 | | Journal (issue) | | behold the splendid sparkle of the distant mica-mine dumps in New England sunshine to agree with tftis...of muscovite on the front door of Grandma's old iron stove. It was used in this manner because, although...JANUARY/FEBRUARY 1978 S BIOTITE, K(Mg, Fe)3 {Al, Fe) Si 30 1 o (OH,F)2 : Biotite is usually black or very...very dark brown in color. Biotite is a mica in which a large part of the alumina {which is normally present...present in muscovite) is replaced by iron and magnesium. This species of mica varies in composition as |  | | Journal (issue) | | Pottstown, Pennsylvania Donald R. Peacor Univ. of Michigan Abraham Rosenzweig Tampa, Florida Richard W...in 1978 by Donald Elliott at the Diamond Willow mine near Thunder Bay, Ontario. Photo by Harold and Erica...Rubellite Tourmaline on Albite from the Itatiaia mine, Minas Gerais, Brazil. The Rubellite crystal measures...Raven Hills Court, Colorado Springs, Colorado 80919 USA; tel: (303) 598-1233 66 The Mineralogical Record...began with the opening of the ThunΒ der Bay amethyst mine in 1967, and in 1975 amethyst was declared by the |  | | Report (issue) | | a short article on California diamonds. Amador County: A few small stones have been picked up near the...the towns of Volcano, Oleta and Fiddletown. Butte County: In 1853 it was observed that diamonds occurred..."Wliite Rock canyon and at Smith's Flat. Fresno County Small diamonds are reported to have been found...found a few miles north of Coalinga. Nevada County A 1-^ carat stone was found at French Corral. Siskiyou...El Dorado County Forest Hill. About : sixty have been : : : Bar. Trinit}^ County : INIicroscopic |  | | Journal (article/letter/editorial) | | THE MINERALOGICAL SOCIETY OF AMERICA AT DETROIT, MICHIGAN C. S. Hunr,nur, Jn., SecretarY. The thirty-second...November 8-10, 1951' at the Hotel Statler, Detroit, Michigan. scientific sessionswere held on each afternoon...itor: Walter F. Hunt, University of Michigan, Ann Arbor, Michigan. Counc'il'or (1952-55): Victor T. Allen...Foster, Champion Spark Plug Company, Detroit, Michigan. Robert Alchin Hatch, Electrotechnical Laboratory...THE MINERALOGICAL SOCIETY OF AMERICA AT DETROIT, MICHIGAN, NOV. 8-10, 1951 IONIC RADII OF'THE ELEMENTS |  | | Journal (article/letter/editorial) | | Eilitor: Walter F. Hunt, University of Michigan, Ann Arbor, Michigan. Councilm (1951-54): George T. Faust...Harold Lloyd James, U. S. Geological Survey, Iron River, Michigan. Charles D. Jefiries, Pennsylvania State...outcrops for the 140 miles from Pulaski County to Miller County. Representative samples of the clays used...The Iayer exhibiting exotic crystallization of biotite-augite-sanidine is a syenite-pegmatite formed during...use as watch jewels. The Yogo sapphire mine in Fergus County $'as one of the few important sources of |  | | Journal (article/letter/editorial) | | Eilitor: Walter F. Hunt, University of Michigan, Ann Arbor, Michigan. Councilm (1951-54): George T. Faust...Harold Lloyd James, U. S. Geological Survey, Iron River, Michigan. Charles D. Jefiries, Pennsylvania State...outcrops for the 140 miles from Pulaski County to Miller County. Representative samples of the clays used...The Iayer exhibiting exotic crystallization of biotite-augite-sanidine is a syenite-pegmatite formed during...use as watch jewels. The Yogo sapphire mine in Fergus County $'as one of the few important sources of |  | | Journal (article/letter/editorial) | | Editor: Walter F. Hunt, University of Michigan, Ann Arbor, Michigan. councilm (1948-1951): Clifford Frondel...Eberhardt