 | | Journal (article/letter/editorial) | | 20:04 16 May 2014 Stove Mountain Area Colorado Springs, Colorado All photos by Gary Zito unless otherwise...otherwise noted 224 ROCKS & MINERALS GARY ZITO Colorado School of Mines Metallurgical and Materials Engineering...Engineering Department 1500 Illinois Street Golden, Colorado 80401 gzito@mines.edu SARAH L. HANSON Adrian...20:04 16 May 2014 in the Stove Mountain area of Colorado have provided numerous attractive specimens of...Unlike the better known pegmatites within the Pikes Peak Batholith, this area is also notable for its |  | | Journal (article/letter/editorial) | | MIAROLITIC CAVITY IN CHEYENNE CANYON, EL PASO COUNTY, COLORADO GARY ZITO Colorado School of Mines, Metallurgical...Engineering Department, 1500 Illinois St., Golden, Colorado 80401, U.S.A. SARAH L. HANSON§ Adrian College...cavity in a pegmatite in Cheyenne Canyon, El Paso Co., Colorado has an unusual mineral assemblage that includes...addition to the genthelvite/danalite, accessory columbite-(Fe), ilmenite, and bastnäsite-(Ce) are present...trace element abundances as well as an increase in Fe/Mn ratios. This increase is indicated by the change |  | | Journal (article/letter/editorial) | | PLUTON OF THE WAUSAU SYENITE COMPLEX, MARATHON COUNTY, WISCONSIN Alexander U. FALSTER§ Department of...Wausau syenite complex, exposed in central Marathon County, Wisconsin, is an A1-type within-plate granitoid...associated with late-stage Ta and Mn enrichment in columbite–tantalite species and Hf enrichment in zircon...fluorine-enriched), located in central Marathon County, Wisconsin (Fig. 1), forms part of a NE–SW-trending...pegmatites, and pyrochloregroup species are abundant. Columbite-group species are scarce, and fluorite is common |  | | Journal (article/letter/editorial) | | Mineralogy and crystal chemistry of micas from the A-type El Portezuelo Granite and related pegmatites, Catamarca...University, Provo, Utah 84602, USA Corresponding author The A-type El Portezuelo Pluton (Catamarca, NW...also show a trend from near end-member muscovite to (Fe, Mg, Li)-rich muscovite (phengite), according to...the substitution (R2+Si)([4]Al[6]Al)–1, where R2+ = Fe, Mg, Mn; there is a compositional gap between dioctahedral...individual crystals have trioctahedral cores enriched in Fe, Mn and F; Na, Li and Ti are usually also enriched |  | | Journal (article/letter/editorial) | | mostly Ca (causing a miniflood of Ca), but also Sr, Fe, Mg, Sc, Li and B. Other elements are efficiently...micas of the lepidolite series, pollucite, tantalite-(Fe) and tantalite-(Mn), i.e., super-LCT deposits. Keywords:...granitic pegmatites of the NYF affiliation, like El Muerto, in Oaxaca, Mexico (Prol-Ledesma et al. 2012)...generation of pyrochlore, betafite, fersmite and columbite, as well as a very late Ta-dominant mineral, microlite...substitution: XCa + YLi → XNa + Y(Fe + Mg), YLi + YAl → 2 Y(Fe + Mg) and, where Fe and Mg have fallen to 0, XCa |  | | Journal (article/letter/editorial) | | 2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Sarah L. HANSON Geology Department, Adrian College... 110 S. Madison Street, Adrian, Michigan 49221, USA Alexander U. FALSTER and Karen L.WEBBER Department...2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Abstract Pegmatites enriched in the rare-earth elements...along a southwestern trend from Wisconsin through Colorado to Arizona. Four widely geographically spaced...South Platte (SP), in Colorado, circa 1.6 Ga Trout Creek Pass (TCP), also in Colorado, and circa 1.5 Ga Mojave |  | | Journal (issue) | | Jean COWMAN & Philip PERSSON Tribute Pocket, CO, USA Mineral photography: James Elliott INTRODUCTION...claim, Colorado, USA. HISTORY: DISCOVERY AND RE-DISCOVERY Topaz has been known from