 | | Journal (article/letter/editorial) | | September/October: Silver crystals, Bachelor mine, Amethyst vein system, Mineral County, Colorado; Dave Bunk specimen...Colorado, 413; Nevada, 515 Annabergite, Kilometer 3 Mine, Laurium District, Greece, R. B. Cook, 154–59 Apatite... B. Cook, 426–31 Calcite, 462; Colorado, 410; Michigan, 312; Nevada, 516; New York, 162, 253; Quebec...Uvite with Overgrown Dravite, Bigelow, St. Lawrence County, New York, 250–59; Gemstone Deposits in Turkey...485–87 Chlorargyrite, Nevada, 516 Chlorite–group minerals, 318–25 Chlorite, New York, 162 Chloritoid, Quebec |  | | Report (issue) | | of Geochemistry ' * Chapter W. Chemistry of the Iron-rich Sedimentary Rocks GEOLOGICAL SURVEY PROFESSIONAL...FLEISCHER, Technical Editor Chapter W. Chemistry of the Iron-rich Sedimentary Rocks By HAROLD L. JAMES GEOLOGICAL...PAPER 440-W Chemical composition and occurrence of iron-bearing minerals of sedimentary rocks, and composition...distribution, and geochemistry of ironstones and iron-formations UNITED STATES GOVERNMENT PRINTING OFFICE..._________ ___________________ Iron minerals of sedimentary rocks __ ______ Iron oxides __ _______________________ |  | | 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...Creede 6 Rich Silver Legacy of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company...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...Creede 6 Rich Silver Legacy of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company...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...Creede 6 Rich Silver Legacy of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company...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...Creede 6 Rich Silver Legacy of the Bulldog Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company...Paradise 11 Mineralogy and Paragenesis Bulldog Mountain Mine 11 Six Stages of Mineraliza�on 18 Minerals Overview |  | | Journal (issue) | | Menlo Park, CA Donald R. Peacor University of Michigan Ann Arbor, Mi George W. Robinson Natl. Museums...R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University.....157 by C. Albertini Sellaite from the Brumado mine ..................................................Counties), Utah (Beaver, Iron and Washington Counties) and Arizona (Mojave County). This region is one of...frontiers for the formation of a mineraloriented group. It encompasses many interesting but relatively |  | | Journal (issue) | | world-wide locality index The localities are listed by county, followed by a listing of the most prominent minerals...pegmatite in Amelia County and the Lynch Station locality (turquoise crystals) in Campbell County, are now closed...(c) = currently closed to collecting ALBEMARLE COUNTY Alberene soapstone quarry-Alberene actinolite-tremolite...limonite pseudomorphs after pyrite, siderite Faber lead mine-near Faber cerussite, chalcopyrite, fluorite, argentiferous...topaz, tourmaline, triplite Trueheart pegmatite mine (f)-near Amelia beryl (var. aquamarine), microcline |  | | Report (edition) | | with cubic and octahedral cleavages, Pequea silver mine; middle left: azurite crystals on calcite, “old”...from the owners of the land, from the quarry or mine operators before entering to collect. (Land ownership...particular site, remember it is possible to visit the county courthouse in which the site is located, and trace...tested copper by Benjamin Franklin. In 1732 Gap mine land was owned by the honorable Proprietors Thomas...23 23 28 Adams County Native copper localities Teeter quarry zeolite Allegheny County Wittmer wurtzite |  | | Report (issue) | | C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...of Arts & Sciences, Central Michigan University, Mount Pleasant, Michigan © R. V. Dietrich and the Research...updated “check list” just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...have been completed. R. V. Dietrich Mt. Pleasant, Michigan September 1, 1969 3 Check List of Virginia...Native Elements Gold Silver Copper Platinum Nickel-Iron (Kamacite) (Tacnitc) Schrcibcrsitc Antimony Selenium |  | | Report (issue) | | (Photo: Wendy St George). Figure9 Arfvedsonite. Group ofcrystalswithin cavity in peralkaline rhyolite...George). 