 | | Report (Issue volume) | | + 4, Mineral Fe # — of Australia and™ Papua New Guinea ...O02unse Geology of the Mineral Deposits of Australia and Papua New Guinea The COVER PHOTOGRAPH shows...Ireland Province, Papua New Guinea. The Ladolam gold deposit lies within the caldera floor which has...Economic Geology of Australia Guinea — 1. Metals 6.* Economic Geology of Australia Guinea — 2. Coal 7...Economic Geology of Australia Guinea — 3. Petroleum 8.* Economic Geology of Australia Guinea — 4. Industrial |  | | Journal (volume) | | MINING ENGINEERS 7 Redding Field District 7 Sacramento Field District 7 Gold Mines of Placer County ... 7 San Francisco Field District 07 Los Angeles Field District 97 GEOLOGIC BRANCH 98 Current Notes...Notes 98 Borax Lake, OIL FIELD California DEVELOPMENT OPERATIONS 99 109 SPECIAL ARTICLES 113'...results and conclusions, with maps, derived from field studies; and tied in with eco- nomic possibilities...with the field work delegated to a mining engineer in each district, working out from field offices that |  | | Report (issue) | | deposits Contact veins Tertiary deposits Quartz veins Gold and copper ores along contacts Sedimentary deposits...Antimony Borax Copper 62 ^4 74 --- Dolomite Gold ?5 Gypsum 8d Iron Lead-Silver-Zinc 87 87 ...Production Antelope Valley Region Character of rocks Minerals Bodqi and Masonic Region ( leology Bodie District...Production Asbestos Chromite Crushed Rock Diamonds Gold , Dredging Drift Mines Hydraulic Mines Placer...Mining Conditions Table of Mineral Production Copper Gold Hayden Hill Mining District Diamond Mountain Mining |  | | Report (volume) | | metallic values from the ores of copper, zinc, lead, gold, silver, graphite, molybdenum, mercury, etcetera...Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp...all the metals, and a corresponding expansion of mine work. The MINES HANDBOOK will hereafter be published...Tuckahoe, N. Y., April, 1920. Vll THE MINES MINE HOISTS HANDBOOK AND Years of experience in building |  | | Report (volume) | | metallic values from the ores of copper, zinc, lead, gold, silver, graphite, molybdenum, mercury, etcetera...California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE • MILL SMELTER Embodying recent developments...Compressor NEW YORK Crushing Rolls Air Compressors Mine Pumps Ball Mills Blast Furnaces Oil Engines Screens...for extremely heavy duty Required by the Mining Field Due to their design and construction, Ruggles-Coles...Mines Handbook is the only work covering the entire field, and its preparation has involved constant unremitting |  | | Journal (volume) | | ahead of any thing yet found on this ridge. This mine has also been explored and equipped in a very superior...a good deal. The telegraph for the Bald Mountain mine maintains the forward us here. tells us of snow...Montana is a very rich min- and 25° below. ing region, the mountains being full of iron, On our coast...that date (Wednesday), in copper, lead, silver and gold, the latter being San Francisco, at the hour named...Angeles, 49° above; day, Dec. 30th), ! ! , much gold into a better position, its present status group |  | | Journal (volume) | | visitors, interested to see how rock have the yellow gold extracted therefrom, and how cleverly the little...val- Through this trough-like depression extends a gold belt reaching a distance of fifteen miles from the...light colored and of greatly varying size. The gold-bearing quartz of the district is associated with...is that of the building and head frame at that mine. An electric plant is stalled at La Grange...a 120-stamp mill is also contemplation at this mine. Works, •Cut copyrlghleil by the Union Ii'on S |  | | 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. ...on Tennessee Valley Region. Aluminum, Prices of.................. 565 Accident Mine, Colo.......... 97...Accumulators for Electric Cars...... 480, Alabama Gold Belt Mg. Co., Ala...... 458 Aluminum Solder, Barnes...CampAcetylene Gas..... ..... . ...... ...... 485 Alabama Gold Milling.... ..... ...... 478 bell's Pat... ........... 