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| ' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver,...fissures known as 'rucken' in the Mansfeld copper district also contain occasional nickelite, together with... known examples of this type is the cobalt district of Schneeberg, in Saxony, a mountainous region...present. Besides quartz-cobalt veins the Schneeberg district contains quite a 3 variety of vein types, which...Schneeberg, cally important deposits of the entire district. the veins are so crowded together in an area |
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| 64000 Pau, France The Perrefitte anticlinorium district in the Paleozo[c province of the Pyrenees contains...continuing the Pierrefitte anticlinorium to the west (Fig. 1). The anticlinorium contains the formerly...consequently, is deeply rooted in the steep western slope of the Arrens brook, an area where only minor mining...thick. Sporadic, thin sphalerite beds, with some galena and pyrite, are locally present toward the top...the contact with unit I, comprised of sphalerite-galena bands or massive pyrite transformed into gossan |
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| Geology and Ore Deposits of the West Slope of the Mosquito Range By CHARLES H. BEHRE, JR. GEOLOGICAL...235 Includes the. Leadville, Colorado, mining district. Prepared in cooperation with the Colorado State...Thrusts on Mount Sherman__ _ ___________ Faults on West Sheridan Mountain _______ Faults on Mount Sheridan...Gulch_ _______________________ Faults on western slope of Empire Hill_.__ Faults in the central part of...Comparison with deposits in central Leadville district and elsewhere. ____________________ Description |
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| Schists 1. The Iron Ore Deposits of Huttenberg, in Carinthia (b) (a; 2. (/3) Gyalar in Transylvania (Hungary)...Deposits of North America Marc[uette Iron Ore District in the State of Michigan 7. African Iron Ore Deposits... The Manganese Deposits of Southern Bukowina, Austria ' 3. The Manganese-Zinc Deposits of New Jersey...The Gold Deposits of Zell, in the Ziller Valley, Austria 1. 2. 471 471 472 474 475 Gold-bearing Quartz-Diorite...2. The Conglomerates of the Tarkwa Goldfield in West Africa (/) Antimony Deposits 1. Antimony Deposits |
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| "ore-bearing zone" 1'ead "ore-bearing zone of the Knaben district," and transpose the paragraph with that following...trifling_ productions were made in Italy, India and Austria (now Yugo-Slavia), see p. 62. The productions of...found in many places in the mining districts of West Cornwall in association with ores of tin, copper...be a dyke cutting granite at Murvey, a few miles west of Roundstone, Co. Galway [23). Some prospecting...since the beginning of the war. In the Yamethin district molybdenite is constantly present in the lodes |
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| ________________________________________________ Galena._________________________________________________...-____ 43. Typical replacement of sphalerite by galena._____^_________ 44. Paragenesis of the vein minerals...PRESTON E. HOLTZ ABSTRACT The Shawangunk mine on the west flank of Shawangunk Mountains, Sullivan County,...simple. Sphalerite is the chief ore mineral, and galena is next in abundance. Chalcopyrite and pyrite are...began with quartz, followed by pyrite, sphalerite, galena, and chalcopyrite in that order. INTRODUCTION |
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| Deepliole (Granite Range) Donnelly Flanigan Galena Jumbo (West Comstock).. Leadville Little Valley. Lone...public. 'Naturally, the treatm ent of each mining district was restricted to a short statement, but accompanied...private reports, has been classified into county and district i files, and while all this material cannot be...Counties 9 miners met and defined the limits of the district, made regula| tions. and appointed a recorder...map in 1907 show ing the mining districts in the West, and in 1912 issued Bulletin 507 on “The Mining |
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| districts.____-_--_-----_____-______---_ Bohemia district.._i_-_-__--_---_-_--_---___-______-_____---_--...areas and mining districts Continued. Bohemia district Continued. Mineral deposits._________________...areas and mining districts Continued. Bohemia district Continued. Mines and prospects Continued. Tall...___-_-___.-______-_-_____.__________._ Quartzville district..______-_----._______-_____-.-________-_-Location...and Betty or Smith and McLeary.__________________ Galena.--_-_.-_._________-_._....____________ Golden Fleece |
