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| gem-quality rhodonite in one of the traditional manganese ore districts of Minas Gerais, Brazil, prompted...yellow, and gray; it is commonly stained black by manganese oxides. It is transparent to translucent and displays...the formula CaMn4Si5O15, as already mentioned. Manganese is the dominant cation in most samples with magnesium...Rhodonite has been collected at the Berkshire manganese prospect, Franklin County; at Coventry and Irasburgh...Lincoln and at Dyarville, as well as in manganese prospects at Cumberland, Providence County. Downloaded |
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| DEPOSITS OP MANGANESE ORE IN NEVADA. By J. T. PARDEE and E. L. JONES, Jr. INTRODUCTION. Manganese is rather...has been produced for many years in Nevada, but manganese ore for use in the manufacture of steel was not...demand for manganese due to the war caused old workings known or supposed to contain manganese ore to be...Vegas, is a conspicuous example. The amount of manganese ore mined in Nevada in 1916 was small, but thereafter...copper smelting, contributed about 25,000 tons of manganese ore, or about 2 per cent of the total amount needed |
 | Barghi, Behnaz, Calagari, Ali Asghar, Zarrinkoub, Mohammad Hossein, Simmonds, Vartan (2017) Geological and Geochemical Investigation of Three Ophiolite-Hosted Manganese Prospects, Southeast of Birjand, South Khorasan, East of Iran. Resource Geology, 67 (4) 414-425 doi:10.1111/rge.12139 | Journal (article/letter/editorial) |
| Investigation of Three Ophiolite-Hosted Manganese Prospects, Southeast of Birjand, South Khorasan, East...Iran Abstract The studied ophiolite-hosted manganese prospects are located in southeast of Birjand, South...South Khorasan, in the east of Iran. The manganese ores within the ophiolitic sequence in this region occur...associated with radiolarian chert and shale. Manganese ores in the host rocks are recognizable as three...diagenetic, and epigenetic features. The syngenetic manganese ores occurred as bands associated with light-red |
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| Director Bulletin 940-F MANGANESE DEPOSITS OF THE LYNDHURST-VESUVIUS DISTRICT AUGUSTA AND ROCKBRIDGE COUNTIES...future possibilities................... Mines and prospects..................................... Robinson...Blue Bank mine...................................... St. Mary's River tract................................Mine Bank (Pulaski) mine........................ Manganese Hollow workings....................... Red Mountain...Bank mine..................................... Prospects west of Kelly Bank........................ Hogpen |
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| BOULDER R. D. GEORGE, State Geologist BULLETIN MANGANESE SURVEY 15 DEPOSITS OF COLORADO BY G. A. MUILENBURG...os Gere &erases ace tescie ites: 6 1 1 IFONSrAT St ALOIION UG pis ses set cicas Sate aie aseitie vista...Ta SOURCHS Distribution OR MANGANDSE of manganese ores OnicingomnmansanesGxOresnrie GIAsSsincaLlloniOL...TC Cen con od 0.0 wi SCHEOIION CHAPTER of manganese iS CONC 23 wer ait)oteut olefovevcba asacearsree...y-esesdys cla,9/008 ust 23 ORES OF SPR 19 na MANGANESE NO OTOIC ICSETC ae COLORADO............. Location |
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| SURVEY W. E. Wrather, Director Bulletin 953-B MANGANESE DEPOSITS OF THE REPUBLIC OF HAITI BY E. N. Goddard...Washington ^25. D. C. Price 15 cents CONTENTS Page Manganese deposits of the Republic of Haiti, by E. N. Goddard...Introduction and Acknowledgments...................... Manganese deposit at Morne Macaque, near Gros Morne, Republic...Structure and character of the fault......... Manganese deposit.................................... Origin'of.......................................... Manganese prospects in the region north and northwest of Jacmel |
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| Werson, Pn. D. DIRECTOR Bulletin No. XXIII Manganese Deposits of Western Virginia BY G. W. STOSE...74 75 75 Geology lo Manganese ore deposit Mining and preparation of St. Lukes Hospital tract ..... . . Workings Geology ..: .. . . 8t 82 83 Manganese ore deposit Mining and preparation of Rhesa...X'urnace tract .. High llead prospect Yellow Springs prospects Gap Mountain prospect Scott prospect .. . . ....production ... l 94 s4 Workings Geology 9!r Manganese ore deposits 96 98 99 Minfnga',dp'ep#aiionofore |
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| SURVEY GEORGE OTIS SMITH, DIRECTOR BULLETIN 427 MANGANESE DEPOSITS. OF THE UNITED STATES WITH SECTIONS ON...CHAPTER I. SOURCES OF MANGANESE ...................................... Manganese ores...................Table of manganese minerals....................................... 13 17 17 17 19 19 20 Manganese in the................................... CHAPTER II. MANGANESE DEPOSITS OF THE UNITED STATES. ............................................... Origin of the manganese ores of the Piedmont region................. Commercial |
