 | | Journal (article/letter/editorial) | | Vol. 20 SOCIETY OF' AMERICA MAY, 1935 No.5 COLORADO PEGMATITES KBNNBTU K. Lauons, Unioersity of Kansas...in every county 'of Colorado along the Front Range of the Rocky Mountains from Larimer County on the Wyoming...Wyoming line to Custer County in the south-centralpart of the state, and in scatteredpre-Cambrianareas...The pre-Cambrian schists and granites of Larimer County are cut by numerous pegmatite dikesl which have...exhibiting an ore mineral phaseoccur in Boulder County.3JeffersonCounty contains both tourmaline and muscovite |  | | Report (issue) | | gravity and magnetic data in the Salida region, Colorado By . J. E. Case and R.F. Sikora Open-File Report...4 Fig. 1 2 Index map of central and western Colorado Densities 2 8 3 4 Magnetic susceptibilities...1 Bouguer gravity anomaly map of west-central Colorado Gravity profiles along B-B 1 and gravity model...the Salida region, Colorado Plate 2 Aeromagnetic map of the Salida region, Colorado 9 17 18 20 22 23...gravity and magnetic data in the Salida region, Colorado By J. E. Case and Robert Sikora INTRODUCTION |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President July 2019 PICK...Pittman Topic: âMineral Collecting Locations in Coloradoâ Please note: Members whose names begin with A-L...July **In case of inclement weather please call** Mt. Carmel Veteranâs Service Center 719 309-4714 Number...Mem6 Pebble Corneron Pg Pg 5 bers andPups Phenakite Mt. Antero Pg 9 Bradâs Bench Tips Pebble PupsExhibit...meeting about where to collect mineral specimens in Colorado. There are hundreds, if not thousands of places |  | | Journal (issue) | | - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection;...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special supplement...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines...Thompson George Witters Martin Zinn III and Colorado in the :Mineralogical Record Supplement to The |  | | Catalog/List | | specimen from the Apache mine, near Globe, Gila County, Arizona GLOBES AND ATLASES ...... . 79 Sharp........ . . Mexico Durango, Mapimi, mina Ojuela. White-to-pale yellow sheave-like crystal groups on limonite...hydroxy-silicate. California Riverside County, Crestmore. White prismatic crystalline on merwinitegehlenite... AJOITE Copper aluminum silicate. Arizona Pima County, Ajo, New Cornelia mine. Sky- blue micro xls and...and coatings on monzonite . Arizona Pima County, Ajo, New Cornelia mine. S.ky-bJue crystals and masses |  | | Catalog/List | | PHOTOGRAPH: _ VANADINITE Apache mine, near Globe, Gila County, Arizona. Sharp hexagonal barrel-shaped crystal...1.50 . 25 Mexico Durango, Mapimi, mina Ojuela. White-to-pale yellow sheave-like crystal FI. 1. 00 groups...hydroxy-silicate. Ca lifornia Riverside County, Crestmore. White prismatic crystalline on merwinite . ...QUARTZ AJOITE Copper aluminum silicate. Arizona Pima County, Ajo, New Cornelia mine. Sky-blue micro xls and...and coatings on monzonite .. Arizona Pima County, Ajo, New Cornelia mine. Sky-blue crystals and masses |  | Gao, Wenyuan, Ciobanu, Cristiana L., Cook, Nigel J., Slattery, Ashley, Huang, Fei, Song, Dan (2019) Nanoscale Study of Titanomagnetite from the Panzhihua Layered Intrusion, Southwest China: Multistage Exsolutions Record Ore Formation. Minerals, 9 (9) 513 doi:10.3390/min9090513 | Journal (article/letter/editorial) | | newly-formed magnetite lamellae is clear evidence for trace element remobilization. This V-rich magnetite shows...Formation of 2-fold superstructure ilmenite + V-rich magnetite exsolution pairs representing non-redox equilibration...Province (ELIP), Southwest China [1]. In such ores, magnetite with high Ti content, hereafter referred as titanomagnetite...intermediate member in the +X 2â2X X 4 series magnetite (Îł-Fe3 O4 )-ulvöspinel (Fe2 TiO4 ), with complete...oxide spinels with the general formula AB2 O4 . Magnetite is one of the 2â3 spinels, where A and B are either |  | | Journal (article/letter/editorial) | | Longs Peak-St. Vrain batholith, near Jamestown, Colorado (U.S.A.)