 | | 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) | | 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...fluorine-enriched), located in central Marathon County, Wisconsin (Fig. 1), forms part of a NE–SW-trending...pyrochloregroup species are abundant. Columbite-group species are scarce, and fluorite is common. Zircon...monazite-group minerals, xenotime-(Y), bastnäsite-group species, and numerous pyrochlore-group minerals |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 — Lazard Cahn — Honorary President “Pick & Pack”...bring dessert COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 Dec...Pick & Pack 1 CSMS Group Calendar Dec ‘21 Jan ‘22 7 Dec 4 Jan Fossil Group 1st Tues 7:00 PM TBD...John Massie 719-338-4276 23 Dec 27 Jan Crystal Group 4th Thur 7:00 PM Mt. Carmel Center Kevin Witte...Witte 719-638-7919 By appt By appt Faceting Group By appt By appt Berta’s House John Massie 719-338-4276 |  | | 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 |  | Raschke, Markus B., Anderson, Evan J. D., Van Fosson, Jason, Allaz, Julien M., Smyth, Joseph R., Škoda, Radek, Persson, Philip M., Becker, Randy (2018) Rare-earth crystal chemistry of thalénite-(Y) from different environments. Mineralogical Magazine, 82 (2) 313-327 doi:10.1180/minmag.2017.081.044 | Journal (article/letter/editorial) | | Chemistry, and JILA, University of Colorado, Boulder, Colorado 80309, USA Department of Geological Sciences...Sciences, University of Colorado, Boulder, Colorado 80309, USA Inst. für Geochemie und Petrologie, ETH Zürich...Engineering, Colorado School of Mines, Golden, Colorado 80401, USA Yakima, Washington 98908, USA [Received...the Golden Horn batholith, Okanogan County, Washington State, USA, in comparison with new analyses from...the White Cloud pegmatite in the Pikes Peak batholith, Colorado, USA. The Golden Horn thalénite-(Y) occurs |  | | Journal (article/letter/editorial) | | Highway 50 near the village of Grenville, Argenteuil County, Quebec, Canada. The dark blue calcite occurs as...road construction. PYROCHLORE-GROUP MINERALS FROM THE WAUSAU COMPLEX, MARATHON COUNTY, WISCONSIN. T. W...quarries have considerably expanded knowledge of pyrochlore group minerals in the Wausau Complex. Previous work...work (Falster et al. 2000) reported pyrochlore, ceriopyrochlore, bario-ceriopyrochlore, and yttropyrochlore...replacement of, and also as an overgrowth on, columbite-group minerals. Plumbopyrochlore and microlite have been |  | | Journal (article/letter/editorial) | | granitic pegmatites of the NYF affiliation, like El Muerto, in Oaxaca, Mexico (Prol-Ledesma et al. 2012)...and contains amazonitic microcline perthite, pyrochlore-group minerals and fersmite, zircon and native bismuth...al. (2006) documented a second generation of pyrochlore, betafite, fersmite and columbite, as well as...microlite, filling cracks in the first-generation pyrochlore. But it is the concentrically zoned crystals...contributed from within the system. The Pikes Peak area, Colorado The Pikes Peak batholith, emplaced 1.08 Ga ago |  | | Journal (article/letter/editorial) | | culmination of Gondwana re-assembly. The proximity of pyrochlore and other U- and Th-bearing accessory phases...called the “QuartzSchisto-Calcaire series” or Itremo Group, consists of quartzite, metapelites, metasiltstones...NYF pegmatites associated with the Pikes Peak batholith, in Colorado (Barker et al. 1975; Simmons et al...minerals during protracted crystallization. The Pikes Peak A-type granitic batholith hosts dikes of miarolitic...described the formation of U- and Th-bearing pyrochlore, betafite, and fersmite, and mentioned the presence |  | | 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 |  | | 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...black blades that rarely reach 2 cm in size. Pyrochlore-group minerals are uncommon and form 0.1–2-cm black |  | | Book | | : i ye "Pe 7 a pre \ 2 , ' : 8 lilbap el ' ae “ay oe ar DISCARDED Gems« Minerals Richmond...Miguel Hortiguela, LPPO Illustrations: Crowle Art Group Printed in China The publisher gratefully acknowledges...ofjust a few minerals; quartz and the feldspar group are the most abundant processes — called biominerals...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 |  | | Journal (article/letter/editorial) | | depth”. We list the general characteristics of each group in turn, and explain how petrogenetic processes...in view of the volumetric importance of feldspar-group minerals, constitutes a fertile area of future study...silica-oversaturated or silica-undersaturated (AbdelRahman & El-Kibbi 2001). Consider the Chilwa alkaline province...milarite, hingganite-(Y), polycrase-(Y), Ce-rich pyrochlore, niobophyllite–astrophyllite, among others (Guastoni...more familiar. The Pikes Peak batholith, emplaced 1.08 Ga ago in north-central Colorado, forms part of a |  | | Show/Event (guide) | | Rossmanite and associated minerals from Newcomb, Essex County, NY by M. Lupulescu & J. Rakovan T h e minerals...Road Wollastonite Deposit, Pitcairn, St. Lawrence County, New York by M. R. Walter, S. C. Chamberlain, R...Road Wollastonite Deposit, Pitcairn, St. Lawrence County, New Y o r k by S. C. Chamberlain, M. R. Walter...Coffee Break 3:15 Pyrochlore-group minerals form the Wausau Complex, Marathon County, W I by T. W. Buchholz...South Platte Pegmatite District, Jefferson County, Colorado by S. L. Hanson, W. B. Simmons & A. U. Falster | | | Book | | Toronto, Ontario, Canada. Illustrations: Crowle Art Group Note: For illustrative purposes, some images in...of just a few minerals; quartz and the feldspar group are the most abundant species. These are the major...