 | | 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 |  | | Book | | enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground...oFtne ato aa Gem Ghd nQkTeane Uva a nes ly ia" mine Ui nrobs inesob cere ts ou ioe tok us 'aaieomolitt...exception of the rhodochrosites of the Sweet Home Mine, Alma, Colorado, which were loaned for photography...Rita Area and the Central Mining District, Grant County Burro Mountains Apache No, 2 District Lake Valley...Poughkeepsie Gulch and Mineral Point Silverton Area Iron Springs District (Ophir) Rico Mountains LaPlata Mountains |  | | Journal (issue) | | Gauthier (Paris, France) 131 The Gem Center (Palm Springs, CA) Gemological Division (Escondido, CA) Gemological...Kristall-Growing (Hoechsti, West Germany) Krotki Iron Mines (Los Angeles, CA) La Jolla Gems and Minerals...’s Minerals (Sparks, NV) Rocky Murchison (Palm Springs, CA) Geary Murdock (Idaho Falls, ID) M urphy's...several suites including Mont St.-Hilaire, the Jeffrey mine in Quebec, and a personally collected suite of dioptase...dioptase and other copper minerals from the Harquahala mine in west-central Arizona. Randy perfers to make his |  | | Report (volume) | | for sand and gravel, no single commodity tn this group has a total value of more than $100 million ; no...recently found in the Tenmile district, Summit County. In his booklet, which today would be classed as...feldspar, and mica, occur in some form in every county in the State. Among mineralogists, Colorado is...the world. The tellurium minerals are one such group. Many geologists, mineralogists, and mining engineers...yielded more than $400 million in gold. Another large group of minerals for which Colorado ore deposits are |  | | | | surrounded ce ne white calcite, from!iheBluebell Mine; Riondel, Digitized by the Internet Archive...fractions. The more mafic fractions with darker iron- and magnesium-rich minerals crystallize first and...groups: Minerals that have oxygen tightly bonded in a group around a central non-metallic ion. Oxides or carbonate...feldspar, nepheline, zeolite, sodalite, bonded in a group around a central silicon atom. kyanite, topaz, titanite...titanite, zircon, amphibole, pyroxene, chlorite, talc, clay, chrysotile, chrysocolla, quartz, lazurite |  | | Book | | fractions. The more ma.fie fractions with darker iron- and n1agnesiun1-rich 1ninerals crystallize first...groups: Minerals that have oxygen tightly bonded in a group around a central non-metallic ion. Oxides or carbonate...Silicates: Minerals have oxygen tightly bonded in a group around a central silicon aton1. Olivine, garnet...pyroxene, rhodonite, beryl, tourn1al ine, n1ica, chlorite, talc, clay, cb.rysotile, ch tysocolla, quartz...planes. For exan1ple there is one plane in mica, chlorite, topaz; there are two planes in arnphibole and |  | | Book (volume) | | (1933) AIME TRANSACTIONS VOLUME AIME TRANSACTIONS MINE PLANT VOLUME 112, MILLING METHODS (1933) (1934)...68-24170. Contents Volume II 49, Iron Ore Deposits of the Iron Springs District, Southwestern Utah J. HooveER...Utah Hav T. Morris 2: Mountain City Copper Mine, Elko County, Nevada RoBERT R. Coats F. KERR EDWARD...JOHN G. SIMOS Breccia Structures in the Ontario Mine, Park City District, Utah W. J. GARMOE 54. The...CHARLES A. ANDERSON Sih. Geology of the Christmas Mine and Vicinity, Banner Mining District, 1163 Ligt |  | | Report (volume) | | Significance and scope: Forresgeologic processes: Perry, ter, J. D., 3. T. G., 3. Mississippi River and...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: |  | | Book | | shore, in the desert, in the National Parks, on old mine tips or even in the soil in their yard. Many people...looking at the constituents of the rock, or at a group of obvious crystals, or at an ore, for example,...sheets. Mantle Zone between the earth’s crust and the iron-nickel core. Metamorphism Changes in a rock caused...them. Ultramafic/Ultrabasic rocks Rocks rich in Iron minerals and low in silica. Vein A more or less...are normally cemented with silica or calcite, and iron oxides may be present. Tillite (2) is cemented with |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System |  | | Journal (article/letter/editorial) | | Searchlightdistrictliesin the southernpart of Clark County,Nevada, 55 milessouthof Las Vegas. Callaghan(3)...orthoclase. Augite has altered to hornblendeand chlorite. Relict sub- hedralor anhedralaugiteoccursin...monomineralic fractions. Thesewere analyzedas a group. Purity countswere made,however, of eachsampleand...greatestconcentration in the augite,hornblende and chlorite group,(20-69 ppm). In all but onecase,thosesamples...muchlessabundant in theaugite-hornblendechlorite group. 4. V is concentrated in the magnetite,and Cr occursin |  | | Report (volume) | | Ark. Geol. and Conserv. Comm. Water Res. Circ.-Arkansas Geological and Conservation Commission Water Resources... 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 |  | | Report (volume) | | anonymous papers, placed at the end of Part I Co. county cos. · counties CORPORATE AUTHORS. Am G American...95; Prouty, 09, 12; Smith (E A), 76a; Labausage mine: Evans (A W), 09. Raccoon Mountain field: Gibson... 08 Talladega Co., Gold Log mine: Bastin, 16a Granites: Watson, 10 Iron: Chauvenet, 86; Eckel, 06b; Gesner... Alabama-Continued. Economic geology-Continued. Iron: hematites: McCalley, 97a; Birmingham district:...A), 91 Perry Co: Smith (E A), 84a, b Post-Eocene formations: Smith (E A), 94d 06a Ripley group: Johnson |  | | Book (edition) | | 1. 2. 3. 