âJulien Allaz, Markus B. Raschke, Philip...mineralization in Wetlegs, Duluth Complex, St. Louis County, Minnesota, USAâSara RaicÌ, Aberra Mogessie, Zsolt BenkĂł...Berry, and Arthur Hickman 139 Trace elements in magnetite from massive iron oxide-apatite deposits indicate...formationassociated hematite, Gogebic iron range, Michigan, USAâ K.A. Farley and R. McKeon Gold grade variation...Zhang, Taofa Zhou, Feng Yuan, Wenjiao Xiao, Noel C. White, Yufeng Deng, Weiwei Lu, and Gang Deng 254 Vol |  | | Journal (article/letter/editorial) | | California at Los Angeles, Los Angeles CA 90095-1567, USA CU Center for Astrobiology and Laboratory for Atmospheric...Physics, Campus Box 392, University of Colorado, Boulder CO 80309-0392, USA a r t i c l e i n f o Article...reactant minerals oxidizes during the formation of magnetite and/or partially ferric lizardite (Evans, 2008)... 5251 Broad Branch Rd. NW, Washington DC 20015, USA. Tel.: +1 202 478 8900; fax: +1 202 478 8901. E-mail...catalytic accessory minerals in NAT1 showed minor magnetite, a 0.2â0.3% modal abundance of magnesiochromite |  | | Journal (article/letter/editorial) | | Copyright © 2002 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/02 $22.00 â«č .00 Pergamon...S0016-7037(02)00885-2 A plagioclaseâ olivineâspinelâmagnetite inclusion from Maralinga (CK): Evidence for sequential...Department, Washington University, St. Louis, MO 63130, USA (Received September 4, 2001; accepted in revised...(hercynite) and plagioclase with abundant dispersed magnetite, subordinate Ca-rich pyroxene, and traces of sulfides...consists mainly of plagioclase with some olivine and magnetite. The Mg-Fe phases of MaTroc are Fe-rich: olivine |  | | Journal (article/letter/editorial) | | komatiite-hosted Turret deposit in the Agnewâ Mt. White district, Western Australia F. Voute & N. ThĂ©baud...NorsemanâWiluna belt, Yilgarn Craton, the AgnewâMt. White district is the host of many gold deposits. Located...vicinity to the main gold corridor in the AgnewâMt. White district that includes the Waroonga and New Holland-Genesis...and directly east of Leinster lies the Agnewâ Mt. White district as defined by Cassidy et al. (2006).... The lithostratigraphy of the AgnewâMt. White district (Fig. 2) is broadly similar to that of the Kalgoorlie |  | | Journal (issue) | | Van Pelt, Los Angeles publisher g_ g John S. White â> affiliated with the Friends of Mineralogy ...Mamaroneck, New York circulation manager Mary Lynn White designed by Wendell E. Wilson Mineralogical Record...Articles The Bunker Hill mine, Kellogg, Shoshone County, Id a h o 339 by N. Radford and J. A. Crowley...uranium mine, Pontiac County, Quebec . 359 by D. L. Leavitt Shavano Peak . . . a new Mt. Antero? ............................................377 by J. S. White Barian Goyazite from B razil.................. |  | | Journal (article/letter/editorial) | | and *3 phases distributed on the area marked in white of the figure b. *4 This microanalysis is not marked...goethite distributed intragranularly to martitized magnetite, figure c. JEOL JSM-5410 SEM; NORAN TNM3055 EDS...Ht with magnetite relicts (actually remnant microstructure of strongly martitised magnetite, which is...Gtfi(m) in table, presenting completely martitised magnetite distributed within it and with intragranular Gt...distributed in goethite masses is martitised magnetite (Fig. 1c). Gt can also fill interstitial cavities |  | | Journal (issue) | | i.: Smithsonite; 12.5 cm, Kelly mine, Socorro County, NM, Riley Owen Photo Mineralogical Almanac...Garanin BorisZ. Kantor MichaelB. Leybov BryanLees (USA) YuriyB. Marin Vladimirl. Pavlishin(Ukraine) Igor...VictorT. Trofimov LydieTouret (France) John S. White (USA) ManagingEditor LudmilaA. Cheshko ScienceEditor...PromotingManager DesignIdea Ivan A. Baksheev Peter Modreski(USA),Zaya A. Bessudnova Anna V. Shcherbina, Maria A...2021. 