Wii'liam Heinrich, University of Michigan, Ann Arbor, Michigan. Ralph Jercme Holmes, Columbia University...microcline, primary pegmatitic microcline, zinnwaldite, biotite, muscovite, phlogopite, pollucite, rhodizite, and...penetrated downward more than 175 feet with alumina, iron, titanium, and water increasing progressively but...schist, hornblende schist, biotite-hornblence-quartz-felcspar gneiss, biotite quartzite, and calciteepidote-garnet-rock |  | | Report (issue) | | Geology and Ore Deposits of the Boulder County Tungsten District Colorado GEOLOGICAL SURVEY PROFESSIONAL... 245 Geology and Ore Deposits of the Boulder County Tungsten District Colorado By T. S. LOVERING and...Lithology and petrography.______________ Quartz-biotite schist and gneiss. ______ Quartzite_ ________________________...____ Lithology and petrography.______________ Biotite granite and quartz monzonite-_ Hornblende diorite_..._____ Relations and age_ ____________________ Biotite latite porphyry dikes ______________ Occurrence |  | | Report (issue) | | and Ore Deposits of the Iron River-Crystal Falls District, Iron County Michigan GEOLOGICAL SURVEY PROFESSIONAL...of the Michigan Department of Conservation PAPER 570 Geology and Ore Deposits of the Iron River-Crystal...River-Crystal Falls District, Iron County Michigan By H. L. JAMES, C. E. BUTTON, F. J. PETTIJOHN, and K. L...cooperation with the Geological Survey Division of the Michigan Department of Conservation UNITED STATES GOVERNMENT..._______ Greenstone in the Hemlock FormationBird Iron-Bearing Member.._________ Thickness and relations |  | | Journal (article/letter/editorial) | | Associote Eilitors E. S. Larsen, Jr. and A. F. Rogers 1953 M. Fleischer and G. Tunell 1953-54 A. Pabst...tor: Walter F. Hunt, University of Michigan, Ann Arbor, Michigan Councilor (1953-56) C. Osborne Hutton...GRANITIZED ROCKS IN TIIE YELLOWJACKET DISTRICT, LEMEI COUNTY, IDAIIO co,,,"u ri,'"ilT3i,}, ffi;" ,Tewyork The...olivine gabbro, augite-hornblende-biotite diorite, hornblende-biotite diorite, pegmatite, and lamprophyre...marginal masses of biotite diorite and syenite about the body of hornblende-biotite diorite and a small |  | | Journal (article/letter/editorial) | | Associote Eilitors E. S. Larsen, Jr. and A. F. Rogers 1953 M. Fleischer and G. Tunell 1953-54 A. Pabst...tor: Walter F. Hunt, University of Michigan, Ann Arbor, Michigan Councilor (1953-56) C. Osborne Hutton...GRANITIZED ROCKS IN TIIE YELLOWJACKET DISTRICT, LEMEI COUNTY, IDAIIO co,,,"u ri,'"ilT3i,}, ffi;" ,Tewyork The...olivine gabbro, augite-hornblende-biotite diorite, hornblende-biotite diorite, pegmatite, and lamprophyre...marginal masses of biotite diorite and syenite about the body of hornblende-biotite diorite and a small |  | | Journal (article/letter/editorial) | | Eilitor: Walter F. Hunt, University ol Michigan, Ann Arbor, Michigan. Councilor (1946-a\: Joseph Murdoch...isomorphous series, of which scorodite is the ferric iron end member. Mansfieldite and intermediate members...of the series were lormed at Hobart Butte, Lane County, Oregon, probably in Miocene time by hydrothermal...Eocene kaolinitic clay. The arsenates of aluminum and iron form colloform crusts along open caviLies in the...kodachrome of a giant beryl crystal at the Ingersoll Mine near Keystone will also be presented. BASTINITE |  | | Report (issue) | | submarine volcanic system with associated chert and iron- and sulfide-rich pelitic rocks. Where faulted,...Karlson and John Wright, the Chief Mine Geologists at the Schwartzwalder mine during the course of this study...Mining History Previous Work 3 4 5 6 Description of Mine Workings 7 2. Regional Geologic Setting 9 3...Quartzite Petrography and Chemistry 21 23 24 Garnet-biotite Gneiss 25 Petrography and Chemistry 27 Mica...Geology 4. 