the Pikes Peak area...this mine. Associated Photographer: Jeff Scovil (USA) Topaz is a rather common mineral, forming during...south-eastern portion of the Pikes Peak massif, El Paso County, Colorado, was one of the most significant... INTRODUCTION Associated Editors: Paul Cragan (USA) Malcolm Southwood (Australia) P. Persson photo |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Journal (issue) | | Our Lucky Monday – a great collecting story Colorado, USA J. Scovil photo. Issue #6 The Collector’s...known as “Two Pillars”. T. Dorris photo. The Pikes Peak region has been producing amazonite and smoky...miarolitic cavities (pockets) in the decomposed Pikes Peak granite. Beginning in 2000, Joe discovered an...from Lucky Monday pocket, Smoky Hawk claim, Colorado, USA. 8.2 cm in length. Spirifer collection. amazonite...Editors: Paul Cragan (USA John Veevaert (USA) Associated Photographer: Jeff Scovil (USA) Contact: tom@spiriferminerals |  | | Show/Event (guide) | | Glastonbury, Hartford County, Connecticut - A. J. Albini & H. Moritz. 2:30 Chernikovite, Fe-free warwickite...warwickite, and dissakisite-(Ce) from New York State, USA - M. V. Luoulescu. R. Rowe, D. G. Bailey, & M. Hawkins...crystals in the Lockport Dolostone, Cicero, Onondaga County, NY - S. C. Chamberlain. D. G. Bailey, & R. Lyons...Lyons. 3:00 The Lowville quartz occurrence, Lewis County, NY - M. Walter & S. C. Chamberlain. 3:15 Rh...Rhodonite-axinite-(Mn) vein assemblages, Franklin, New Jersey, USA. V. King & J. Nemetz. 3:30 Coffee Break 4 3:45 |  | | Journal (article/letter/editorial) | | MoNaZitE-(CE) FRoM RattlESNaKE MouNtaiN, StoNEhaM, oXFoRd CouNty, MaiNE. C. A. Francis and J. A. Mann. Maine Mineral...Miarolitic Pegmatites in the Stove Mountain Area, Colorado. S. L Hanson1 and G. Zito2. 1Adrian College, Geology...Mountain area, located about 5 miles southwest of Colorado Springs, is famous for a diverse suite of accessory...area is complex, as exposures of the 1.08 Ga Pikes Peak Granite (PPG) are intruded by the late-stage...yellow, often etched, dipyramids on quartz. Columbite-(Fe) occurs as 0.1–0.5-cm black blades that rarely |  | | Book | | : i ye "Pe 7 a pre \ 2 , ' : 8 lilbap el ' ae “ay oe ar DISCARDED Gems« Minerals Richmond...considered to be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 om MINERALS: PRODUCTS OF A...zeolites. Calcite (septarian nodule), San Juan County, Utah, USA * 18 x 24x Bem 14 | MINERALS: PRODUCTS...Madagascar e(2x23x3em Quartz, Mount Ida, Arkansas, USA ° 14x 15 x 10 cm Corundum, Mozambique * 17 x 11...typical crystal shape. Goethite, Tintic, Utah, USA * 16.5 x 3.5 x 2.5 om Drusy These minerals have | | | Book | | considered to be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 cm. Biominerals Crystals formed...zeolites. Calcite (septarian nodule), San Juan County, Utah, USA » 18 x 24 x 8 om 14 MINERALS: PRODUCTS...for cutting other minerals. Calcite, Oklahoma, USA * 10 x 11 x 8 cm Talc, Mpumalanga, South Africa...* 12 x 23 x 3 cm. Quartz, Mount ida, Arkansas, USA * 14 x 15 x 10 cm Corundum, Mozambique * 17 x 11...Spain * 19 x 19 x 16 cm Goethite, Tintic, Utah, USA * 16.5 x 3.5 x 2.6 om Drusy These minerals have |  | Breiter, K., Ďurišová, J., Hrstka, T., Korbelová, Z., Vašinová Galiová, M., Müller, A., Simons, B., Shail, R.K., Williamson, B.J., Davies, J.A. (2018) The transition from granite to banded aplite-pegmatite sheet complexes: An example from Megiliggar Rocks, Tregonning topaz granite, Cornwall. Lithos, 302. 