 | | Report (volume) | | Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I o 00...of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT H. MOENCH and...____ Mines and prospects in the Idaho Springs district ________________ Previous studies.___________...gneiss. _________________________L___ J.______ Quartz gneiss.____________________________L__-_-_._-__...---------------- 20 21 21 '22 22 22 23 23 24 Quartz diorite_____-_--__________-____-__--__-__-___-__ |  | | Report (issue) | | Prospects, Idaho Springs District Clear Creek and Gilpin Counties, Colorado Descriptions and Kapa By...Commission Introduction The Idoiho Springs mining district forms an important segment of tae Front Range...discovered in Idaho Springs and lode gold in Central City, through 1959, ores valued at about $200 million...north, west, and southwest. The adjacent Central City district, which produced ores valued at more than...clearly the most important district in the mineral belt The Idaho Springs district from 1860 to 1959 produced |  | | Report (issue) | | hematite coating. Faraday Mine, Lots 16 and 17, Con. XI, Faraday Township, Hastings County, Ontario. ROM:M31141...also prospec tors and the exploration staffs of mining companies working in Ontario. This project was... . . . . . . . . . . . . . . . . . . . . . . . Quartz. . . . . . . . . . . . . . . . . . . . . . . ....Districts previous to the development of Regional and District Municipalities. West Half. . . . . . . . . . .... . . . . Central Ontario Counties, Districts, Regional Municipalities (RM), and District Municipalities |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...AMAZONITE with smoky quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar |  | | Journal (article/letter/editorial) | | THE OF ECONOMIC NOVEMBER, GEOLOGISTS 1985 Central City, Colorado'The Upper Part of an Alkaline Porphyry...for the molybdenitemineralization. Respective quartz•i•Soandfluidinclusion •iDvalues are:(1)earlymolybdenite...valuesof -70 to -57 per mil. A late tellurideveinhasa quartz•i•Sovalueof +11.2 per mil andfluidinclusion •iD...author that molybdeniteis more commonin the Central City and north Idaho Springsminingdistricts(Fig....Previousstudieshave recognizedfour stagesof mineralizationat Central City, listedin order of apparent decreasingage: (1) |  | | Journal (issue) | | Early Precambrian pillow lavas; Munekun Lake, District of Kenora. (Courtesy L. D. Ayres). Lower right:... Pye). Upper Back Cover Upper Upper Gold in quartz, Leitch Gold Mines; Beardmore. (Courtesy E. G....in a Silurian lagoon about 400 m.y. ago; Welland County. (Courtesy Shell Canada Ltd.). right: left: —...Minerals of Ontario Primary Rock-Forming Minerals Quartz 12 12 12 14 14 15 Feldspar Group Orthoclase...Physiography and Pleistocene Geology St. — 91 Mining in Ontario Mineral Extraction Part III 59 60 |  | | Report (issue) | | Feldspar Deposits Location Character of Deposit Mining Marketing Feldspar Production Consumption of Feldspar...Richardson mine, Bedford township. 2. Loading feldspar directly into truck at Cameron and Aleck mine, Murchison...when the Richardson mine began production in Bedford township, Frontenac county. Over 170 feldspar mines...of occurrence, spec ifications, and uses, with mining, milling, and marketing information. COMPOSITION...Granite or Corduroy Spar In places feldspar and quartz occur intimately intergrown, with small blebs and |  | | Book | | ceived ssmam sits)s Gold-bearing rocks, other than quartz, also auriferous arsenopyrite and stibnite .. 2...shades «3 a. Toad Mountain mining camp.......... 6. Hot Springs or Harrison mining camp... eu rtlendryxvInimnoealnp...silver ores—above). Silver ores from the Thunder Bay mining region, Lake: Superior) Ontapioas aah. .. ieee...es eicresea ame,sey vo he RN ‘eae 139 162 Quartz, quartz sand, and sandstone, suitable for glassjase...ON SPECIMENS... 0... 