10 Figure 10 Arsenic, former Kapanga mine, near Coromandel township. (10 x 8 cm). (Photo:...x 8 cm). (Photo: Wendy St George). Figure 1S Chlorite, in vermicular aggregates in quartz vein cutting...Figure 27 Magnetite . Octahedral crystals in chlorite schis t , Mount Drow ne, Toaroha Survey District...paler green patch with slightly lower relief is chlorite. Pumpellyite is one of the minerals contributing |  | Aja, Stephen, Omotoso, Oladipo, Bertoldi, Christian, Dachs, Edgar, Benisek, Artur (2015) The Structure and Thermochemistry of Three Fe-Mg Chlorites. Clays and Clay Minerals, 63 (5) 351-367 doi:10.1346/ccmn.2015.0630502 | Journal (article/letter/editorial) | | (CUNY), 2900 Bedford Avenue, Brooklyn, NY 11210-2889, USA 2 Suncor Energy Inc. 150 6th Avenue SW Calgary, Alberta...carbon sequestration in sedimentary formations. Chlorite thermochemistry and structure have been investigated...study, to facilitate an improved understanding of chlorite equilibria. Three natural IIb chlorites were studied...Windsor [Fe-Chl(W)] and Michigan [Fe-Chl(M)]. The structure of each chlorite was refined in the ideal...techniques. Lattice parameters for the Windsor chlorite are a = 5.3786(6) Å, b = 9.3176(9) Å, c = 14 |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Green Valley, AZ Donald R. Peacor University of Michigan Ann Arbor, Ml Andrew C. Roberts Geol. Surv. of...Robinson Seaman Mineral Museum, MTU Houghton , Michigan Abraham Rosenzweig Tampa, FL May-June Volume...INTRODUCTION The Riddarhyttan ore field is situated in the county of Vastmanland, south-central Sweden, about 70...rich zone 187 Figure 1. Location map showing the county of Vastmanland and the Riddarhyttan ore field. |  | | Report (issue) | | read Vonsen. p. 46. T'nder anatase, San Benito County, add, at end of sentence, 136. They do Louderhack...30 E... M.n., read p. 89." Under cerussite. Inyo County (1) for sec. U,. T. sec. IJ,, T. 6 S., R. 30 E...erytlirite. add Tuolumne County: erijthrite 189. arscnopyrite in the Josephine mine, Logan (16), p. p. 1...Lake County, Bradford oecurence sliould bo li.sted as 2. p. 210. !^^onazite, Itiverside County, reference... Fisher (1 ) p. 1 'i'/. p. 2M. Powellite, Kern County, 2, under Wiese and I'age, reference should read |  | | Report (volume) | | search: Hershey, H. G. , 2. scale: Spieker, E. M., 3. Iron-range rocks, origin: Tanton, Distribution in geologic...P., 15. California, Barstow quadrangle: Trenton group, Ordovician: Bowen, O. E., Jr. , 5. Clark, T. H...4. also Limestone; Dolomite; Western, Claiborne group: Miss. Phosphate. Geol. Soc., 2. California: Calif...described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor:... Res. T. J., 1. Div. Mines, 33. Piedmont area: Baker, J., 1. Idaho: Prater, L. S., 2. Illinois, limestones |  | | Report (issue) | | .. - ._-.- ---------- BULLETIN NO.6. '£Hl~ IRON ORES 0]' MINNESOTA, THEIR GEOLOGY, DISCOVERY,... ORIGIN, AND DEVELOPMENT, COMPARISON OTHER IRON WITH QUALITIES THOSE AND OF DISTRICTS, 'VITH...extra edition published at their own expense,] THE IRON ORES OF MINNESOTA. CONTENTS. Pa,gc. Preface ....magnetite group (2). The impure jaspilitic-hematite-alJd-limonite group .... . (3). The carbonated iron group.................... . (4). The gabbro-titanic· iron group ....................... . (2). Microscopic characters |  | | Show/Event (guide) | | unchanged. Bruce and Cathy Gaber have assembled another group of outstanding exhibits. The Technical Session is...JohnJaszczak is an associate professor of physics at Michigan Technical University, where he is also the adjunct...d solution and epitaxy in autunite group and meta-autunite group minerals byA. J. Locock 2:30 M i n e...2:45 R a r e - e a r t h mineralogy of the Mohave County pegmatites, NW Arizona byS.L. Hanson, A U. Falam;...Natromontebrasite from the Meyers quarry, Fremont County, CObyM. I. Jacobson,.1, W Nizamoff,A. U. Falster |  | | Book | | Magnificent hexagonal crystals of chalyblte, an Iron carbonate. The triangular 'growth shadows' that...describing some of its chemical properties. Within each group the minerals are listed accord¬ ing to CIM; and...and Chihuahua, Mexico. In