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| SURVEY W. E. Wrather, Director Bulletin 935-H MANGANESE DEPOSITS IN COSTA RICA BY RALPH J. ROBERTS 'Geologic..................................... Santa Rosa district.................................. Playa Real.................................... 394 Other prospects near Playa Real and Puerto Vie jo. , 394 Playa...properties near Santa Rosa................. Arenal district...................................... La Desdichada............................... Rio Seco-Lagarto district............................ El Cuchofino..... |
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| SURVEY W. C. Mendenhall, Director Bulletin 936-E MANGANESE DEPOSITS OF CEDAR CREEK VALLEY, FREDERICK AND...possibilities............................... Manganese mines and prospects............................ Nelson No.............................. Limestone Ridge, prospects............................ Moses Orndorff prospect...Geology.......................................... Manganese ore deposit............................ Mining...Geology.......................................... Manganese-ore deposit............................ III Ill |
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| SURVEY GEORGE OTIS SMITH, Director Bulletin 737 MANGANESE DEPOSITS OF EAST TENNESSEE BY G. W. STOSE AND...___ 1 ,1 2 & 3 0 The manganese deposits___________________________ Manganese minerals ___________ _________________...Wad_;_______________________________________ Ferruginous manganese and inanganiferous iron ores_________ Rhodochrosite..._____________ Mineral association ______ _ _ _ _ Uses of manganese _____ _ : ' '_'__ _ Rocks with which the ores...__________________ Johnson County ___ ___ _ Shady Valley district _________________________ Reynolds mine________ |
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| DEPOSITS OF MANGANESE ORE IN NEW MEXICO. By EDWARD L. JONES, Jr. INTRODUCTION. HISTORY. Manganiferous...shipped in large quantities from the Silver City district to the Colorado Fuel & Iron Co. at Pueblo, Colo...high-grade manganese ore began with the shipment of a few tons in 1916. The high, prices for manganese ore that...investigation of old silver mines as producers of manganese ores. Production was begun in July, 1917, from...Mexico of ores containing 35 per cent or more of manganese to December 31, 1918, was approximately 5,500 |
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| 35 REPORT ON THE MANGANESE DEPOSITS OF GEORGIA (SECOND HEPOR'l' ON MANGANESE) BY J. P. D. I!ULL...R. Crane of the U. S. Bureau of Mines, on the Manganese Deposits of Georgia, to be published as Bulletin...•....•....•.•••..• xv-xvi BY J, P. D. HULl, MANGANESE ••••••.•..••••••. • .• • .• • · · • · • · · ·.......... . Manganese ores ........................................... . Principal manganese minerals .............................. . Pyrolusite ....................................... . Psilomelane ..... |
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| the southeast corner. Few known iron or manganese prospects or mines occur within the study area. Neither...potential for the Unaka Mountain Roadless Area. Small manganese be present in the area of rocks of the Chilhowee...samples from outcrop, 3 iron-manganese samples from mines and prospects and 14 heavymineral concentrates...exploration. MINES AND PROSPECTS The study area is about two miles south of the Unicoi manganese-iron mining district...district of Tennessee where mineralization is in residual clays of the upper Chilhowee and the Shady |
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| DEPOSITS OF MANGANESE ORE IN COSTA RICA. By JTILIAN D. SEARS. INTRODUCTION. LOCATION OF DEPOSITS AND...AND EXTENT OF DEVELOPMENT. The manganese deposits thus far discovered in Costa Rica are all on the Nicoya...Pacific coast. The location of the mines and prospects described in this report is shown on Plate II...determine the location, character, and extent of the manganese resources of Costa Rica, and especially their...prospect), Curiol, Lagarto (three mines and four prospects), La Cuesta de Matambu (near Nicoya), La Colonia-Carmona |
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| Wrather, Director Bulletin 940-J COBALT-BEARING MANGANESE DEPOSITS OF ALABAMA, GEORGIA, AND TENNESSEE BY............... Identification of cobaltiferous manganese oxides..... 265 266 267 267 267 268 . 270 270....... Mines and prospects...................................... Cartersville district, Ga...............Bluffton................................ German prospects................................. McCollum prospect...Bluff, S,. C................................... Manganese-silicate veins of Alabama, Georgia, South Carolina |
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| ............................................ Pyrolusite ...............................................abundant mineral in the manganese occurrences of the Cartersville Mining District. Modern research has shown...cryptomelane, romanechite, and other related manganese oxides. For this reason, most formerly GEoRGIA...early exploitation of iron and manganese in the Cartersville Mining District during the 1880's and 1890's...the literature, by land lot number, section, and district. More recently described locations generally are |
