 | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . . 29 Chile . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . 33 Chile . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . 35 Chile . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . 38 Chile . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . 51 Copper Metallurgy in Northern Chile . . . . . . . . . . . . . . . . . . . . . . . . |  | | Book | | Elementary 39 Elect. Colliery Practice . Mine-Surveying . . Mine Air, Investigation of. Mining Law . . Blasting...LARSEN J. RIEMER . . J. G. LAWN, A. R.S. M. - Mine Accounts º7 PROF. JAMES PARK, F. G.S. - - $3...de la Sociedad Nacional de Minería,” Santiago de Chile (monthly). “ Boletín del Cuerpo de Ingenieros de...corresponding substantive.) alluvial mining. Andalusia (Province), Spain. Antioquia (Department), Republic of Colombia... Bol. de la S. N. de M. . - - - - Aragón (Province), Spain. Argentine Republic. assaying. building |  | | Journal (article/letter/editorial) | | certain types of Brazilian granites and gneisses, "~batea test has recently been made on a nmnber of hand...through a moderately fine sieve, concentrated in the batea and examined under the microscope after cleaning...XENO'rIME IN EUROPEAN ROCKS. 809 pyrites altered to limonite, btlt negative results were obtained in tests |  | | Journal (article/letter/editorial) | | certain types of Brazilian granites and gneisses, "~batea test has recently been made on a nmnber of hand...through a moderately fine sieve, concentrated in the batea and examined under the microscope after cleaning...XENO'rIME IN EUROPEAN ROCKS. 809 pyrites altered to limonite, btlt negative results were obtained in tests |  | | Report (issue) | | manufactures, in agriculture, or in commerce. It is the province of the State Mining Bureau to give general information...of arts and manufactures and products of soil and mine, in the year 1876, in commemoration of the anniversary...arts, manufactures, and products of the soil and mine; and whereas, such an exhibition should be national...Arizona, on the south by the Mexican State or Province of Lower California, and on the west by the Pacific...Named Carbonates. ARAGONITE. Etym. Aragon, a province in Spain. Carbonate of Lime. 9. 15. AZURITE. Etym |  | | Journal (article/letter/editorial) | | L~wlsI~E. HIS new antimonate was found in the cinnabar mine of Tripuhy, near Ouro Preto, Minas Geracs, Brazil...the rock contains much iron-pyrites altered to limonite, and is c~lt by a dyke a few metres wide of diabase-porphyrite...size of a fist. This gravel, on washing with the batea, affords a residue of fine heavy sand consisting |  | | Journal (article/letter/editorial) | | amorphous hematite, or hematite intermixed with some limonite. 388 E. C. HARDER AND R. T. CHAMBERLIN Some...amorphous form, with a considerable percentage of limonite. The different varieties of laminated ore are...cementing material is largely hydrated hematite and limonite, red or yellow in color, giving different portions...been dissolved and redeposited in the form of limonite in pores and along GEOLOGY OF CENTRAL MINAS...sometimes been completely closed.4 That certain limonite deposits have been produced in this way is evidenced |  | | Report (issue) | | ton $51 00 222 00 $273 00 Copper Ore, Pioneer Mine, Boliuas Bay, Marin County 3358. Silver, per ton...analysis of auriferous gravel, from Nevada hydraulic mine, Chalk Bluffs, (See Second Annual Report, 1382,...County, in May, 1880. Bowen. Crystals of gold. Banner mine, near Michigan Placer County. Two pieces, the largest...specimens of silver ore, coated with embolite. Etna mine, Globe District, Pinal County, Arizona. Loan. William...Ores containing free gold, with pyrite. Treasure mine, Placer County. Hidden Free gold in porphyry, |  | | Report (issue) | | California Bolivia Brazil California Central America Chile chemistry Colombia crystallography Cuba Ecuador...Bolivia Brasil California (EE.UU.) America Central Chile quimica Colombia cristalografia Cuba Ecuador frances...according to country: Argentina Bolivia Brazil Chile Colombia Costa Rica Cuba Curacao Ecuador El Salvador...the legua vary from country to country: Argentina Chile Colombia Cuba Ecuador El Salvador Guatemala Honduras...monton varied from 15 to 32 quintales. 