0 Titul Photo Zircon.4 x 4 cm. Vein no. 5, Mt. Karavay,VishnevyeMountains,South Urals, Russia. |  | Wu, Chu, Hong, Tao, Xu, Xing-Wang, Zheng, Xiao, Wang, Cheng-Xi, Liang, Wan-Juan, Sun, Ke-Feng, Zhang, Hui-Jun, Wang, Bin, Dong, Lian-Hui (2022) Magmatic Process Associated with the Baogutu Reduced Cu Porphyry-Type Deposit (West Junggar, Northwest China): Evidence from Multiple Enclaves. Minerals, 12 (7) 815 doi:10.3390/min12070815 | Journal (article/letter/editorial) | | diorites [7,28]. [7,28]. Potassic alteration was magnetite, and epidote association, mainly in the diorites...10â80 ”m), biotite (~20 vol.%, 10â400 ”m), and magnetite (~15 vol.%, 10â50 ”m). The characteristics of...accessory minerals include apatite, zircon, ilmenite, magnetite, pyrrhotite, pyrite, and chalcopyrite [20]. Tuffaceous...(~5 vol.%, include: apatite, zircon, ilmenite, magnetite, pyrite, etc.) (Figure 4d). These tuffaceous siltstone...panel represents the bedding structureof(S and the white dashed line panels f and foliationsthe (S1)bedding |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Michigan Correspondents Dudley Blauwet Louisville, Colorado Miguel Calvo Zaragoza, Spain Joe Polityka Staten...Librarian Curtis P. Schuh Founder John Sampson White Editing, advertising 4631 Paseo Tubutama Tucson.... . . . . . . . . . . . . . . . . 198 by J. S. White, J. Fabre, W. E. Wilson & T. P. Moore Memoirs of...level of the Cresson mine, Cripple Creek district, Colorado in 1914 (see âThe Cresson Vug, Cripple Creek,â |  | Liu, X. C., Wang, W.-R. Z., Zhao, Y., Liu, J., Song, B. (2014) Early Neoproterozoic granulite facies metamorphism of mafic dykes from the Vestfold Block, east Antarctica. Journal of Metamorphic Geology, 32 (9) 1041-1062 doi:10.1111/jmg.12106 | Journal (article/letter/editorial) | | hb, bi, pl, ksp, q, mtâilm N345°W N87°E g, cpx, opx, hb, bi, pl, ksp, q, mtâilm N355°W N79°E g... hb, bi, pl, ksp, q, mtâilm N358°W N77°E g, cpx, opx, hb, bi, pl, ksp, q, mtâilm N350°W N80°E g... hb, bi, pl, ksp, q, mtâilm N354°W N74°E g, cpx, opx, hb, bi, pl, ksp, q, mtâilm N309°W S78°W g...pl, ksp, q, mtâilm 1764 25 956 14 N3°E S84°E g, cpx, opx, hb, bi, pl, ksp, q, mtâilm 1232 ...9 N10°E S80°E g, cpx, opx, hb, bi, pl, ksp, q, mtâilm 990 12 948 8 941 42 bi, biotite; cpx |  | | Journal (article/letter/editorial) | | University of Texas at Austin, Austin Texas 78758-4445, USA ABSTRACT The 750 km2 Dayman dome of the Late Cretaceous...footwall. These results indicate that the extensive Mt Dayman fault surface coincides with a domed S1 greenschist...Cross-polarized light photomicrograph of coarse-grained S1 (white line) running diagonally from top right to bottom...(outlined by dashed lines) running subparallel to S1 (white line) diagonally from top left to bottom right,...epidote (ep) and albite (ab), running top to bottom (white line), sample 0677A, Ampae Creek. Quartz (qtz) and |  | | Journal (article/letter/editorial) | | with the mostly garnet and spinel-absent biâcdâsillâmt assemblages preserved in the strongly oxidized rocks...g, garnet; ilm, ilmenite; ksp, K-feldspar; mt, magnetite; opx, orthopyroxene; pl, plagioclase; q, quartz;...Powell & Sandiford, 1988; Clarke et al., 1989; White et al., 2000, 2002, 2007; Diener et al., 2007; Diener...(Clarke et al., 1989; Waters, 1991; Fitzsimons, 1996; White et al., 2002, 2007; Diener & Powell, 2010). Sapphirineâquartz...Androy Volcano Ihosy Formation Migmatitic cdâsill-mt gneiss (locally g and/or sp bearing) Tranomaro Formation |  | ThĂ©baud, Nicolas, Sugiono, Dennis, LaFlamme, Crystal, Miller, John, Fisher, Louise, Voute, François, Tessalina, Svetlana, Sonntag, Iris, Fiorentini, Marco (2018) Protracted and polyphased gold mineralisation in the Agnew District (Yilgarn Craton, Western Australia) Precambrian Research, 310. 