 | | Report (issue) | | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © 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 |  | | Journal (issue) | | or Genuine Artifacts? www.rockngem.com THE MICA GROUP Accessory Minerals Extraordinaire R&G_Gray_Bluecover_0814...STAINLESS STEEL CABBING UNIT This machine is made in the USA for Kingsley North. Features an all stainless steel...Colorado’s Mining History on Display......38 Mica: An Accessory Group ...................... 12 stunning specimens...4-square-mile area (minus the 20 acres of the Spectrum mine) for collecting by the public. There is a pit toilet...The oldest sunstone mine in Oregon is the Spectrum, owned by Chris Rose. The mine was originally owned |  | | Journal (issue) | | John L. Schwabe, Chairman ................... Portland C. Stanley Rasmussen ........ . . . . . . . ....Vogt Main Office: 1005 State Office Building, Portland 97201, phone (503) 229-5580. Baker Field Office:...to Oregon Geology, 1005 State Office Building, Portland, OR 97201. Send news, notices, meeting announcements...publication, and editorial correspondence to the editor, Portland office. The Department encourages author-initiated...will be appreciated. Second class postage paid at Portland, Oregon. Postmaster: Send address changes to Oregon |  | | Journal (issue) | | JANUARY-FEBRUARY 1978, Volume 53 Number 1 S 10 The Mica Minerals Mark C Blazek One Locality Minerals of...be returned to the photographer after use. The Mica Minerals "The Mica's comprise a glittering array...mineral species. The micas, according to their group name which is of ancient Latin derivation (probably...to behold the splendid sparkle of the distant mica-mine dumps in New England sunshine to agree with tftis...cabinet they can scarcely be surpassed. A chunk of mica is one of the first specimens acquired by any beginning |  | | Catalog/List | | Greenish, sparse, acicular micros in Penberthy Croft Mine, St 1cm £4 s AGARDITE Y Ca Cu As_O_O_H_____c_a_v_iti_e'-s-'in'-'-...215 69 3 11 Rich white crusts on matrix. Rawhide Mine, Mohave ½x½£3 _P_b_S_iO_13 _ _ _ _ _ _ _ _ _ _ _...Hornblende ALLANITE Black areas in actinolite Bastnas Mine Sweden lxl £1.20 CeYFeSiO Quite attractive blue-grey...£4 garnet group Crystal 1 inch across Grey veins in and on matrix, some with Fallowfield mine, Ix½ ALSTONITE...SO/4 OH magnification there arc small crystals County, Arizona -------------"'--------'-'--'----'--____;; |  | | Book (edition) | | from the Principal Localities in the Middlesex County Region in Connecticut Unclassified Material Page...APPENDIX B Maps of the Interior of the Roxbury Iron Mine, Mine Hill, Roxbury, Connecticut . . . Maps and Directions...Directions to the Mineral Localities in the Middlesex County Region in Connecticut .... Additional Locality...Foster Iron Mine................... Economic Geology: Description of the Tilly Foster Mine..............Tilly Foster Mine -1972 ........................ Brief Summary of the Tilly Foster Mine . . The Branchville |  | | Journal (issue) | | in a Silurian lagoon about 400 m.y. ago; Welland County. (Courtesy Shell Canada Ltd.). right: left: —...12 12 14 14 15 Feldspar Group Orthoclase 15 Plagioclase 16 Mica Group 17 17 Muscovite Phlogopite...19 Biotite Amphibole Group Hornblende Actinolite Tremolite Pyroxene Group Augite Hypersthene Diopside...Diopside Olivine Nepheline Garnet Group Garnet Staurolite Zircon Sphene Titanite Secondary Minerals...Alteration Clay Group Kaolin Serpentine Group , Serpentine Chlorite Group Chlorite Epidote Group Epidote Scapolite |  | | Journal (issue) | | Donald A. Haagensen, ............................ Portland Sidney R. Johnson ..............................910 State Office Building, 1400 SW Fifth Ave., Portland 97201, phone (503) 229-5580. Baker Field Office:...Lynch, Supervisor Second class postage paid at Portland, Oregon. Subscription rates: 1 year $6; 3 years...to Oregon Geology, 910 State Office Building, Portland, OR 97201. Permission is granted to reprint information...to Oregon Geology, 910 State Office Building, Portland, OR 97201. Information for contributors Oregon |  | | Book (volume) | | Dick's deep concern for the fate of the Sterling mine in Ogdensburg, New Jersey, and his intense interest...interest in mining history led him to purchase the mine in order to form a living museum so that it would...mineralogical community. Through his efforts, the