5 Except in Chile where a cajon is 6,400 libras and Peru where a cajan |  | | Book | | 61 232 PART The Making 43 II 5 7 3 III Mine PART 267 IV Glossary 279 Bibliography 291...minerals which make lovely cabinet specimens. old mine western states, to kick up and oxidation, ...abandoned cially in the dumps not unusual for mine dumps, espe- a solid gold or silver nugget, simply...glossary and Part III is devoted to a section on small-mine development. The proper use of a geologic map...for profitable hunting or for developing your own mine are as great as ever. America needs strategic minerals |  | | Book | | gold mine only a few miles from his present home. He and a friend found the brush-covered mine mouth...who thus suddenly found out that he owned a gold mine. Annotated lists of magazines and books which rockhounds...the gravel in one particular sapphire-gold placer mine is passed of mesh. sapphires size. The through...years ago, as a visitor to the sapphire-gold placer mine in Montana previously described, the writer, wanting...sapphires found in three years of operation at that mine! Similarly, don’t be in a hurry to discard the material |  | | Book (edition) | | Magnetite, Corundum, Cassiterite, Zircon, Pitchblende, Limonite 104 n 15. ii Manganite, Pyrolusite, Psilomelane...so giving rise to a new growth of the mineral limonite (hydroxide of iron). The space formerly occupied...by the cube of iron-pyrites is now taken up by limonite, a mineral which never crystallises as cubes,...have then a pseudoiron morph (or false form) of limonite after iron-pyrites. CHAPTER III. The Physical...their streaks ; by the colours haematite red, limonite brown, and chalybite white. The colours displayed |  | | Journal (issue) | | x 1 x ½ .•.• .. •. •. 7 .50 COBALTITE, Columbus Mine, Cobalt, Ontario. Bright loose xis. about 3/ 16"...to large sizes, enquire. ATACAMITE, Tocapilla, Chile. Xld. mass. 3 x 2 .•.••••••. •• •.••• 5.00 Ar10ther...point on the Zambesi River for the Moatize coal mine, or at Blantyre. Production, however, was small...arrangement with the manager of the Moatize coal mine to take over operation of the field. This agreement...particularly during the 5 or 6 months when the coal mine is closed down or on shore production owing co the |  | | Book | | disig- norant of the methods by which a great mine should be opened, developed, and worked. A few...sulphides, and are harder to treat. fore act very mine The prospector should therewhen trying to develop...with which it can be mined. The famous Treadwell mine, on Douglas Island, Alaska, has ore that is worth...dollar a ton profit, and hundreds of thousands tin mine known as and the Burra copper mim- in Australia...with South American miners. It made of hard batea. deep in is is wood, 20 inches in diameter, 2 |  | | Book (edition) | | Chalybite, ..... Cerusite 19. 116 122 blende, Limonite 22. SULPHATES: Barytes, Anglesite, Gypsum, Linarite...so giving rise to a new growth of the mineral limonite (hydroxide of lution; its PSEUDOMORPHS 33...cube iron). of iron-pyrites is now taken up by limonite, a mineral which never crystallizes as cubes...form. We have then a pseudomorph (or form) of limonite after iron-pyrites. any false CHAPTER III...streaks; that of magnetite is black, haematite red, limonite brown, and chalybite white. TRANSPARENCY AND |  | | Book (volume) | | the aluminous variety, as well as magnesite, limonite, allophane, cerolite, chrysoprase, chalcedony...have been mined to a Down to 52 m. (170 ft.) the mine was dry. depth of 56 m. (183 ft.) Chrysoprase,...Joseph shaft. At a southeastern. the southeast mine, this place the tuffs and marly slates Wengen...impregnated with Ore is also extracted in this part of the mine from a zone of cinnabar. impregnated rock lying...dolomite and the Wengen marly shales. In the Northwest mine, on the contrary, the succession of rocks the ent |  | | Book | | presence of the mineral or minerals he wants to mine in the area concerned and the 22 technical possibility...If the deposit is discovered during prospect the mine can be granted after the Government, the right of...carrying out the Mining Law. The Mijnpolitiereglement (Mine Police Regulations) provide safety instructions...On one occasion, the Government decided to open a mine in western been disSumatra in a location where rich...some because the veins of moderate success, the mine had to be abandoned 39 petered out prematurely |  | | Report (issue) | | origin, and is shipped to this country from ports in Chile and Peru. The total imports from South American...Bulgaria . . Turkey Egypt 2 . United States . . Chile . Brazil Argentine Republic Other Foreign Countries...at Dolcoath, the richest as well as the deepest mine in Cornwall, copper ore prevailed to a depth of...65"6 per cent. jn the case of ordinary ores. Old mine dumps contain material that was formerly thrown...Main Range offshoots of the granite form hills in Province Wellesley and Penang, in the Dindings, to the |  | | Book | | classifications of identifications. 