370-388 doi:10.1016/j.lithos.2018.01.010 | Journal (article/letter/editorial) | | Li, Rb, Cs, Sn, W, Nb, Ta, and U, and depleted in Fe, Mg, Ca, Sr, Th, Zr, and REE. With increasing distance...Black Hills, South Dakota (Norton, 1994) or Pikes Peak, Colorado (Simmons and Heinrich, 1975), a direct genetic...leucite, Ti – rutile, P – apatite, Mn – MnCr2O4, Fe – magnetite, F – fluorite, and Rb – RbCl. The matrix...diameter of 1 to 3 µm. The counting times on each peak were optimized for individual elements according...of 213 nm (New Wave Research, Inc., Fremont, CA, USA), which was coupled to a ICPQMS instrument with quadrupole |  | | | | cobalt bloom 73 cobaltite 17 colemanite 54, 54 columbite 36 bastnasite 49 bauxite 37 bavenite 102, /03...50 nickel bloom 73 nickel vitriol 60 niobate columbite 36 nitrates 38 northupite 49 octahedrite 34 oligist...suppliers are, in order, the USSR, Canada, and the USA (South Dakota, Nevada, Utah, Arizona, and California)...Tonopah. It is also found in the silver districts of Colorado, and at Butte, Montana. Sphalerite, ZnS: isometric...Pennsylvania and Colorado, and very large crystals and massive pyrite is found at Ellenville, Ulster County, New |  | | Book | | cobalt bloom 73 cobaltite 17 colemanite 54, 54 columbite 36 copiapite 61 copper 4, 5 copper vitriol 59...50 nickel bloom 73 nickel vitriol 60 niobate columbite 36 nitrates 38 northupite 49 octahedrite 34 ...suppliers are, in order, the USSR, Canada, and the USA (South Dakota, Nevada, Utah, Arizona, and California)...Tonopah. It is also found in the silver districts Colorado, and at Butte, Montana. Sphalerite, ZnS: at...Utah). Fine crystals come from Pennsylvania and Colorado, and very large crystals and massive pyrite |  | | Journal (issue) | | in e s Steve Voynick* P.O. Box 1285 Leadville, Colorado 80461 If you’re a mineral collector, you know...Abandoned mines certainly aren’t hard to find. Colorado alone has 15,000—most of them underground metal...methane-rich at mosphere can create an explosion. The Colorado Bureau of Mines warns that bad air in old shafts...experience, now Director of Operations at the Central Colorado Mine Rescue Station. “Mine rescue stations were...1989 DENVER GEM & MINERAL SHOW " THEMAIN SHOW" COLORADO MINERAL fit FOSSIL SHOW Merchandise Mart Holiday |  | | Journal (issue) | | Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………..21 DOLGOPOLOVA, A.,...Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication for the origin of this unusual para... J., RODA-ROBLES, E., VILLASECA, C., SIMMONS, W. Fe-Mn-(Mg) distribution in primary phosphates and silicates...evolution of the Emmons rare-element pegmatite (Maine, USA)…………………………………………37 GUASTONI, A., GENTILE, P., NESTOLA...of the Berry-Havey rare-element pegmatite (Maine, USA): preliminary results……………………………………………………………………… |  | Petrella, L., Williams-Jones, A. E., Goutier, J., Walsh, J. (2014) The Nature and Origin of the Rare Earth Element Mineralization in the Misery Syenitic Intrusion, Northern Quebec, Canada. Economic Geology, 109 (6) 1643-1666 doi:10.2113/econgeo.109.6.1643 | Journal (article/letter/editorial) | | Quartz, zircon, fluorapatite 1, fluorite, columbite-(Fe), carbonate, and pyrite occur as accessory phases...Ti-rich magnetite Fergusonite-(Y) Columbite-(Fe) Fe2+Fe3+2O4 Fe2+TiO3 Fe(Fe,Ti)2O4 YNbO4 Fe2+Nb2O6 1648...oxides (wt %): Na, 0.03; F, 0.03; K, 0.03; Cl, 0.02; Fe, 0.04; Si, 0.06; Mg, 0.02; Ca, 0.03; Ti, 0.04; Mn...Finally, this rock also contains small crystals of columbite(Fe), an unidentified Nb-, LREE-rich calcium silicate... astrophyllite, fluorite, an unidentified LREE-, Fe-, and Nb-rich silicate mineral and trace amounts |  | Yin, Rong, Huang, Xiao-Long, Xu, Yi-Gang, Wang, Ru-Cheng, Wang, He, Yuan, Chao, Ma, Qiang, Sun, Xiao-Ming, Chen, Lin-Li (2020) Mineralogical constraints on the magmatic–hydrothermal evolution of rare-elements deposits in the Bailongshan granitic pegmatites, Xinjiang, NW China. Lithos, 352. 