407 Acetylene Gas, Archer & BurringAlabama Gold Mines...... .7, 133,256, 451 Aluminum, U.S.. .. |  | | Report (issue) | | Geology of the Blue Mountains Region of Oregon, Idaho, and Washington: Petrology and Tectonic Evolution...Evolution of Pre-Tertiary Rocks of thte Blue Mountains Region U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER AVAILABILITY...Mississippi Bldg. 3101 Geology of the Blue Mountains Region of Oregon, Idaho, and Washington: Petrology and...Evolution of Pre-Tertiary Rocks of the Blue Mountains Region TRACY L. VALUER and HOWARD C. BROOKS, editors ...evolution of pre-Tertiary rocks of the Blue Mountains region / Tracy L. Vallier and Howard C. Brooks, editors |  | | Journal (volume) | | hoist and office. The reopening of the old G win mine in Calaveras proposed by the Mining and Scientii-io...Scientii-io Pkess and A 10-stamp mill on the Spanish mine is also included putilisiied in the issues of October...and pumping depth and the rig on the ductions mine. stamps Twenty were added late works tons...authorities, and it is believed by the com- water of the mine. There are five pumps operated from this. There...great activity in gold mining it has been caused by the discovery of en- new gold fields. But in California |  | | Report (Issue volume) | | States, Puerto Rico, Northern Marianas, Island Possessions, and Trust Territory. This volume also has... Contents Page Puerto Rico, Northern Marianas, Island Possessions, and Trust Territory, by Steve W. Sikich and...which 329), which placed the collection of min- Mine Safety and Health Administration), eral statistics...•nformation 1s complete and ec:c:urat e." SECTION 1. Mine or group c011ered by this report. Name State____________... 441 • ~ C 0 Ill ,o, Please indicate any mine• opened or closed by your company during the month |  | | Journal (volume) | | engineering practice . Write forour new Catalog L. MINE & SMELTER SUPPLY CO., Agents REVERE RUBBER CO....CO. New York Office, 42 Broadway PURCHASERS OF Gold , Silver, Lead and Copper Ores ORE PURCHASING DEPARTMENT...Its Branches and Machine Work Manufacturers of Mine Cars, Skips, Cages, Semi- Steel Stamps, Dies and...MINING PROPERTY OF THE Gold Springs Mining and Power Company Property located at Gold Springs, Utah NOTICE...Trust Company , a corporation , plaintiff, vs. Gold Springs Mining & Power Company , a corporation |  | | Book (edition) | | plane O will meet the sphere of projection at the central point (f. 239) ; the planes i-l at the points indicated...object which has been selected must be seen iu the field of the telescope as reflected, first by the one...well as those of many other workers in the same field, contain many illustrations on the same subject...is contained in 360. occur in the tetrahedrons of gold and sphalerite, since 5 x 70 32' (the tetra360 (approx...often seen in dendritic crystallizations of native gold and copper, in which the angle of divergence of |  | | Book (edition) | | ^ fe o -• vO y MINERALOGY AND MINING. Mine Accidents —Ventilation — Ore Dressing, Etc. DESCRIPTIVE...System of Timbering in vogue in StaflTordshire Coal-field, and Applicable elsewhere. By Arthur R. Sawyer,...lific of valuable treats and advice." PRACTICAL MINE VENTILATION. WILSON. For the Use of Mining Engineers...above, there is also the department of Economic Mine) alogy, which is not here and (3) in the coarser...plane O will meet the sphei-e of projection at the central point (f. 239) the planes i-l at the points indicated |  | | Book (edition) | | plane O will meet the sphere of projection at the central point (f. 239) ; the planes i-l at the points...object which has been selected must be seen in the field of the telescope as reflected, first by the one...52". as those of many other workers in the same field, contain many illustrations on the same subject...example, five-fold twins occur in the tetrahedrons of gold and sphalerite, since 5 x 70 32' (the tetra360 (approx...often seen in dendritic crystallizations of native gold and copper, in which the angle of divergence of |
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