4. II. Sulphur Group Boron Group Arsenic Group Carbon Group 104 106 109 110 115 MINERALS...Nickel and their Compounds Uranium and its Compounds Iron and its Compounds Manganese and its Compounds 139...Amphibole Group 274 275 277 278 Beryl, etc 2. Unisilicates Chrysolite Group Garnet Group Zircon Group...Axinite 282 Danburite, lolite 286 Mica Group Scapolite Group 287 292 293 286 Nephelite, Sodalite,... Leucite 296 302 303 304 306 Feldspar Group 8. Subsilicates Chondrodite Tourmaline Andalusite, Fibrolite |  | | Report (issue) | | farther north, including the Deep Creek, Fish Springs, Dugway, Silver Islet, Grouse Creek, Raft River...more important Boutwell and L. H. Woolsey; the Iron Springs district, by C. K. Leith and E. C. Harder; and... . . . . . . . . . . . . . . . . . . . . . J 42 Iron ..... _~ ............ _. __ .... __ .......... _____........................ : . ....... -.· ... . 205 Iron minerals _____ ...... , ...... _.................. _. __ . __ . _.. _. ________ ........... . 209 Iron veins ....·..................... __ .. _..... _ |  | | Journal (article/letter/editorial) | | This article deals with that portion of San Miguel County extending from north of Telluride beginning at...origins in the establishment of county lines when San Miguel County was created in 1883. Geologically...mining district of Ouray County and the Silverton caldera of San Juan County. It should be noted that...that before the creation of San Miguel County, the Telluride district was called the Upper San Miguel district...mining areas at Sawpit, Mount Wilson, and Ophir (Iron Springs district) (Purington 1898; Noel, Mahoney and |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted...1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's finest ilmenite |  | | Report (volume) | | .....^.................................. 61 Springs............................................................. 173 CHAPTER VI. Mineral wells and springs.................................... 179 Definition.................................... 213 Thermal springs and volcanism....................................nephelite group.................................................. The cancrinite-sodalite group............................................. The olivine group................................................ |  | | Journal (volume) | | Earth, Editorial and Design by T he Brown Reference Group pie ISBN O 7489 7935 2 NO i 07 04 18 Printed in...with gold' is believed to come from the flecks of iron pyrite that can be seen in the pavements, and which...is made up of the elements iron and sulphur. Because pyrite contains iron, which can be extracted using...Mexico. Eight-sided crystals from the Traversella mine, Piedmont, Italy. .&. crystals. It can also be...are often replaced by pyrite. FACT FILE PYRITE Group: Sulphides Crystal system: Cubic Habit: Cubes, |  | | Report (volume) | | Statement of analyses_..______._________________ Springs _________________.._________________ Changes of...158 159 160 161 164 _______.. ___ 168 Thermal springs and volcauism_______________________ Bibliographic...__________________________________-____ The zoisite group _ ______________________ Topaz __________________________________...______________________________-.__ Iron carbonate._____ _________________ _ __ Silicated iron ores_____________________________...chemical elements, namely, oxygen, silicon, aluminum, iron, calcium, magnesium, sodium, and potassium. These |  | | Report (volume) | | analyses.......................................... ,i Springs............................................................. 175 CHAPTER VI. Mineral wells and springs.................................... 181 Definition.................................... 213 Thermal springs and volcanism....................................nephelite group .............................................. The cancrinite-sodalite group. ............................................ The olivine group. .............................................. |  | | Report (volume) | | ............................................. Springs.................. .(............................................ CHAPTER VI. Mineral wells and springs..................................... Definition........................................ Thermal springs and volcanism....................................nephelite group.................................................... The cancrinite-sodalite group............................................ The olivine group................................................ |  | | Report (volume) | | analyses......................................... Springs................................................................. CHAPTER VI. Mineral wells and springs...................................... Definition........................................ Thermal springs and volcanism....................................nephelite group................................................ The cancrinite-sodalite group.............................................. The olivine group................................................ |  | | Book (edition) | | surface. minerals, prob- ably including metallic iron. The mineralogist is limited to the study of the...chemical to how to clas- analyses to deter- — mine one of the fundamental properties of minerals the...forms of is, therefore, the Fig. 3-2. Fluorite, group of cubic crystals. Fig. 3-3. Quartz crystal....cubic crystals of fluorite; another cave in Wayne County, Utah, contained a large number of enormous crystals...unimportant respect of magnitude. Figure 3-5 shows a group of gypsum crystals from Naica, Mexico, the largest |  | | Book (edition) | | minerals. An interesting case in point concerns a group of lead oxychloride minerals from Laurium, a town...mining and smelting of metallic minerals to produce iron, copper, bronze, lead, and silver probably dates...quartz, and jade for weapons or implements; oxides of iron and manganese 8 coNncEePTs PartI as paints;...six metals: gold, silver, copper, tin, lead, and iron. A specimen of mercury was found in an amulet from...be found only during the lifetime of a particular mine. Wherever possible, authentic original specimens |
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