Sterling mine has been declared a national historic landmark....greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...probably a greater variety of minerals in a single mine in Franklin, New Jersey, or Mont Saint-Hilaire, |  | | Catalog/List | | Greenish , sparse, acicular micros in Penbenhy Croft Mine, St cavities in quartz_________________ Hilary Cornwall...ALAMOSITE Rawhide Mine, Mohave Ixl £9 'A x A £3 1 xA Pb SiO/3_____________ County. Arizona, U.S.A £5___...Feldspar_____________ Black areas in actinolite Basinas Mine Sweden 1x1 £1.20 ALLANITE 9 Ce Y Fe SiO__________...grey masses with possible Alstonite Fallowfield mine, ALSTONITE 13 Hexham.Northumberland micros.____...OH__________ magnification there are small crystals County, Arizona Pure green cleavage AMAZONITE Landsverk |  | | Journal (issue) | | the U.S.A. 05 0 74470 02033 2 UNM’s HARDING MINE Exploring Plentiful Pegmatite 2 ROCKNGEM.COM ...With WorldWide Popularity 20 NEW MEXICO’S HARDING MINE The Must-See Pegmatite of the West Steve Voynick...TOURMALINE with ALBITE and QUARTZ Himalaya Mine, San Diego County, CA Watercolor by Frederick C. Wilda©...2020 7 Covington Has Moved! ROYAL PEACOCK OPAL MINE Dig your own Virgin Valley Fire Opals ALL YOU FIND...Lake Owyhee State Park, Malheur County, and also near Goble, Columbia County in 1967. Again, this new mineral |  | | Catalog/List | | ANDRADITE garnet group ♦ ANGLES ITE Pb SO/4 ANHYDIUTE Ca SO/4 AN KERITE-KUTNAIIORITE Dolom ite group ANN ITE Mica...Mica AN ORTHITE Fe ldspar ANORTHOCLASE Felspar Group ANTHOPH YLLITE Amphibole 2cm £8 3cm £ 15 Near...Near Chelan. E.Washington USA !x i £3 ½" £3 Ix½ £5 Rich fi ne grained black crystalline mass will Fluorescent... Rich wh ite crusts on matrix. Rawhide Mine, Moh ave County, ½ x ½ Arizona, U.S.A £3 Kragero Norway...Mapimi. Mexico A LLOPHANE ALSi O A LMANDINE garnet group ♦ A LSTONITE Ba C a CO/3 A LUJ\UNITE Al SO/4 A LUMINITE |  | | Journal (article/letter/editorial) | | STUDIES IN THE MICA GROUP; RELATIONSHIP BETWEEN POLYMORPHISM AND COMPOSITION IN THE MUSCOVITE-LEPIDOLITE...MUSCOVITE-LEPIDOLITE SERIES*I Ar.rnnp A. LnvrNsoN, UniaersityoJ Michigan, Ann Arbor, Mi,chigon ABSTRACT A determination...Department of Mineralogy and Petrography, University of Michigan, No. 174. t Extracted from a thesis, "Mineralogy...degree of Doctor of Philosophy, University of Michigan,' June 1952. 88 POLYMORPEISMAND COMPOSITIONIN...structure of mica (muscovite) and, in addition, confirmed in greater detail the structure of mica and other |  | | Report (issue) | | Publishing, version 1.2 Crystal Data: Monoclinic. Point Group: 2=m: Crystals thin and pseudohexagonal, to 1 cm;...= 1.661 2V(meas.) = 35± {52± Cell Data: Space Group: C2=c: a = 4.98 b = 8.67 c = 18.74 ¯ =» 90± ...Polymorphism & Series: Mineral Group: Occurrence: 2M1 polytype. Mica group. A late-stage mineral in lithium-bearing...Connecticut, USA). Distribution: In Madagascar, from Maharitra, on Mt. Bity. In the Namherere mine, Aukole...Aukole, Uganda. In the USA, from the Strickland quarry, Portland, Middlesex Co., Connecticut, and the Harding |  | | Journal (article/letter/editorial) | | pohwatp@si.edu Muscovite Shannon Canyon, Inyo County, California R ocks are made up of minerals. Some...minerals. The members of the amphibole, pyroxene, and mica groups are some of the most common and most important...actors” are pyrite and members of the feldspar and the mica groups, providing aesthetic backgrounds that show...fluorapatites that are collector favorites. The name mica, from the Latin micare meaning “to sparkle,” was...the fact that almost all members of this silicate group display a platy or flaky habit. Phyllosilicates |  | | Report (issue) | | ............................................... Mica ...................................................... 