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 |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Technology as a freshman and then transferred to the Colorado School of Mines where he received the degree of...uranium exploration while living in Grand Junction, Colorado. In 1959 Richard moved with his family to Mexico...classic topaz crystals and members of the tourmaline group that he associated with his memorable trips to Brazil...$10 v.8/#6 California Issue Benitoite, Gold L.A. County Museum, Himalaya mine $10 v.9/#3 Kalahari rhodochrosite |  | | Book (edition) | | to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept |  | | Book | | Ercit (with 21 Figures) . . . . . . 3 27 Pyrochlore Group Minerals from the Qaqarssuk Carbonatite Complex...fractures in altered greenstones from San Benito County, California, is reported with 20.57 wt.% RE2 0...International Mineralogical Association (IMA). A group name, bastnaesite, for instance, is proposed for...element to the group name: bastnaesite-(La), bastnaesite-(Y) etc. Table 1 gives these group names with the...the different predominating elements. Table 1. Group names ofrare-earth minerals Halides Fluocerite |  | Piilonen, Paula C., Rancourt, Denis G., Evans, R. James, Lalonde, Andr é E., McDonald, Andrew M., Shabani, Amir A.T. (2004) The relationships between crystal-chemical and hyperfine parameters in members of the astrophyllite-group: A combined57Fe Mossbauer spectroscopy and single-crystal X-ray diffraction study. European Journal of Mineralogy, 16 (6) 989-1002 doi:10.1127/0935-1221/2004/0016-0989 | Journal (article/letter/editorial) | | hyperfine parameters in members of the astrophyllite-group: A combined 57Fe Mössbauer spectroscopy and single-crystal...members of the heterophyllosilicate astrophyllite-group from SiO2-over- and undersaturated igneous rocks...is the first study of its kind for this mineral group and presents the relationships between average and...thickness-corrected 57Fe Mössbauer spectra of astrophyllite-group minerals are characterized by two strong absorption...and QS peak values in Fedominant samples, to broad distributions with small and QS peak values |  | | Show/Event (guide) | | historic Spinelli Prospect, Glastonbury, Hartford County, Connecticut - A. J. Albini & H. Moritz. 2:30...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) | | Minerals of the MOREFIELD DEGMATITE Amelia County, Virginia This large, complex pegmatite boasts...0.4 miles northeast of State Road 628 in Amelia County. Pegmatites are common in the Amelia area. Lemke...Figure 2: Location of the Morefield mine, Amelia County, Virginia. Figure 4 (above): Silas V. Morefield;..., and R. F. Martin. 1979. Amazonite from the Pikes Peak Batholith. Mineralogical Record 10:373-84. Geehan...Geehan, R. W. 1953. Morefield pegmatite mine, Amelia County, Virginia. U.S. Bureau of Mines report of investigation |  | Novak, M., Skoda, R., Filip, J., Macek, I., Vaculovic, T. (2011) Compositional trends in tourmaline from intragranitic NYF pegmatites of the Trebic pluton, Czech Republic: an electron microprobe, Mossbauer and LA-ICP-MS study. The Canadian Mineralogist, 49 (1) 359-380 doi:10.3749/canmin.49.1.359 | Journal (article/letter/editorial) | | allanite-type, euxenite-type (+ euxenite, aeschynite, pyrochlore, beryl, niobian rutile, zircon), and the most...allanite, de type euxénite (+ euxénite, aeschynite, pyrochlore, béryl, rutile niobifère, zircon), et la variété...Třebíč, République Tchèque. Introduction Tourmaline-group minerals are widely used as compositional (geochemical)...spectrum of accessory minerals, i.e., aeschynite-group minerals, euxenitegroup minerals, allanite-(Ce)...products of the primary minerals include abundant pyrochlore-group minerals, bastnäsite-(Ce), rhabdophane-(Ce) |  | | Book (edition) | | (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA). Dmitriy Belakovskiy (Russia). Fabio Bellatreccia...(Italy), T.S. Ercit (Canada). Alexander Falster (USA). Jeffrey de Fourestier (Canada). Robert Gault (Canada)...Henderson. Jr. (USA). D.D. Hogarth (Canada). J.L. Jam bor (Canada), Anthony R. Kampf (USA). Pave! M. Kartashov...Karnp-Moller (Denmark). Akira Kato (Japan). Lance E. Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria)...Republic). Per Nystcn (Sweden), David O'Hanlcy (USA). Filippo Olmi (deccased) (ltaly). Werner H. Paar |  | | 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...evolution of the Emmons rare-element pegmatite (Maine, USA)…………………………………………37 GUASTONI, A., GENTILE, P., NESTOLA...crystal chemistry and classification of samarskite group minerals………………………………………………………………………………………………………………………………...of the Berry-Havey rare-element pegmatite (Maine, USA): preliminary results……………………………………………………………………… |  | | Report (issue) | | concentrated in independent minerals such as pyrochlore, lueshite, dysanalyte, and others, apparently...of niobium is mostly from columbitetantalite, pyrochlore, and euxenite ores and possibly from rocks containing...samples are truly representative of the body or group of rocks that they are claimed to represent rests...can be of doubtful validity especially if, in a group of a few samples, some samples happen to be atypical...in sodic or alkalic granite. Within the alkalic group of rocks, nepheline syenite and mafic alkalic rocks |  | | Book | | describing some of its chemical properties. Within each group the minerals are listed accord¬ ing to CIM; and...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 |
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