0¢ cus eee eae eed INDEX TO MINING DISTRICTS, AREAS, CAMPS, LOCATIONS AND CLAIMS, |  | | Journal (article/letter/editorial) | | North America; the rare earth pegmatitesb of Llano County (Texas), Minas Geraes(BraziI), Ytterby (Sweden)...pp. 11-13, 1933 8 Bastin, Edson S., Feldspar and quartz deposits of southeastern New York: U. S. Geol.Straey...1lBoth tin and tungsten minerals occur in pegmatitic quartz veins accompanying the Paleozoic granites of western...2, pp. 104-105, 1907. la Reid, A. Mclntosh, The mining fields of Morina, Mt. Claude, and Lorinna: Tasmania...pp. 300-311. t6 Dolmage, Victor, Finlay River district, British Columbia:' Canad'ian l[i'n. TH E AM |  | | Report (issue) | | west of Highway 38 Freebern mica mine Mobey (Burnham) mine Enterprise mine Sand Road (Card) quarry Dwyer...Road Kingston (Bedford) mica mine Richardson feldspar mine Glendower iron mine Road-cut at km 10.9, Westport...Hickey-Murphy lead mine Road-cuts at km 16.7, Westport Road McLaren phosphate mine Long Lake blue calcite...Lake zinc mine Gabbro quarry Road-cut on Highway 38 at km 57.6 Eagle Lake (Blessington) mine Sharbot Lake...occurrences Frontenac Quarr ies Limi ted Frontenac (Frontenac Draper Lake) lead mine Lacey mica mine Stoness | | | Report (issue) | | of Highway Freebern mica mine 8 y Mobey (Burnham) mine 9 Enterprise mine 10 38 38 Sand Road (Card)...(Bedford) mica mine 12 13 14 14 1D 1 16 16 17 Richardson feldspar mine Glendower iron mine Road-cut at...Hickey-Murphy lead mine Road-cuts at km 16.7, Westport Road McLaren phosphate mine Long Lake blue calcite...calcite occurrence Long Lake zinc mine Gabbro quarry Road-cut on Highway 38 at km 57.6 17 brucite occurrence...occurrence 18 Eagle Lake (Blessington) mine 18 Sharbot Lake road-cuts on Highway 19 ie, 38, kr 72 |  | | Report (issue) | | . . . . . . . . . . . . . . . . . Freebern mica mine . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . Mobey (Burnham) mine . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . Enterprise mine . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . Kingston (Bedford) mica mine . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . Richardson feldspar mine . . . . . . . . . . . . . . . . . . . . . . . . . . . . |  | | Book | | suivants illustrent la mAthoda. et t THB f| FRONTENAC LEAD MINIIG COMPANY. (CA.]S'A.DA..) LIMITED LIABILITY...follow- J \ •_ jjitigactounfcoftlw Frontenao Lead Mine (wMlcb h»...a brick chimney stack sixty feet high ka«' This mine is situated in the township of Loughbeen built,...rollern is also in place, and the entire apparati| mine with suitable buildings, fatattces and machi- might...be carried •• •• " the County Council, in the view of meeting tho in the mine, when it will be procured |  | | Report (issue) | | Economic Geology of the ·central City District .Gilpin County, Colorado By PAUL K. SIMS, A. A. DRAKE...1918. Economic geology of the Central City district, Gilpin County, Colorado, by Paul K. Sims, A.A. Drake...the Central City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology, Economic-Colorado-Central...tral City district. 2. Ore-deposits-Colorado-Central City district. 3. Mines and mineral re. sources-Colorado-Central...sources-Colorado-Central City district. I. Drake, Avery Ala, 1927joint author. II. Tooker, Edwin Wilson, 1923- |  | | Journal (article/letter/editorial) | | Geology, Colgate University, Hamilton, NY 13346, USA; gary.eppich@gmail.com * Correspondence: wpeck@colgate...ore deposits exposed on the surface (at the Dobbie mine), and presents stable isotope and mineralogical...terrane to the Adirondack Lowlands (New York, NY, USA). The identification of the Kilmar magnesite deposits...QC, Canada). Magnesite was mined in the Kilmar district from five mines that span ~6 km North–South. These...extracted by open pit methods followed by underground mining, and were active from 1913 until depletion of the |  | | Journal (issue) | | AMETHYSTINE QUARTZ group 4 x 5 cm, collected in 1978 by Donald Elliott at the Diamond Willow mine near Thunder...Rubellite Tourmaline on Albite from the Itatiaia mine, Minas Gerais, Brazil. The Rubellite crystal measures...KEITH PROCTOR, 88 Raven Hills Court, Colorado Springs, Colorado 80919 USA; tel: (303) 598-1233 66 The Mineralogical...began with the opening of the Thun der Bay amethyst mine in 1967, and in 1975 amethyst was declared by the...amethyst mining activity is confined to a 40 x 1% km area, approximately 56 km northeast of the city of Thunder |  | | Report (issue) | | of the Regional or Resident Geologist in whose district the area covered by this report is located. Copies...ZONE................. 11 CENTRAL GNEISS BELT.......................... 14 CENTRAL METASEDIMENTARY BELT..................... 20 FRONTENAC AXIS................................ 27 PEGMATITES OF THE GRENVILLE PROVINCE...K-Feldspar................ Plagioclase............... Quartz.................... Accessory Mineralogy............................ Potassium Feldspar........ Quartz.................... Mica...................... |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction..._ Igneous rocks _____________________________ _ Quartz monzonite gneiss ________________ _ Granite gneiss...gneiss and gneissic aplite ________ _ Quartz diorite and associated hornblendite_ Boulder Creek granite |  | | Report (issue) | | Ontario Grade and Evaluation ) Ivyanite Deposits Mining, Milling, and ?..V ficiation Marketing Kyanite...occurs in coarse-grained, kyanite-garnetmuscovite-quartz-feldspar gneisses interbanded with hornblende amphibolites...Ontario, kyanite occurs as metacrysts in a sericite-quartz-sillimanite schist interbanded with staurolite...medium-grained gneiss with red garnet, muscovite, quartz, and feldspar. Sillimanite and biotite are sometimes...of almost pure massive kyanite interbanded with quartz veinlets and granite pegmatite within the kyanite-garnet |  | | Report (volume) | | ............................... Phosphates of central France..........................._.....-...----...Olyinpia, Bath County, Ky............................... 2. Apatite in the Bonanza pit, Union mine, Portland...Portland, Ottawa County, Quebec .............................'................-- .......-... 3. Section on...Templeton, Ottawa County, Quebec ........................... .......... 4. Dike at the Union mine, Portland West...Ottawa County, Quebec .... 5. Ideal section southeast and northwest through the Emerald mine hill, Buckingham |  | | Report (issue) | | dyke, Purdy mine, 1942. Photograph by N.B. Davis, courtesy of the Canadian Institute of Mining, Metallurgy...road log South March feldspar mine March mica mine Humphreys feldspar mine Currie barite occurrence Pakenham...Galetta) mine Stanton lead occurrence Bell’s mine Calabogie area Bluff Point mine Calabogie iron mine Blithfield...(Caldwell) mine Clyde Forks mine Radenhurst and Caldwell mine Virgin (Dempseys) Lake celestine mine Tatlock...Donald mine Renfrew area Jamieson Lime quarry Renprior mine Zenith (Phoenix) mine Buckhorn mine Renfrew–McArthurs |  | | Report (volume) | | preparation. n. Tertiary History of the Grand Cafion District, with atlas, by Capt. C. E. Dutton, Published...Lode and Washoe District, with atlas, by George F. Becker. Published. TV. Comstock Mining and Miners, by...Curtis. Published. . -Paleontology of the Eureka District, Nevada, by Charles D. Wolcott. 'In press. ADVERTISEMENT...of New Jersey, by R. P. Whitfleld. Geology and Mining Industry of Leadville, with atlas, by S. F. Emmons...Emmons. In preparation. Geology of the Eureka Mining District, Nevada, with atlas, by Arnold Hague. In preparation |  | | Book | | RESOURCES OF CANADA PUBLISHED BY The Canadian Mining Journal Confederation TO BRITISH AND Life ...CONTINENTAL METALLURGISTS TO VISIT OF Ont. THE MINING CANADA ENGINEERS IN 1908. AND MINERAL...of the Celebrate British and Continental Mining Engineers and Metallurgists to Canada in of ...the Summer 1908 PUBLISHED THE CANADIAN BY MINING CONFEDERATION JOURNAL LIFE BUILDING. TORONTO...celebrate of excursion summer the Canadian Mining Institute. official The of guests Continental |  | | Report (issue) | | gold at the Jewel and other mines in the Greenwood Mining Division (R. Bell , 1902-3: Geo l. Surv. Can ....masses and crysta l s in vugs at the Highland Bell Mine , Wallace Mountain , n ear Beaverdell , 23 miles...3 Argentite has b een found at the Silver King Mine , Toad Mountain, about 5 miles south of Nelson (G...Surv . Can ., Ann. Rept. , IX, 27A). At the Slocan mining camp , argentite is present as a primary min eral...supergene mineral replacing galena at the Hewitt Mine, and as films associ ated w ith nativ e silver coating |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . Frontenac County............................... . . . . . Bedford...... ...... . . ... Concession VI, Lot 2, Bawden Mine............. Concession VIII, Lot 18..............IV, Lot 19......................... Haliburton County................................... Cardiff Township...Concession XVI, Lots 34 and 35................ Hastings County..................................... Carlow Township...Lot 23 t Tonkin-Dupont Mine... Concession XIII, Lot 24* National Graphite Mine....................... |
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