128 25. Map of the rocks near the feldspar mine in Sec. 6, T. 167 N., R. 33 W ....................was mined from such a body near Warroad in Roseau County, and magnetite, an ore mineral of iron, occurs...occurs in pegmatites in northern St. Louis County. Some molten matter may reach the slIrfaee and flow out as...ancient Lake Agassiz. The area is bounded by a group of sand and gravel beach ridges, from 5 to 20 feet |  | | Journal (issue) | | include 75c with each order for postpaid delivery in USA. RAYTECH EQUIPMENT COMPANY Formerly Mineral Equipment...l00.00 MALACHITE CRYSTALS on WAD Etoille du Congo mine, near Elixobethville Bcou11ful silky lustrous dork...your BO page illustrated catawg. SCOTT WILLIAMS MINE RAL CO., INC. 440 N. SCOTTSDALE RD. WHitney 5-0803...built up entirely from small obtuse rhambs. Levant Mine, St. Just, Cornwall, Eng land. T II E M 5 ...scolenohedrol faces on edges. Borrego, Son Di eg o County, Colif::irn,o times like long, slender needles |  | | Book (edition) | | and Rabun County, Georgia. Between 1900 and 1905 the corundum deposits of Gallatin County, Montana, were...worked to a small extent. The Corundum Hill mine, Macon County, North Carolina, is about 8 miles northeast...on Cullasagee Creek, and is the largest corundum mine in the United States. The mineral occurs in a peridotite...From the beginning of operations 'IJ,ntil 1900 the mine produced annually f!'OO to 800 tons of cleaned corundum...include the Behr mine, which had the best equipped corundum mill in the state; the Isbel mine, where the mineral |  | | Show/Event (guide) | | during highway construction, Hull Township, Gatineau County, Quebec. P. M. Bellev, R. Rowe & M. Picard. 2:45...e " from the Harder Farm, Hammond, St. Lawrence County, NY. M. Lupulescu. 3:45 H i s t o r y of the Powers...Powers farm streamside veins, St. Lawrence County, New York. M. R. Walter & S. C. Chamberlain. 4:00 M...assemblage from the Allah Cooper/Valcooper mine, Louisa County, Virginia. L. E. Kearns & M. D. Dunn. 4:30...e wavellite from the De Linde quarry, Garland, County, Arkansas. S. L. Hanson, A. U. Falster & Win. B |  | | Book | | charindustrial resources such as abrasive materials and Portland cement. A directory will guide traveling mineralogists...Mineralogy ; Human and Vertebrate Minerals; Metallurgy; Portland Cement Mineralogy; Resin and Amber; and Synthetic...are defined by chemical composition, structural group, and crystal system, with one or two references...fayalite (Fe 2 Si0 4 ) (see Olivine Group), group names, such as mica for all the minerals with the muscovite...pyrite) and also to a group of minerals having the same structure pyrite group). kind of mineralogic |  | | Journal (issue) | | Eastern Michigan E. Reed Wicander R. V. Dietrich COVER STORY : Fairfieldite from the Foote mine in Kin...Foote Mineral Company spodumene mine at Kings Mountain , Cleveland County, North Carolina consisted of six...28012 GENERAL DESCRIPTION The geology of the Foote Mine was described by Kesler ( 196 1). It is part of...of the quarry and another common wall rock is a mica schist with muscovite, biotite, oligoclase, quartz...principal potential ore values are in feldspar and mica. A pilot plant was operated for a time testing beryl |  | | Journal (article/letter/editorial) | | Editor: Walter F. Hunt, University of Michigan, Ann Arbor, Michigan. Councilor, 1924-1928: William F. Foshag...and colloidal in the third, perpendicular to the mica-like plates. Their remarkable powers of adsorption...such minerals. A. N. Wrncrnr-t: Studi,es,in the Mica Group. An extensive abstract of this paper is published...(Ca*Na) atoms is constant in each part of the zeolite group whose molecules are capable of forming mixcrystals...difiers widely in difierent parts of the whole group. This th:ory of the isomorphous relationships of |  | | Report (issue) | | the Mescal Limestone in the Proterozoic Apache Group by intrusion of diabase sills about 1,100 Ma (Shride...corresponds chiefly to the outcrop area of the Apache Group and diabase sills. Although zones of asbestos alteration...and in thermal insulation. Feldspar The feldspar group of minerals are anhydrous aluminum silicates of...constituents of igneous rocks. The members of the group that find common use as industrial minerals are...that runs from Lake Mead in Mohave County southeastward to Cochise County. Five locations are listed in table |  | | Book (volume) | | (center), and Luther Kimball Stone (right) at Mount Mica quany, circa 1891-1893 (photo courtesy of Ben Shaub)......................................... 73 Mount Mica: The Beginnings of Maine Mineral Production . ....Shaub Mining Experiences and Observations at Mount Mica in 1964 and 1965 .................................Extracts from a Diary Concerning Mining at the Dunton Mine, Newry, Maine ....................................Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ..................................... |
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