 | | Journal (article/letter/editorial) | | systems: A LA-ICP-MS study of garnets from the Crown Jewel gold deposit Miguel Gaspar a d a,* , Charles...WA 99164-2812, USA c Department of Geology, Smith College, Northampton, MA 01063, USA Istituto Nazionale...LA-ICP-MS data for garnets from the Crown Jewel Au-skarn deposit (USA), discusses the factors controlling...evolution of metasomatic fluids. Garnets from the Crown Jewel deposit range from Adr30Grs70 to almost pure...Spectroscopy (LA-ICP-MS) REE data for garnets from the Crown Jewel Au-skarn deposit, which will be interpreted, |  | | Report (volume) | | Geological Survey Board and the Colorado Metal Mining Fund Board 1112-G Geology and Mineral Deposits...Geological Survey Board and the Colorado Metal Mining Fund Board UNITED STATES GOVERNMENT PRINTING...area between Silver Lake Basin and Bridal Veil Canyon. 19. Geologic maps of some mines in the area tributary...Suffolk mine and Staatsburg Basin_-_-__------__------26. Map showing property boundaries and mine workings...San Miguel and the Iron Springs mining districts, San Miguel County, Colo., the area that lies between |  | | Journal (article/letter/editorial) | | plate margins in British Columbia and the western USA. q 1999 Elsevier Science B.V. All rights reserved...dolomitic limestone and dolomite; in the Sanpu district of northern Anhui, they are Middle and Upper Cambrian...lower reaches of the Yangtze River and the Sanpu district — are located in upper mantle anomalies ŽZhao...limestone and dolomitic limestone; in the Tongling district, besides the for- The intrusions related to the...sulfide Žpyrite " pyrrhotite. deposits; in the Sanpu district, northern Anhui, Au– Cu skarn deposits may be |  | | Book | | Pape HARRIS COUNTY PUBLIC LIBRARY , | 3 4028 04886 ’ ; “4 : BP ae - ms bs . -a i 7 : ; -...Jewelry, Fresno, California (USA). Collection: Michael M. Scott, San José, California. Photo: Erica and...from William Larson’s Stuart Mine in the Pala Mountains, California (USA). Next to it, a step-cut, red-green... Collection: Houston Museum, Houston, Texas (USA). Photo: Erica and Harold Van Pelt, Los Angeles....quartz from the hydrothermal deposits of the Muzo Mine, Colombia. Collection: Mineralogical Institute of |  | | Journal (article/letter/editorial) | | location a~ included at the end of each entry. Adair County Chariton River (40-04-05N 92-4 I -23W). septarian...septarian concretions about 2 miles north of the Macon county line. CALCITE crystals enclosing bundles of acicular...hematite, quartz (Broadhead 1873b, 1877). Audrain County Mexico, in fire clay pits and spoil piles: PYRITE...University Library] at 19:58 29 October 2014 Barton County McKarrow’s coal bank (37-37N 94-28W), 2.5 miles...PICKERINGITE, pyrite, siderite (Broadhead 1873b). Bates County Panther Creek, northwest of Rockville in coal deposits: |  | | Journal (issue) | | colorful group Is from NewEraGems,GrassValley,California.(Photoby EarlLewis) REGULAR FEATURES Craftsman...RoeCrystal AutomaticCabber 4 Minutesto grind and crown a cab Send show information at least four months...saws Big 6 Cabber Complete or Kil Form 2-4-BLACK CANYON CITY, ARIZONA: Show, ·Rock-A-Rama 2001": Braggin'...Sat.; contact Wilma Flowers, HCI Box 930, Black Canyon Cily. AZ 85324, (623) 374-5623 or (623) 374-5435:...Show Inc.. lnternallonal Expo (1-X) Center, 6200 Riverside Or.; admission $5. children under 16 free; open |  | | Journal (article/letter/editorial) | | COMMUNICATIONS SKARN GOLD MINERALIZATION AT THE GEODO MINE, SOUTH KOREA EUI-JUN KIM,1 MAENG-EON PARK,2 AND...skarn deposit is located in the Taebaeksan mining district, South Korea. Both endoskarn and exoskarn are...monzodiorite to monzodiorite. Gold in the Geodo Mine occurs in a retrograde alteration stage within a...stages of the Bi- and Te-bearing skarn in the Geodo Mine consist of early calc-silicate alteration followed...stabilities. Gold in Au-rich ores from the Geodo Mine occurs as native gold, ranging from 5 to 400 µm |  | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and mineral associations. Also recovered from the mine was an abundance of fine, wellcrystallized baryte...of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure...Paradise 11 Mineralogy and Paragenesis Bulldog Mountain Mine 11 Six Stages of Mineraliza�on 18 Minerals Overview | | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and mineral associations. Also recovered from the mine was an abundance of fine, wellcrystallized baryte...of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure...Paradise 11 Mineralogy and Paragenesis Bulldog Mountain Mine 11 Six Stages of Mineraliza�on 18 Minerals Overview |  | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and mineral associations. Also recovered from the mine was an abundance of fine, wellcrystallized baryte...of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure...Paradise 11 Mineralogy and Paragenesis Bulldog Mountain Mine 11 Six Stages of Mineraliza�on 18 Minerals Overview | | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and mineral associations. Also recovered from the mine was an abundance of fine, wellcrystallized baryte...of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure...Paradise 11 Mineralogy and Paragenesis Bulldog Mountain Mine 11 Six Stages of Mineraliza�on 18 Minerals Overview |  | | Journal (article/letter/editorial) | | exposed mainly in the eastern part of the ore district (Figure 2a), which contains arkose, hornfelsed...Outcropping igneous rocks in and around the ore district include the Upper Permian Emeishan flood basalt...basalt is found in the southeastern part of the mining area. The Cenozoic alkaline porphyries include...region, they are relatively rare within the ore district but are considered closely related to the mineralization...mineralization. There are two main fault systems in the district, i.e., N- and E-trending. The former is dominant |  | | Journal (article/letter/editorial) | | Institute, 3600 Bay Area Boulevard, Houston TX 77058, USA (treiman@lpi.usra.edu) Shergotty and Zagami, Martian...Department of Geosciences, Virginia Tech, Blacksburg, VA, USA (melwood@vt.edu, rjb@vt.edu) 2 Lunar and Planetary...Planetary Lab, University of Arizona, Tucson, AZ, USA (kring@LPL.arizona.edu) While impacts provided the flux...Michigan State University, East Lansing, MI 48824-1115, USA (velbel@msu.edu) Earth and Environmental Sciences...Sciences Dept, Lehigh University, Bethlehem, PA 18015, USA (scp2@lehigh.edu) Background Weathering rates of |  | | Journal (issue) | | Al Tbe San Francisco Show Gold Collecting In California '. THE MAGAZINE THAT SHOWS YOU HOW Beautiful...except as noted.) 4959 YORK BLVD. LOS ANGELES, CALIFORNIA 90042 2 - JUNE 1976 Prkes F.0.1. Los A••eles...Caudle (RMFMS) P.O. Box 1512, Clifton, AZ 85533 CALIFORNIA FEDERATION OF MINERALOGICAL SOCIETIES Offlc-...Correspondence and requests for Information to the California Federation shoulo be addressed to: Mrs. Juanita.........44 Another New Mlneral from the Big Chief Mine by Martha Llnde .........................66 8 111 |  | | Book | | (both FalconGuides). He lives in Mission Viejo, California. Cover design by Bret Kerr Front cover photo...Eagle Picher Mine Area A: Opalized Wood, Agate, Opalite............... 60 Eagle Picher Mine Area B: Opalite...Picher Mine Area C: Opalite.................................................. 64 Eagle Picher Mine Area...Coal Canyon Road A: Dendrites..................................................... 67 Coal Canyon Road........................... 71 Cordero (McDermitt) Mine: Opalite, Sulfur, Cinnabar..................... |  | Ruan, Chen-Tao, Yu, Xiao-Yan, Su, Shang-Guo, Santosh, M., Qin, Li-Jie (2022) Anatomy of Garnet from the Nanminghe Skarn Iron Deposit, China: Implications for Ore Genesis. Minerals, 12 (7) 845 doi:10.3390/min12070845 | Journal (article/letter/editorial) | | deposits and their exploration. The Handan–Xingtai district (Figure 1a), located in the southern Taihang Mountains...Trans-North China Orogen (TNCO) The Handan–Xingtai district (Figure 1a), located in the southern Taihang Mountains...with proven in the middle of the Handan–Xingtai district, to the east of the Taihang Mountain fault reserves...zone [14,16,18]. the middle of the Handan–Xingtai district, to the east of the Taihang Mountain fault zone...twoIron different deposits offrom the Handan–Xingtai district±formed the early Cretaceous two± differspanning |  | | Journal (article/letter/editorial) | | (Bissig et al., 2003), the Lachlan fold belt Cu-Au district (Blevin, 2002; Lickfold et al., 2007), the central...Fubilan intrusion has an assemblage of oligoclase, orthoclase, quartz, and hydrothermal biotite (sometimes...Geologic map of Ok Tedi mine area and sample location, courtesy of Ok Tedi Mining Limited. Labels indicate...