 | | Report (issue) | | GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR AND GEORGE H......................................... _... _._ Silver Plume granite (porphyritic biotite granite) ....................._.......... . Distribution in Colorado ................................................Chapter I.-Discussion of principles ... 97 Gold-bearing and silver-bearing groups of veins ................._' 97 Relative distribution of silver-bearing and of predominantly gold-bearing veins ..... 0........ |  | | 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...hornblende gneiss ____________ _ Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________...Boulder Creek granite _________________ _ Pikes Peak granite _____________________ _ Silver Plume granite |  | | Book | | mountains. Referred to the Committee on Mines and Mining and ordered to be printed. Treasury Department...general idea No official document in any gress of the mining interest on the Pacific slope. department of the...the fol- lowing points 1. The origin of gold and silver mining on the Pacific coast and present condition...diggings and quartz lodes. 3. Different systems of mining, machinery used, processes of reducing the ores...waste, and net profits. 4. Population engaged in mining, exclusively and in part, capital and labor employed |  | | Journal (volume) | | Bingham, Utah, Mining Black Sand Page. Abbott, James W A Visit to Ely, Nevada Mining at Bingham, Utah...Greenwater District Ditto Ditto Ditto Abyssinia, Minerals In The Requirements of Modern Mining 70S 52...Charles [64 James W. 82 431 114 Nelll 815 District, British W Columbia, The 783 431 795 736 241...Tube-Mill Lining Forbes Rlckard 511 17 The Boundary District The Mineral Output of. In 1906 Broken Hill, Acid...Proprietary Mine, He Treatment at G. D. Del prat Brown, Walter 8 A Filing System for Mining Engineers llucke |  | | Journal (volume) | | f.p. for for:v -" ...THE EN. N o GI "RNAL MINE NI'N NG G. J ou VOLUN/1E JANUARY TO LXIII. ...YORPQ. : - . - ". • : THE ENGINEERING AND MINING JOURNAL. VOLUME LXIII. JANUARY TO JULY, 1897...NOTED ARE IN ITALICS.) - Alabama Coal and Iron Ore.......... 16 Aluminum in 1896................. ....Patent Decision...... .182, 254 A. B. C. Mg Co., Ore.......... 641 Alabama, Copper......... *Aluminum...Aluminum, Prices of.................. 565 Accident Mine, Colo.......... 97 63, 159 Aluminum Reduction, Gooch's |  | | Journal (volume) | | ishei'owith an e.xaet model of a built on a one-tenth Union Iron Works of San It is complete throujjliFrancisco...lirst-classS-stampmill. of scale by the which ore it is It has its a miniature copy. cru.shcr,...Fi-ench capital, and tfiven its regular supply of yold ore, will work steadily, showing the entire iiiotlo of...visitors, interested to see how rock have the yellow gold extracted therefrom, and how cleverly the little...the mill is supthe dull-looking lumps of WORKS UNION IRON ; posed to be. To show ness, the figure |  | | Journal (volume) | | Agitator For Cyanide Tests L. Is in Italy. . . an Ore?. . . 686 155 114 51S . 629 759 348 . . W.... . 15 W. M. Brewer 485 793 177 Mexican Gold Mining Company 193 Alfred H. Brooks. Progress in 493...Matt. 760 .F. Lynwood Garrison. AUuvlals, Nature of Gold in. Bertram Hunt. ... 515 Aluminum, Uses of 424...Edmund Sliaw.... 656 Ditto Amalgamating Plates. .Silver Coating of 92 W. A. Caldeci.tt 445 J. H. Jory Amalgamation...American Institute of Mining Engineers. .F. L. Clerc... 346 Institute of Mining Engineers, OflUcerg of |  | | Report (volume) | | ; Garland Peyton, director, division of mines, mining, and geology, department of natural rnsources,...the generous support of thousands of individual mine operators, distributors, and consurnors, as wdl...Co1u-n11:tore, chromite, and tungsten ore Rcnred rwt g:n,1_1rn, although the...the trend for chromite and tungsten ore wi1s downwnnl dtirmg the latter part of the year. . The quantity...averaged higher in 1940 tha,n in 19:39, l>ut iron-ore prices were lower. Coal prices movr.•d upward compared |  | | Book | | and Strangers to the Colony who are interested in Mining, BY ti t;v i’. F.G.S.. wooftffS?®, F.R.Q.S...and Strangers to the Colony who are interested in Mining, BY woof)wS‘P, f. F.G.S., F.R.G.S., GOVERNMENT...for Prospectors ... Appendix II.—Glossary of Mining terms ... 101 Appendix III—Shipping Facilities...from Perth. It is the centre of an agricultural district, but has received a great impetus from tlie railway...Gascoyne River, and is the port for the Gascoyne district, where the principal pursuit is sheep farming |
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