 | | Report (volume) | | Mount Zirkel Wilderness and Northern Park Range Vicinity, Jackson and Routt Counties, Colorado By GEORGE...Mount Zirkel Wilderness and northern Park Range vicinity, Jackson and Routt Counties, Colorado. (Studies...mineral resources-Colorado--Jackson County. 2. Mines and mineral resources-Colorado-Routt County. 3. Geology-Colorado--Jackson...Geology-Colorado--Jackson County. 4. GeologyColorado--Routt County. I. Patten, Lowell L. II. Daniels, Jeffrey...forest lands in the Mount Zirkel Wilderness and northern Park Range vicinity, Colorado, that are being considered |  | Soulliere, S.J., Toth, M.I., Bankey, V.L., Smith, S.M., Pitkin, J.A., Cookro, T.M., Robinson, Roberts L.N., Molnia, C.L., Wandrey, C.J., Law, B.E., Spencer, C.W., Barker, C.E., Dersch, J.S. (1996) Resource potential and geology of the Routt National Forest and the Middle Park Ranger District of the Arapaho National Forest, Colorado. Open-File Report Vol. 1996 (96-82) US Geological Survey doi:10.3133/ofr9682 | Report (issue) | | Unconsolidated Deposits ...................... Colorado Mineral Belt ................................................................. Hahns Peak Mining District ...................................... Cam......................... Red Canyon-Crystal Mining District ................................. Spring Claims...Area (Farwell Mining District) ........................... Dailey (Atlantic) Mining District .............Solomon Mine Area (Farwell Mining District) ....................... La Plata Mining District........ |  | | Report (issue) | | River Adjacent Wilderness Study Area, Jackson County, Colorado By Robert P. Dickerson 1 and John R. McDonnell...Geological Survey Denver, Colorado 2 U.S. Bureau of Mines Denver, Colorado CONTENTS Abstract...................................... 1 1 3 3 3 3 6 Mining activity.........................................Adjacent (CO-010-104) Wilderness Study Area, Jackson County, Colorado. ABSTRACT The Platte River Adjacent...Area (CO-010-104) consists of 30 acres in Jackson County, Colorado, No mineral occurences, energy resources |  | | Journal (issue) | | 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...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...and Japan. ACCESS The majority of the amethyst mining activity is confined to a 40 x 1% km area, approximately |  | | Journal (article/letter/editorial) | | low-gradecopperand gold depositat CopperCanyon,Lander County, Xevada, formedin the contactmetasomatic environmentadjacentto...geochemical(Theodore, 1969) examinationof the district. Attempts have been made to documentthe range...appreciablylessdense. Apparently,metal zonation in the district is related to the fluid zonation. The CopperCanyonopen-pitmine...gold depositin the Battle Mountainmining district,Lander County,in north-centralNevada ,(Sayers et al....recorded productionfor the entire Battle Mountain mining district includes 150,282 ounces gold; 2,130,827 ouncessilver; |  | | Journal (article/letter/editorial) | | describes quartz masses with pegmatitic associations s Zirkel, F., Beitriigezur Geologischen Kenntnisder pyrentien...vein consists of ordinary quartz. In the Yukon district, Alaska,l8 there are qvartz veins which grade...Crossleremarked that in the Silver Clifi District, Colorado, peg'matite dikes in places became so rich...1896. lE Spurr, J., Geology of the Yukon Gold District, Naska. 18th Ann. Re0orl, U. S. G. S., pt. 3,... W., Geologyof Silver Clifi and Rosita Hills, Colorado.17thAnn. Rept', A. S. G. S., pt. 2, p.279, 1896 |  | | Journal (article/letter/editorial) | | HistoryandPre-Excavation Geology Abstract The Bingham mining district was discovered in 1863, shortly after Caucasian...center of the district had occurredby the end of the 19th century. Breakthroughs in mining technology were...to make the depositrainable, but once begun the mine rapidly becamethe largest in the northern hemisphere...the replacementdepositsby noted experts. Prior to mining, the Bingham porphyry copper deposit was characterizedby...verticallybeneath the surfaceand work is noxvin progressto mine copperoresbeloxvthe 3,300-footlevel of the old |  | | Journal (issue) | | May–June, 2017 Contents The St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany.......................... 302 History 1487–1624: Mining Begins in the Oxidation Zone ................................. 315 Modernization and the End of Mining ................................... 