... --.---.-.--.-...systems...----....-.-.---.--...... 65 Pulaskose (sodalite-syenite) of Square Butte......-----.-..--.-.-..................... 121 Trachiphyro-pulaskose (sodalite-solvsbergite-porphyry)....... .... 121 Introductory...Page. PLATE I. Topographic map of the Highwood Mountains .........-..-.. . 14 II. A, View northward from |  | | Journal (article/letter/editorial) | | 2 cm laths comprising 8–10 vol.% of the rock. Sodalite (8–12 vol.%) fills the interstices between the...(Khomyakov 1995, Pekov 2001, 2002), at Gordon Butte, Montana (Chakhmouradian & Mitchell 2002), and at Mont Saint-Hilaire... as the pH is buffered until all interstitial sodalite and primary Cl-bearing eudialyte is decomposed...pyrophanite at this stage. After complete replacement of sodalite and primary eudialyte, alkalinity increases as...alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparison between potassic and sodic |  | 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) | | pectolite, Phl: phlogopite, Sns: stronalsite, Sod: sodalite, St: strontianite, Z: zeolite (or a mixture of...respectively. Minor and accessory phases present are sodalite, cancrinite, fluorapatite (1.2–1.8 wt.% SrO),...never forms where nepheline has been replaced by sodalite (e.g., Fig. 4a) or cancrinite. The banalsite–stronalsitess...and did not crystallize in a paragenesis with sodalite replacing nepheline at a high-temperature postmagmatic...Banalsite–stronalsitess is not associated with sodalite (Fig. 5a). In some instances, stronalsite forms |  | | Journal (article/letter/editorial) | | Tamazert) complex, situated in the High Atlas Mountains of Morocco, comprises a suite of ultramafic to...surrounding feldspars. The replacement of nepheline by sodalite occurs at the postmagmatic stage 2, when primary...avoisinants. Le remplacement de la néphéline par la sodalite se déroule au stade postmagmatique (2), lorsque...present contribution, is located in the High Atlas Mountains of Morocco and represents a multiphase plutonic...Tamazeght complex of the northern High Atlas Mountains, Morocco. Localities 1 to 4 refer to spatially |  | 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) | | mineral, manganoneptunite, microcline, pyrrhotite, sodalite and zircon. Paragenetically, the mineral crystallizes...labuntsovite, manganoneptunite, microcline, pyrrhotite, sodalite et zircon. Le minéral cristallise après l’aegyrine...Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. The mineral occurs as free-standing...mineral, manganoneptunite, microcline, pyrrhotite, sodalite and zircon [the latter showing only the dipyramid...(1965): Seven new barium minerals from eastern Fresno county, California. Am. Mineral. 50, 314-340. Baussy, |  | | Journal (article/letter/editorial) | | MINERALOGICAL SOCIETY OF AMERICA MEETING BOZEMAN, MONTANA, JULY 26-3t, 1964 WITH JOINT MEETING CRYSTALLOGRAPHIC...ABSTRACTS SEVEN NEW BARIUM MINERALS FROM FRESNO COUNTY, CALIFORNIA EASTERN CaliJornia Dilision Joux...silicate minerals have been found in eastern Fresno County, California. The minerais occur in sanbornite-bearing...andalusite. A UNIQUE OCCURRENCE OF URANIUM SAGUACHE COUNTY, MINERALS, COLORADO MARSHALL PASS, E. B. Gnoss...uncovered in the Marshall Pass district, Saguache County, Colorado. Two of the ore bodies occurred in alluvium |  | | Journal (article/letter/editorial) | | presence of alkali feldspar, albite, nepheline, sodalite, eudialyte, aegirine, sodic amphibole and ast...alkali feldspar (25–30 vol.%), stubby nepheline or sodalite (15–20 vol.%) and eudialyte (10–15 vol.