291-304 doi:10.1016/j.precamres.2018.02.013 | Journal (article/letter/editorial) | | alteration at the Crusader deposit is associated with magnetite occurring as disseminated crystals or as dense...assemblage is also marked by the presence of magnetite ± titanite, ilmenite (partially altered to titanite)...Bi-tellurides and minor chalcopyrite hosted within a magnetite and titanite assemblage and associated with elevated...2014. Geology, mineralogy, and geochemistry of magnetite-associated Au mineralization of the ultramaficâbasalt...orogenic-style overprint on a magmatic-hydrothermal magnetite-calcite alteration pipe?, Mineralium Deposita |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | B. Hoover: U.S.G.S., Federal Center, Lakewood, Colorado. John M. Hughes: Dept. of Geology, Miami University...Louise Reif: U. S. G. S., Federal Center, Lakewood, Colorado. Charles B. Sclar: Dept. of Earth Sciences, Lehigh...University of Arizona, Tuscon, Arizona. John S. White: Stewartstown, Pennsylvania. Hans J. Wilke: Eppertshausen/Hessen... except where noted. Labels on the axes have a white background, and when axes point toward the observer...ranges. The indices are to be assumed as being for white light, unless a reference is made to a specific |  | Hayman, Patrick C., ThĂ©baud, Nicolas, Pawley, Mark J., Barnes, Stephen J., Cas, Ray A.F., Amelin, Yuri, Sapkota, Jyotindra, Squire, Richard J., Campbell, Ian H., Pegg, Ian (2015) Evolution of a âŒ2.7 Ga large igneous province: A volcanological, geochemical and geochronological study of the Agnew Greenstone Belt, and new regional correlations for the Kalgoorlie Terrane (Yilgarn Craton, Western Australia) Precambrian Research, 270. 334-368 doi:10.1016/j.precamres.2015.09.016 | Journal (article/letter/editorial) | | Hunter, 1993; Standing, 2001; Agnew: Beardsmore, 2002; Mt Keith: Rosengren et al., 2005; Norsemen: Barley et...separated by the Emu Fault (Fig. 1). The Mount White Syncline consists mainly of the Vivien Formation...Folding to produce the Lawlers Antiform and Mount White Synform was closely te linked to intrusion of...difference is in part reflected by the absence of the White Hope Basalt and Turret Dolerite on the west limb...comagmatic (high-Mg tholeiite) sill. A more 4.2.9 White Hope Basalt te d complex internal stratigraphy |  | | Journal (article/letter/editorial) | | elongate (130 kin) greenstone belt in the Lawlers--Mt Keith area of the Eastern Goldfields of Western Australia...series. At Yakabindie in the centre of the Lawlers--Mt Keith belt, Western Australia, the nickel sulfide...NL 0.015% Cu) of disseminated sulfide in dunite at Mt Keith, 490 km north of Kalgoorlie demonstrated that...flows or small intrusions. The dunite pod hosting the Mt Keith deposit is one of a number occurring in a narrow...that at Mt Keith indicated that concentrations of ore, much higher in grade than that at Mt Keith and |  | | Journal (article/letter/editorial) | | characteristically definedby itsvaryingironmineralcontent(magnetite,pyrrhotite,pyrite,ilmenite, and siderite), averaging8... pyrrhotite, quartz, sphalerite,chalcopyrite,magnetite,arsenopyrite, sphene,andcassiterite (in orderof...characteristicallydefinedby variationsin the contentof magnetite (avg 4 vol%), pyrrhotite (2%), pyrite (1%), ilmenite...subordinate. In the bands rich in iron oxides Magnetite is the most frequent opaquemineral. With the exceptionof...Plane-polarizedlight. E. Three irregularbandsof pyrrhotite(po, white) separatedby phy!!osilicates(dark gray) which enclosevery |  | | Book | | speci mens from Takhtarvumchorr Mt. (Khibiny) and Lepkhe-Nel'm Mt. (Lovozero). Thus, only these two...TIONS in this book include color and black-and-white (SE M) photos of mineral specimens, crystal drawings...published in Moscow ïżœater. - materialy (materials) Mt. - Mountain Mts. - Mountains p - page pt. - part...aeschynite-(Ce) occurs with feldspar, micas. nepheline, magnetite, zircon, and pyrochlore in an alkaline pegmatite...Kara-Oba Deposit). Akdalaite is present as bundles of white translucent tabular crystals to 0.8 x 1 mm in size |
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