12 12 44 Foliation Folds Faults Rogers Fault System Illinois Fault System 45 45 47 48 |  | | Report (issue) | | Copper. Scmi-mctals. Antimony. Tellurium. Iron. NON-METALS. 1. DIAMOND. Native carbon, C. ...observed in the gold gravels at Cherokee, Butte County, and this locality, became the most noted one in...short articles on California diamonds. A Amador County: few small stones have been picked up near the...towns of Volcano, Oleta and Fiddleto^vn. Butte County: In 1853 it was observed that diamonds occurred...Thompson Flat, two miles north of Oroville. El Dorado County: A diamond weighing 1| carats was found at Forest |  | | Report (volume) | | ............................................. Michigan ............................................................................................. Michigan ............................................................................................. Michigan ..........................'...... ....I.........Hematites of Alabama, McCalley, 3819. Iron ore mines in Jefferson County, Castlcnian, 777. Leaf impressions...Solaridze, from Alabama, Aidrich, 72. New. meteoric iron from Alabama, Foote, 1868. New snake from the Eocene |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised β’ by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 Β© MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Report (volume) | | Boletfn de Minas, nos. 2, 8. Habana, Cuba. Delaware County Institute of Science: Proceedings, vol. 8, no....Geological Survey: Supplementary Report, Harlan County. Frankfort, Ky. Lake Superior Mining Institute:...GeoWgico de: Anales, nos. 1, 2, 4. Mexico City, D. F. Michigan Academy of Science: Report, Sixteenth, Seventeenth...Seventeenth, and Eighteenth. Lansing, Mich. Michigan Geological and Biological Survey: Publication 21. Lansing...Chicago, 111. West Virginia Geological Survey: County Reports, Braxton-Clay. Morgantown, W. 'Va. Wyoming |  | | Report (volume) | | Mexico City, D. F. Michigan Academy of Science: Fourteenth report. Lansing, Mich. Michigan Geological and...Geological Survey, vol. 5 (A.) ; Map (coal, etc.) ; County reports Marion-Monongalia-Taylor counties; Cabell-Wayne-Lincolu...of the geological and biological survey of Michigan: Michigan Acad. Sci., 14th Kept., pp. 33-36, 1912....postglacial Mollusca; I, Emmet County, Michigan; II, Waukesha County, Wisconsin: Nautilus, vol. 27, pp...Howard B. 27. The origin of continental forms, II: Michigan Acad. Sci., 14th Kept, pp. 116-141, 1912. Baker |  | | Journal (article/letter/editorial) | | University of Michigan, Ann Arbor, Michigan. Councilor(1949-1952):Lewis S. Ramsdell,University of Michigan, Ann...Ann Arbor, Michigan. Accordingto the provisionsof the constitution the follorvinghavebeen electedto fellowship:...Helen Blair Barlett, AC Spark PIug Company,Flint, Michigan. William Howard Barnes,National ResearchCouncil...Willard Hall Parsons,Wayne University, Detroit, Michigan. Arthur Lindo Patterson,Bryn Mawr College,Bryn...REMAINS OF'A GABBRO-GRANITE TRANSITION IN NORI'OLK COUNTY, MASSACHUSETTS IELIX CIIAVES Geophysical Laboratory |  | | Journal (article/letter/editorial) | | University of Michigan, Ann Arbor, Michigan. Councilor(1949-1952):Lewis S. Ramsdell,University of Michigan, Ann...Ann Arbor, Michigan. Accordingto the provisionsof the constitution the