%). Astrophyllite...nepheline and/or alkali feldspar, initially by sodalite, then by banalsite– stronalsite solid solution...processes varies from site-to-site, and nepheline and sodalite are completely altered in some samples. A variety...apparently lacking alkali feldspar but rich in sodalite and eudialyte (each up to 20–25 vol.%) is termed |  | | Journal (article/letter/editorial) | | u n Leucite basalt, micatrachyte, shontains, Montana. kinite, monzon ite,augite syenite, nephelite...Mesozoiclimestones and dolomites. Highwood Moun tains, Montana. Syenites, monzo Basalt, d i o r i t e , nite...zoic limestones and dolomites. Ju d ith Mountains, Montana. Tinguaites (augite phonolites). Ditto...alkaline eruptives. Little Belt Moun tains, Montana. Syenite, monzonite, Basalt, d i o r i t e , and...Castle Mountains, Montana. Theralite, acmite trachyte. Ditto. Ditto. Crazy Mountains, Montana. Theralite |  | | Journal (article/letter/editorial) | | certain nepheline-plagioclaserocks from the Crazy Mountains of Montana, which might have been considered the...description of Wolff, which indicated that the Montana rocks occurred as dikes and in small bodies of...on the petrography of the Crazy Mountains and other localities in Montana Territory: Nmthern Transcontinental...re-definition, since Zirkell7 defined ditroite as a sodalite-bearing nepheline syenite. Hence in both instances...had previously been described by Merrill3l from Montana. The bahiaite of Washington was stated by him to |  | | Journal (article/letter/editorial) | | consist of alkali feldspar, albite, nepheline, sodalite, aegirine, eudialyte and sodic amphibole as primary...are commonly found. Alkali feldspars, nepheline, sodalite, sodic amphibole, and aegirine-augite are the...alteration were: (1) early-postmagmatic alteration of sodalite and eudialyte-I characterized by formation of...eudialyte-I, rinkite, and astrophyllite. Fluorapatite in sodalite-rich white foyaite commonly shows anomalous interference...eudialyte and fluorapatite (Fig. 2g,h) at the stage of sodalite-to-analcime conversion and decomposition of orthomagmatic |  | | Journal (article/letter/editorial) | | Rasvumite crystals from a marble xenolith and tawite (“sodalite xenolith”) entrained in nepheline syenite contain...more compatible with respect to rasvumite than sodalite, tainiolite, or perovskite-type phases. Cubo-octahedral...interpreted to have crystallized in equilibrium with sodalite, aegirine and tainiolite from halogen-rich peralkaline...sulfides, loparite-(Ce), lueshite, perovskite, sodalite, sector zoning, trace-element partitioning, tawite...Saint-Hilaire. (a) Euhedral rasvumite (Rsv) included in sodalite (Sdl), other minerals present are aegirine (Ae) |  | | Journal (article/letter/editorial) | | twinned, prismatic crystals, from near Missouln, Montana, was partially coated witli a n extremely thin...Felspar of the Acmite-trachyte of the Crazy Mountains, Montana, By T. E. WorAw and RALPHS. TARR(Zeit...occurs as dykes, and contains felspar, Egirine, and sodalite in a ground mass of felspnr, aegirine, and either...0 , O ) . Total. 100.10 L. J. S. Analyses of Sodalite from New Localities. Ry L. McI. EUQITER and G...is given the analysis of massive, cobalt-blue sodalite from the Laurentian system a t Hastings Co., Ontario |  | | Report (volume) | | From the Silver King mine, Calico, San Bernardino County, Cal. Specific gravity, 6:28. Analysis by W. H...From .Teocalli Mountain, Brush Creek, Gunnison County, Colo. Specific gravity, 7.400 at 14.5°, corrected...vol. 3, pt. 1, p. 46. From the Rose mine, Grant County, N". Mex. Specific gravity, 6.644 at 20°. Probably...impurities. From the Missouri mine, Halls Valley, Park County, Colo. Analyses, by Hillebrand, of three different...From the Brobdignag mine, Red Mountain, San Juan County, Colo. Specific gravity, 5.21 at 18°. Analyzed |
|