317 Collecting...working in the lode” (Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany...minrecord@comcast.net The geographically tiny St. Andreasberg District of silver mines has an outsized reputation: it |  | | Journal (article/letter/editorial) | | different methodsof genesis. As all geologistsand mining engineersmay not be entirely familiar with the...Adirondacks,the highlandsof New Jersey, and the Piedmont district. The metamorphosedsedimentary rocks here are mostly...C. Harder, "The Iron Ores of the Iron Springs District, Utah," U.S. G. S., Bull. 338, I9o8. * E. C. Harder... ' E. T. McCarty, "Mining in the Wollaston.ite Ore-Deposits of the Santa Fe Mine, Chiapas,Mexico," Trans...professionalpaperon the BreckenridgeDistrict, Colorado,concedesa dual stage. IIYPOTI-IESES OF ORIGIN |  | | Book (edition) | | in connection some information as to mines and mining renovation ; industry. " The student is referred...minerals An opal, zinc blende. 4. Pearly like pearl. stilbite, etc. When Example, talc, native magnesia...white. Bluish-gray, smoke-gray, greenish-gray, pearl-gray, ashgray. Velvet-black, greenish-black, bluish-black...near Clear Lake, in California; Inferno, Humboldt County, and Rabbit Hole Mines, Nevada; near Evanston,...Transylvania; also, Boulder Co., Colorado, at the Red Cloud Mine; in Magnolia District at the Keystone, Dun River |  | | Journal (article/letter/editorial) | | COMPOSITION FLUORITE MISSISSIPPI WAYNE OF FLUID DISTRICT, INCLUSIONS, CAVE-IN-ROCK ILLINOIS, AND UPPER...UPPER VALLEY E. HALL ZINC-LEAD AND IRVING DISTRICT • FRIEDMAN CONTENTS PAGE Abstract ................................... Cave-in-Rock fluorite district 890 .................................................................... 909 Cave-in-Rock district ................................................magmatic water. In the Wisconsin-Illinois-Iowa district, fluid inclusions in the ore minerals are highly |  | | Report (volume) | | report on Park City mining district, Utah, by J. M. Boutwell_ 41 Placer gold mining in Alaska in 1902,...by Alfred H. Brooks 49 The Glenn Creek gold-mining district, Alaska, by Arthur J. Collier_ _ Gold and pyrite...pyrite deposits of the Dahlonega district, Georgia, by Edwin 57 C. Eckel_ _ 64 Neocene rivers of the...field, Alaska, by Walter C. Mendenhall . 76 Gold mining in central Washington, by George Otis Smith Ore...by J. E. 81 Spurr Gold mines of the Marysville district, Montana, by Walter Harvey 88 Weed 90 List of |  | | Report (volume) | | viz: II. Tertiary History of the Grand Canon District, with atlas, by Clarence E. Dutton, Capt., U....III. Geology of the Comstock Lode and the Washoe District, with atlas, by George F. Beoker. 1882. 4°. xv...atlas of 21 sheets folio. Price $11. IV. Comstock Mining and Miners, by Eliot Lord. 1883. 4°. xiv, 451 pp...Price $1.20. VIII. Paleontology of the "Eureka District, by Charles D. Walcott. 1884. 4°. xiii, 298 pp...Geology and Mining Industry of Leadville, with atlas, by S. F. Emmons. Geology of the Eureka Mining District |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | | Journal (issue) | | saying that he is not promoting a dude ranch, a mining prospect, and that he has not been subsidized by...EARTH SCIENCE DIGEST ~t The Tetons across Jackson Lake. ommend that you collect a specimen of the...the rock named Wyomingite which may be taken from Zirkel Vesa, or from the dark rock occur ring in the Boar’s...view of the Tetons, and from here on down into Jackson Hole country almost all attention will be directed...toward the Tetons. By all means linger a while at Jackson Lake or down at the excel lent camp grounds at |  | | Journal (issue) | | California issue (November-December 1977) and our color Colorado-II issue (November-December 1979). We thought.... and Peter Keller, curator at the Los Angeles County Museum of Natural History, were instrumental in...“ The Snail” rhodochrosite specimen (N’Chwaning mine, South Africa) belonging to Pala Properties. All...may be purchased through various mineral dealers. MINE LAMP COLLECTORS UNITE! For some reason, it’s unusually...95383) are compiling a list of miners’ lamp and mining memorabilia collec tors, which they will circulate |  | | Book (edition) | | thi^ facts in crys- Mr is E. as to miiu'S and mining industry referred to the Text-book of Mineralogv...Localities of Minerals 883 2. Brief Notice of Foreign Mining Begions 875 IV. DETERMINATION OF MINERAI^S....lerals ^ iaUb.dtlon of if) L'he))i\r(d Proptriles of Mine nth ; (4) J lescrqjtions of Sj/6; cles j (o) JJeientiUiutloii...Peanrly Example, talc, native magnesia, stillike pearl. bite, etc. When united with submetallic lustre...Oxygen (oxides) with Chlorine^ Iodine^ or Brorides) mine (chlorides, iodides, or bromides) ; with oxygen |  | | Book (volume) | | LEONHARD 1779-1862 HARRY ROSENBUSCH FERDINAND ZIRKEL 1836-1914 1838-1912 A DESCRIPTIVE PETROGRAPHY..."improvements." The classifications of Rosenbusch and Zirkel were symmetrically arranged, even for the feldspathoid...eleven rocks, one mine; page 374, nine names, one mine page 380 fourteen names, one mine and so on. The...page 336, where, among twenty-four names, nine are mine. This, however, is not as bad as it may seem. The...Classifications Werner Von Leonhard Abich, Naumann, et al. Zirkel and Rosenbusch . Jevons, Beliankin .... Vogt |  | | Report (issue) | | prepared during the last 20 years by geologists and mining engineers of the U.S. Geological Survey and the........... . ........ . Colorado Buffalo Peaks Wilderness Study Area, Colorado, by D. C. Hedlund and R...Roadless Area and Powderhorn Wilderness study area, Colorado, by William . Sharp and M. E. Lane . . . . . ...Chama-Southern an Juan Mountains Wilderness study area, Colorado, by Maurice R. Brock and Alec E. Lindquist . ...eota-Flat Top, and ever Summer wilderness study areas, Colorado, by R. C. Pearson and L. L. Patten ..... . .. |  | | Report (issue) | | _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____ ____ Pag« 59...63 Good Hope barite mine, Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten...Ltd., mine...... --_--______.______ Lincoln County__-__-----_-----_-----___ Tern Piute district.........district____ .________..__ Nevada Scheelite mine.. _ ______ Hooper No. 2 mine __ _____ _ _ Yankee Girl mine_______________...Mountains_____________.____ Desert Scheelite mine..... _______ Gunmetal mine _ ___________ _ Manganese-tungsten |  | | Report (volume) | | 132 132 132 133 134 134 137 139 140 140 141 141 Colorado.................................................... . ......... ....'..-....--.-... Methods of mining.... ............................................. II. Outcrop of peridotite at Buck Creek, Clay County, N. C........ III. A, Corundum in chlorite at Corundum...Carolina; B, Corundum in gneiss, Muskrat Fork, Clay County, N. C... J... IV. A, Bed of ruby-bearing gravel...Caler Fork, Cowee Valley, North Carolina; B, Euby mine at Cowee Valley, North Carolina ............... |  | | Report (volume) | | ...... Macon County .........._. ...........,..-...........-......,.._, Sheffield mine .......... .....Clay County.. ................................................. Buck Creek or Cullakeenee mine.........corundum tracts...................... ......... Jackson County ................ ................................. Laurel Creek mine ........................................ Track rock mine ......-......'............. .................... Foster mine .............. ..._.... .---.-..-............... South Carolina |  | | Journal (article/letter/editorial) | | Inclusions occurring in leucites from the Oscar and Zirkel Mesa leucite lamproites consist of high (>10 wt...Australia (Prider, 1982; Jaques et al., 1986) and Zirkel Mesa, Leucite Hills, Wyoming (Cross, 1897). In...comprise small (<1 >m) skeIetal apatite and chalcopyrite crystals set within the glasses of low average...inclusions were observed. Inclusions in leucite from Zirkel Mesa Glass inclusions in leucite are common in...in leucite phlogopite lamproites from Zirkel Mesa. In these rocks microphenocrystal leucites are associated |  | | Report (volume) | | JARBIDGE, CONTACT, AND ELK MOUNTAIN MINING DISTRICTS ELKO COUNTY, NEVADA BY F. C. SCHRADER WASHINGTON... 58 __.____ 64 4 CONTENTS. The Jarbidge district Continued. Page. Description of properties._________...the west system of veins______________ 66 Pavlak mine. ________1_______ 67 Location _ _ ___________ 67...group__ ____ 86 86 Vulcan group ________ Mahogany mine Amazon-Rainbow group __ __________ Properties of...White Quartz vein 94 CONTENTS. 5 The Jarbidge district Continued. Description of properties Continued |  | | Book (edition) | | who have been engaged in the study of our great mining regions, especially in the West, have laid the...now in the active practice of the profession of mining engi neering. J. F. K. DECEMBER, 1899. NO TEXT...125-129; Marquette district, 129-136; Menominee dis trict, 136-139; Penokee-Gogebic district, 139-143; Vermilion...Western North Carolina and Virginia, 169, 170; Colorado, 170, 171; California, 171; Example 13, titaniferous...Example 29, Kelley Lode, 260; Lake Valley, 260-262; Colorado, 262-272; Example 30, Leadville, 262-266; Example |
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