4 EL EMEN TARY MINE RA LOGY Like learning about the science of mineralogy...hills. Once again the elements of running a small mine were present-little effort to get the rock and an...over again. This could explain how so many lost mine stories were created in desert areas. While it is...very subtle and need closer examination to deter¬ mine if they actually deposit gold. Some, like bends...efficiency of the elevators in use at the Wild Goose Mine near Ophir Creek in Alaska was published. The principle |  | | Report (issue) | | evolution of the old wooden bowl, known as the "batea," used in these early diggings, is symbolized in...Dolores for milling the ores from the celebrated Ortiz mine in Santa Fe County; one at the gold camp of Pinos...Pinos Altos in Grant County; and one at the Aztec mine at the head of Ute Creek on Baldy Mountain, in Colfax...Oro, constituting what is now known as the Ortiz mine. In the Los Cerrillos district, a few miles west...water level and have been flooded ever since the mine was originally abandoned, the full extent of underground | | | Report (issue) | | MEXICO NEW metallurgy. old used in these “batea,” OF RESOURCES MINERAL as the in symbolized...penetrate the water level and have been since the mine of metallurgist Mississippi appear with incline... what del Tierra. interest of Ute the Ortiz mine. as metalliferous workings as exist head famous...in Santa mine of Pinos camp The first experiments in were at Dolores one Aztec mine at Baldy... 1870 the remnants of still in evidence in the mine. is not the known. old canoe This curious |  | | Report (volume) | | Colombia; C, Sperrylite crystals from Vermillion mine, Ontario .................. ...... II. A, Nugget...of sperrylite, prisms of cassiterite, Vermillion mine, Ontario. X 35 diam. 14 . ' BULLETIN NO. 193...investigations of the copper ores of the Rambler mine, Wyoming, by Professors Wells and Penfield, have...a considerable part of the oxidized zone of the mine. The platinum which has occasionally been found...yellow color. Each platinum grain was inclosed in limonite or brown ocher, which also coated the small pores |  | | Report (volume) | | 21, 1916). __ ____ . __________ The Aztec gold mine, Baldy, r. Mex ., by W. T. Lee (published Jan ....surface of ore of ompositc type from Fourth of July mine, ncar cntral City, 'olo . ... .. _...... ... . .... ........ . . Pla n of the workings of th Doss mine, lark ounty, v- . . . . . . General map of the nitrate... Ca ounty, Tex.. .. ........ tion of b del ed limonite n ar Rusk, hcrokee ounty, Tex._.. Outlli1e sk...parishes, La., showin<> approximat location of limonite deposits xamined.. . . . . . . . . . . . . . |  | | Book | | Rocks and Minerals is in itself a veritable gold mine. Readers learn about the inside of minerals — the...among the sublimates of tiferous galena. Mexico, Chile, Bolivia, and the United ASSOCIATED MINERALS AND...beautiful specimens come from Chile beautiful specimens come from Chile (Chafarcillo) and the German...MINERALS AND LOCALITIES: rahj al-ghar, powder of the mine. It fuses easily, giving off arsenic fumes with...alteration minerals of copper deposits. France, Chile, Bolivia, the United States, stones and dolomites |  | | Book | | : Mossy The haematite. calcite, aragonite, limonite. : Dendritic (branched) : is designated by...magnetite, 5*17 ; pyrites, ; blende, 4*06 ; ; limonite, 3*8. ; minerals that are not compounds of the...washing gold or other daily in ores the pan, the batea, or on the vanning shovel. in ; precious stones...hydrated sesquioxide of iron, 2Fe 2 O 3 .H 2 O. Limonite hydrated sesquioxide of Manganite Gibbsite...Infusible. Density, 10*6. in Canada Ontario, Mine), (Vermilion and North Carolina (Cowee Valley) |
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