follorvinghavebeen electedto fellowship:...Helen Blair Barlett, AC Spark PIug Company,Flint, Michigan. William Howard Barnes,National ResearchCouncil...Willard Hall Parsons,Wayne University, Detroit, Michigan. Arthur Lindo Patterson,Bryn Mawr College,Bryn...REMAINS OF'A GABBRO-GRANITE TRANSITION IN NORI'OLK COUNTY, MASSACHUSETTS IELIX CIIAVES Geophysical Laboratory |  | | Journal (article/letter/editorial) | | STUDY OF A MAGCOPPER SULPHIDE DEPOSIT IN PLUMAS COUNTY, TION CALIFORNIA, BY AND ITS MODIFICA- ASCENDING... SECONDARY ENRICHMENT3 H. W. TURNER AND A. F. ROGERS. I. GEOLOGY. H. W. TURNER. The copperdeposits...copperdeposits described in this paperare situatedin Plumas County, California, on the west slopeof the east range...Syndicate, Ltd. 359 360 H. W. TURN)ER AND A. F. ROGERS. oxidesand sulphides appearto me to havecrystallizedout...Central California, showingthe Location of the Engels Mine. a northeasterlytrend and to extenddown vertically |  | | Catalog/List | | tufts ACTINOLITE: Bull Run Quarry, Loudon County, Virginia, USA. sprays and tufts ACTINOLITE,variety AMIANTHUS:Steintal...ACTINOLITE,variety BYSSOLITE: French Creek, Pennsylvania, USA. sprays and tufts ACTINOLITE SMARAGDITE:Micciano...ADAMITE: Ojuela Mine, Mapimi, Durango, Mexico. crystals ADAMITE,variety CUPROAN:Gold Hill, Utah, USA. crystals...AFWILLITE: Crestffiore Quarry, Riverside, California, USA. massive AGRELLITE: KipawQ River, Villodieu Township...ALABANDITE:Tombstone. Arizona, USA. massive ALBERTITE(HYDROC,\RBONl: Prince Albert County. Nova Scotia, massive |  | Holm, D.K., Schneider, D.A., Rose, S., Mancuso, C., McKenzie, M., Foland, K.A., Hodges, K.V. (2007) Proterozoic metamorphism and cooling in the southern Lake Superior region, North America and its bearing on crustal evolution. Precambrian Research, 157 (1) 106-126 doi:10.1016/j.precamres.2007.02.012 | Journal (article/letter/editorial) | | OH 44242, USA Department of Geological Sciences, Ohio University, Athens, OH 45701, USA c Department...Sciences, Ohio State University, Columbus, OH 43210, USA Department of Earth, Atmospheric & Planetary Sciences...Massachusetts Institute of Technology, Cambridge, MA 02139, USA b d Received 14 April 2006; received in revised...depths. In northern Wisconsin and upper peninsula Michigan metamorphic monazite growth at 1.78β1.745 Ga (and...Arizona State University, Tempe, AZ 85287-1404, USA. 0301-9268/$ β see front matter Β© 2007 Elsevier |  | | Report (issue) | | commercial borates. Lawsonite, first found in Marin county in 1895, has proved to be of great petrographic...nickel telluride, melonite, found in Calaveras County in 1867. New minerals and new mineral this is ...products. The gem-bearing pegmatites of San Diego County have aroused special masses, interest. Many ...discussion of Mineralogy," fourth edition, 1932, or Rogers' "Introduction to the Study of Minerals," third...identified with the aid of Such tables will be found in Rogers' "Introduction to the Study of Minerals" or in |  | | Journal (article/letter/editorial) | | pegmatite was mined at Barringer Hill in Llano County in the early 1900s but was flooded by Lake Buchanan...from 1900 to the middle 1940s; but the Mariposa mine, which produced most of the rare minerals, ceased...& Minerals on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991)...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? β β β β best occurrence..."specimen quality" questionable occurrence Angelina County Lufkin, 1 mile N of Lufkin in railroad cuts, in |
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