the USA silver occurs at Keweenaw, Michigan, in association with copper ores...bearing agents. Above: Copper from Lake Superior. Michigan. This crystal shows the enlarged faces of the...dendritic (plant-like) habit and is from Houghton, Michigan Right: This silver specimen from Seed. Sarrabus |  | | Report (issue) | | W. T. Schaller, Afwillite NMNH 95237 Dutoitspan Mine, Kimber¬ ley, South Africa Dutoitspan Ammonioborite...Geological Survey, 1950) Trinity Anemousite County, California. Contributions to Mineral¬ (discredited...Vonsen, 1920) NMNH 106112 from the Hillside Mine, Yavapai County, Ari¬ L. G. Berry, 1947. Composition and...Aluminocopiapite Utah NMNH K. J. Murata, Trinity County, California M. C. Bandy, 1938. Utah. J. M. Axelrod...Mountain, from Mine, Yavapai County, Arizona (L. J. Cabri, 1976) Island Group (F. Haycock, 1927) |  | | Journal (article/letter/editorial) | | AMP BIRD MINE Ouray County, Colorado TOM R O S E M E Y E R 1632 Camp Bird Mine Road P.O. Box 586 Ouray...courtesy Colorado Historical Society. The Camp Bird mine is one of Colorado's most famous gold mines and...the world's greatest gold producers. To date, the mine has produced almost 1.5 million ounces of gold along...Ouray to the mine follows Can yon Creek, becoming steep and precarious as it nears the mine. I n places...have lost their lives along the road to the mine and at the mine. The first rush of prospectors seeking gold |  | | Journal (issue) | | BOULBY MINE David Green NEWS and EVENTS Mick Wolfe Richard Bell 33 OLSACHERITE FROM WATERBANK MINE Steve...of the di covery of the matlockite pocket at Bage Mine Wirks\vonh. Derb) hire and its rediscovery by th...Victorian mineral dealer Bryce Wright. The Bage Mine matlockite was found in as ociation with large cry...might otbeiwise be lost. Unlike the well-known county record schemes, which operate in subjects such...StrontianBarileMine, Strontian,Highland. UK Journal of Mine, & MincrJls No. 25 -3- preserve mineralogical |  | | Report (volume) | | deposits-Continued Mines-Continued • Monument No. 2 mine-Continued Mineralogy and paragenesis of the Monument...___________________ Monument No. 1-Mitten No. 2 mine and Monument No. 1 Annex_______________________... 2 mine area. 6. Map of the workings in the Vanadium Corporation of America's Monument No. 2 mine. 7...maps and sections of the Monument No. 2 mine area, Apache County. 1. Index map of parts of Apache and Navajo...prepared from specimen8 collected in the Monument No. 2 mine, Monument Valley__ 18. Photomicrographs of thin |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Morehead Riverside, CA Donald R. Peacor University of Michigan Ann Arbor, Ml Andrew C. Roberts Geol. Surv. of...Robinson Seaman Mineral Museum, MTU Houghton, Michigan Abraham Rosenzweig Tampa, FL Correspondents Miguel...to miniature size) from the Eagle’s Nest mine in Placer County, California (half of them with quartz matrix)...Richard Rice, a lifetime resident of Washington County, Oregon, was a retired logging contractor. With |  | | Book | | milky quartz stems. Denny Mountain area of King County. Specimen from the collection of Cary A. Maykut...DESCRIPTIONS 21 ABBREVIATIONS 24 GLOSSARY 25 COUNTY INDEX OF MINERAL OCCURRENCES 29 MINERAL DESCRIPTIONS...(using a code explained on page 21) and a county by county list mentioning the nature of their occurrence...Parks and Monuments prohibit all collecting. state, county and city parks usually prohibit collecting. Please...sphenc, ilmenite, anatase, tourmaline, zircon, chlorite, magnetite, pyrite, chalcopyrite,allanite Rarely: |  | | Report (volume) | | Albuquerque, N.Mex. Mich. Univ. Mus. Paleontology Contr.-Michigan University Mu$.e"Pm Qf Paleontology Contributions... 299, Dec. 1955. Aitchison, William E. Donalda mine operations [Quebec]: Canadian Min. Jour., v. 76...and gas possibilities of the basins of the Sierra County region, in N. Mex. Geol. Soc., Guidebook of south-central...Contribution to studies of origin of Precambrian banded iron ores: Econ. · Geology, v. 50, no. 5, p. 469-468...diorite pegmatite near Camp Irwin, San Bernardino County, California: Am. Mineralogist, v. 40, nos. 5-6 |
|