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| ...................................... Silver district. ...............................................65 65 65 65 66 67 67 68 68 70 3 PAGE Eureka district.................................................operations _______________________ _____ __ 115 Gold prospects in Alamo region ____________________________________________..._______ .. _________________ 121 Production of Kofa district ____ .... ________ .. __ .. _.. __ .. __________.................................... Sheep Tanks district.............................................. |
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| Manganese Deposits in the Drum Mountains, Juab and Millard Counties, Utah By MAX D. CRITTENDEN, JR.,...production_______--_------___-_-_-_-_-_______-__-_ Manganese deposits__.________-_-_-_______-_-_-___-_______-_...____-_____------_--_-_---_-_-_--____---_Mines and prospects._______________-__-__--__-_-_-_____-_____-_-_...520 520 IV CONTENTS Mines and prospects Continued Other manganese properties in the Drum Mountains...________________________________________ Other manganese prospects.________________________________ Condensed |
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| SURVEY W. E. Wrather, Director Bulletin 940-H MANGANESE DEPOSITS OF THE FLAT TOP AND ROUND MOUNTAIN DISTRICTS.............................. Plat Top Mountain district............................... Structure............................................... Manganese deposits................................... Reserves..................................... Mines and prospects.................................. Stange and Arms...mines............................ Geology and manganese deposits............... Production........... |
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| MINERALIUM DEPOSITA ©Springer- Verlag 1990 Manganese deposits in a Carboniferous paleokarst profile...intrakarstic products, weathering varietie~, manganese deposits, and soil cover. The lower karstrc rocks...The all over congruent relations between the manganese deposits and the fossilized karst profile, karst...Carboniferous karstification. It is clear that the manganese oxides were deposited during the mature stage...an essential role in the concentration of the manganese ore in the subsoil horizon of the paleokarst profile |
 | Marsh, S.P., Ridenour, James, Raines, G.L., Howard, K.A., Simpson, R.W., Moyle, P.R., Willett, S.L., Hoover, D.P. (1982) Mineral-resource potential of the Whipple Mountains Wilderness Study Area(CDCA-312), San Bernardino County, California. Open-File Report Vol. 1982 (82-956) US Geological Survey doi:10.3133/ofr82956 | Report (issue) |
| Aeromagnetics and gravity Geoelectrics Mines and Prospects Mining and Mineralization Mining history Resource...Potential mineralization Area D-2, Blue Cloud mine Manganese mineralization Area M-1, Potential mineralization...and generalized geology 2 Figure 2. Mines and prospects 9 Figure 3. Classification of resources 11...potential map 23 TABLE Table 1. Mines and prospects within and near the Whipple Mountains Wilderness...dislocated sections of a granite pluton. (4) Manganese occurs throughout the northern portion of the |
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| POSSIBILITIES FOR MANGANESE ORE ON CERTAIN UNDEVELOPED TRACTS IN THE SHENANDOAH VALLEY, VIRGINIA. By...sought have been thoroughly explored and studied. Manganese minerals are widely distributed in Virginia, and...of field work in a part of Virginia where many manganese deposits are known. The examination was directed...toward the discovery of areas likely to contain manganese, with the aid of data gathered in a study of the...and structure of the rocks associated with the manganese ores, which may greatly aid the operators of producing |
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| The mineralogy of the Mapimí mining district, Durango, Mexico Item Type text; Dissertation-Reproduction...net/10150/565169 THE MINERALOGY OF THE MAPIMl' MINING DISTRICT, DURANGO, MEXICO by Victor Joseph Hoffmann A...entitled The Mineralogy of the Mapimi Mining District,______ Durango, Mexico______________________________...molybdic ochre murdockite plattnerite psilomelane pyrolusite ramsdellite stibiconite tenorite valentinite...northern contact with the limestone 25 11. The manganese ore deposits near San Pedro 25 12. Cross 36 |
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| amounts of impurities impart color. Quartz as iron, manganese, and titanium — crystals, which commonly are...system. Purple crystals, commonly colored by manganese, are called amethyst. Yellow crystals, colored...light-colored rhyolite on the southeast slopes of Mt. St. Helena, Napa County. The Silverado mine is one of...metals aluminurn, iron, calcium, : magnesium, manganese, chromium, and nickel. In the San Francisco Bay...or another of these metals. Small amounts of manganese, magnesium, or chromium are present in some varieties |