105208 doi:10.1016/j.lithos.2019.105208 | Journal (article/letter/editorial) | | eucryptite, lepidolite, beryl, Rb-enriched K-feldspar, columbite-group minerals, cassiterite, and tourmaline, which...coupled with micropores Journal Pre-proof within columbite-group minerals. These late hydrothermal fluids...district, first reported in 2017, is located in Hetian County, in the south of Xinjiang Province (Wang et al...economic minerals are beryl, cassiterite, and columbite-group minerals (Table 1). The cleavelandite–spodumene... beryl, Rb-rich microcline, cassiterite, and columbite-group minerals (Table 1). The quartz–spodumene | | | Book | | cobalt bloom 73 cobaltite 17 colemanite 54, 54 columbite 36 copiapite 61 copper 4, 5 copper vitriol 59...50 nickel bloom 73 nickel vitriol 60 niobate columbite 36 nitrates 38 northupite 49 octahedrite 34 oligist...Tonopah. It is also found in the silver districts of Colorado, and at Butte, Montana. Sphalerite, ZnS: ison1etric...Pennsylvania and Colorado, and very large crystals and massive pyrite is found at Ellenville, Ulster County, New...tetrahedrite crystals are found near Central City, Colorado, and in many other localities. Pyrrhotite, FeS: |  | Fan, Jing-Jing, Tang, Gong-Jian, Wei, Gang-Jian, Wang, He, Xu, Yi-Gang, Wang, Qiang, Zhou, Jin-Sheng, Zhang, Zhuo-Ying, Huang, Tong-Yu, Wang, Zi-Long (2020) Lithium isotope fractionation during fluid exsolution: Implications for Li mineralization of the Bailongshan pegmatites in the West Kunlun, NW Tibet. Lithos, 352. 105236 doi:10.1016/j.lithos.2019.105236 | Journal (article/letter/editorial) | | (Fig. 2j). In addition, some cassiterite and columbite-group minerals (CGM) can be observed as inclusions...values than that of the Li-poor pegmatites (Harney Peak) (Fig. 4a). Teng et al. (2006b) explained this by...variations in Li- and Fe-rich micas from Pikes Peak batholith (central Colorado). Am. Mineral. 85, 1275e1286...hydrothermal conditions in pegmatites from San Diego County. California American Mineralogist 101, 1906e1915...Ireland: LA-ICP-MS chemical mapping of muscovite and columbite-tantalite. Geochem. Cosmochim. Acta 240, 98e130 |  | | Report (issue) | | murmanite. The recovery of tantalum is chiefly from columbite-tantalite, microlite, or euxenite ores. Future...Granite, California _ __ _ ___ Granodiorite, Johnston County, Okla_ __ 9 99 39 25.4 31 68 20 37 . . __________...H_ __ _ __ Hastingsite granite, Jackson Falls, N. EL _______ _ _ __ Alkalic granite, Kungnat, Greenland...Okla. (20) _ _ _____ Riebeckite granite, Brewster County, Tex. (!)_____ _____ Mount Rosa, Colo. (3) _ ___...Riebeckite rhyolite, Brewster, County Tex. (7) ______ __ _ _ Jeff Davis County, Tex. (2)_ _ _ _____ 61 30 |  | | Report (issue) | | Gary R. Olhoeft U.S. Geological Survey, Denver, Colorado 80225 Open File Report 79-993 Nay 1979 -2Tables...8H2G [439.6] Ancrthite CaAl2Si2C8 Anthcphyllite (Hg,Fe)7Si8G22...Augite (Ca,iig,Fe2+,te3+,Al) (Si,Al)C3 Axinite Ca2(Mn,Fe)Al2£Si4G15GH Azurite Cu3(CG3)2(GH)2 [249.6] Bacceleyite... Ee [REFJ Beryllium oxide-beta EeG Biotite K2(Kg,Fe)4-6(Si,Al)8020(OH)4 Bisrcite tii2G3 Bismuth Ei (REF]...oxide CoO Colemanite Ca2B6Oll,5H2O [332.6] Columbite (Fe,Mn)(Cb,Ta)206 Copper Cu [REF] hETAL Copper dichloride |  | | Book | | states of Guanajuato and Chihuahua, Mexico. In the USA silver occurs at Keweenaw, Michigan, in association...copper ores, and at Butte, Montana, as well as Colorado, Arizona and Idaho. In Canada it occurs at Cobalt...Corocoro, Bolivia, and at Cananea, Mexico. In the USA copper is found in abundance in the Keweenaw area...and from Kalgoorlie in Western Australia. In the USA gold is often obtained by individual prospectors...ranges of the western states, including California, Colorado, Nevada and Alaska. In Canada deposits occur at |
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