= Ieru siltstone, SMD = Sydney monzodiorite. The mine area is indicated by a dashed line. potassic alteration...altered and preserves plagioclase (An40–An10), orthoclase, and smaller proportions of mafic phenocrysts |  | | Journal (article/letter/editorial) | | a marine terrace chronosequence, Santa Cruz, California I: Interpreting rates and controls based on soil...systems: A LA-ICP-MS study of garnets from the Crown Jewel gold deposit . . . . . . . . . . . . . . . ....and zinc in stream waters affected by historical mining . . . . . . . . . . . . . . . . . . . . . . . ...developed on Pleistocene glacial drift (Michigan, USA): Mass balances based on soil water geochemistry...the Colorado Plateau and Rocky Mountain provinces, USA . . . . . . . . . . . . . . . . . . . . . . . . |  | Xu, Jing, Ciobanu, Cristiana L., Cook, Nigel J., Zheng, Youye, Li, Xiaofeng, Wade, Benjamin P., Verdugo-Ihl, Max R., Gao, Wenyuan, Zhu, Qiaoqiao (2020) Numerical modelling of rare earth element fractionation trends in garnet: a tool to monitor skarn evolution. Contributions to Mineralogy and Petrology, 175 (4) doi:10.1007/s00410-020-1670-7 | Journal (article/letter/editorial) | | grossular-rich garnet from the Crown Jewel Au skarn, Washington, USA, typically displays a chondrite-normalized...Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines, Northeastern University, Shenyang...display zonation from south to north across the mine area. Iron skarn mineralization occurs at the contact...Act actinolite, Cal calcite, Chl chlorite, Or orthoclase, Qz quartz in the distal skarn, i.e., from ...quartz in granitoids from Capitan Pluton, New Mexico, USA, and attributed to magmaticallyderived fluids (Banks |  | | Journal (issue) | | Secret splendors of the gem world by W. Tay lor CALIFORNIA MINERALS Who's behind the name? by Eleanor Learned...Howell . Jr Reg Vice President (R MFMS) 1207 N Canyon, Guyman . OK 73942 Contact Mrs Mignon Wagner. Execuuve...1nlormat•on and requests to the Amencan Federat,on CALIFORNIA FEDERATION OF MINERALOGICAL SOCIETIES FEATURES...accurate mechanical sensing diameter . . . the crown and pavilion device that enables me to cut girdle...attached to CRAIT BOOKS and transfer to do the crown, and I the machine and to a smaJI, inexpenFOSSI |  | | Journal (issue) | | Turley & M. Koval Mineralogy of the Killie mine, Elko County, N ev a d a ........................413 by...6-12 cm, Adamite with Hemimorphite from the Ojuela mine, pale green and purple Naica fluorites in small...have been col lected at the Duff quarry in Logan County, Ohio, for more than ten years. The crystals are...approximately 2 kilometers north of Huntsville, Logan County, in west-central Ohio. The quarry produces crushed...completing the first transcontinental railroad, the mining camps of the West, remote natural wonders —virtually |  | | Book | | this sample came from a deposit in Bruno Canyon, Owyhee County, Idaho. Traces piece of wood can weigh...GIRDLE CROWN /Above left: Characteristic of the standard brilliant cut are the thirty-two crown facets...and polishing. EMERALD OR STEP CUT CROWN GIRDLE APEX CROWN The emerald or step cut provides a large...full bottom for the stone. Although the number of crown facets and pavilion facets may vary, the general...brilliant cut pavilion facets has twenty-eight crown and —twenty-eight fewer than the standard brilliant |  | | Journal (article/letter/editorial) | | 50011, USA; n4sythe@gmail.com Department of Agronomy, Iowa State University, Ames, IA 50011, USA; mlthomps@iastate...diopside and plagioclase with lesser amounts of orthoclase and magnetite. Sn 1 1 1 1 1 1 1 1 1 Diopside...fractionation fractionation of of ferromagnesian orthoclase, and and biotite. biotite. ferromagnesian silicates...fractionation of of plagioclase, plagioclase, orthoclase, By By comparison, comparison, discrimination...mineralization being dominated by potassic alteration (orthoclase, and biotite), whereas the epithermal-style mineralization |  | | Book (edition) | | America, 541 South Alexandria, Los Angeles 5, California. A diamond glossary, a portion of which appeared...an ormer or ear-shell. From Pacific waters of California, Mexico, Japan, N. Z., and other countries. See...found occasionally, especially in Mexico and California. Usually of pronounced green, pale green or pink...variety of orthoclase, principally from Ceylon. Same as precious moonstone. See orthoclase. adularia moonstone...lazuli from BadakFrom all of these the Chinese shan district, of Afghanistan, or fashion small images, miniature |  | | Book (edition) | | Shells (including shells of Hawaii and the Gulf of California) by Percy A. Morris 7. A Field Guide to Rocks...smashing of crystals in magnificient pockets by mine foremen; such vandalism is not only stupid,...vein, although it does give a company the right to mine, should not be taken as justification of thoughtless...through the press or as stockholders, to force the mine operators to arrange for specimen preservation in...another. It matters not how the mine companies arrange this. Ideally, the mine could collect and sell specimens |
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