 | Zhang, Xuebing, Wang, Keyong, Fu, Lijuan, Zhang, Miao, Konare, Yassa, Peng, Dawei, Cai, Wenyan (2017) Fluid Inclusions, C-H-O-S Isotope and Geochronology of the Bujinhei Pb-Zn Deposit in the Southern Great Xing'an Range of Northeast China: Implication for Ore Genesis. Resource Geology, 67 (2) 207-227 doi:10.1111/rge.12122 | Journal (article/letter/editorial) |
| on the genetic types, and occurs on the western slope of the southern Great Xing’an Range. The ore-forming...isotope, tectonic setting. Introduction The western slope of the southern Great Xing’an Range (SGXR) is located...polymetallic vein type deposits are developed along the west slope of SGXR metallogenic belt, which belong to large-...located in the northeastern part of the western slope of the southern Great Xing’an Range (SGXR) (Fig...deposit geology The strata in the Bujinhei ore district include the Early Permian marine strata of the |
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| GEOLOGY -AND ORE DEPOSITS OF THE MAGDALENA MINING DISTRICT, NEW MEXICO BY G. F. LOUGHLIN AND A. H. KOSCHMANN...fault----~------Grand Ledge fault______________ East Slope fault_ _ _ __ __ __ __ _ _ _ _ _ Waldo ·fault_ ________________...____________ __ ______________ Minerals of the Magdalena district, by S. G. Lasky and G. F. Loughlin_______ _______...deposits-Continued. Minerals of the Magdalena district-Continued. Copper minerals-Continued. Oxidized..._--Sulphide zone ___ .. _____ - _.. __ .. - _.. _- _--- - Galena ___________________________ _ Oxidized zone __ |
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| districts, camps, and properties Continued. Helvetia district Continued. Helvetia camp Continued. Other pro...Helena mine ______________________________ Empire district-__________ _________________ General features...camps, and properties Continued. Page. Empire district Continued. Davidson Canyon and vicinity___________________...camps, and properties Continued. Page. Old Baldy district Continued. . ' Lode deposits Continued. Madera...camps, and properties Continued. Page. TyndalL district Continued. Lode deposits Continued. Salero area |
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| ........................ Midas or Gold Circle district........................................ Location..........:.................-..-. 63 Good Hope district..................................................... . Richmond district............................................. Lynn district...................................... 100 Cortez and Mill Canyon district.................................... 100 Location.................................... 110 Safford district.............................................. |
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| THE DARWIN SILVER-LEAD MINING DISTRICT, CALIFORNIA. By ADOLPH KNOPF. INTRODUCTION. Most of the lead...the eastern part of the State. The Cerro Gordo district has been by far the most productive, having yielded...years $7,000,000 in argentiferous lead. The Darwin district has probably yielded between $2,000,000 and $3...000. The geologic features of the Cerro Gordo district have recently been described by the writer,1 and...present report to describe those of the Darwin district. The data on which this report is based were obtained |
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| DEPARTMENT OF THE INTERIOR Roy O. West, Secretary U. S. GEOLOGICAL SURVEY George Otis Smith, Director...district_-_____-_-___-__ In pocket. 2. Geologic map of the Hyder district ____________________ In pocket. 3. Generalized...River Valley-----8 5. A, Mountains of Coast Range on west side of Salmon River, northwest of Hyder; B, View...of valley of Salmon River____ 8 6. A, Valley of West Fork of Texas Creek below Casey Glacier; B, Head...the north side of West Fork of Texas Creek; B, Glacier occupying cirque on the west side of Through Glacier |
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| ___________ ____ __ ________ ____ Silver Islet district ___________________ ~_____________________ Cache..._______________________________ American Fork district (Alta area)___________________________ Alpine...district_____________________________________________ West Tintic district________________________________________...County_________________________________________________ Redmond district __________________________________ _:________...Map showing oxidized ziuc deposits of the Tintic district, Juab and Utah Counties. 3. Map showing oxidized |
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| ............................... Seven Troughs district.................................................Outlook for the district................................................. Rosebud district................................................... Red Butte district........................................................................ Chafey and the Sierra district.......................................... Kennedy................:.................-.............. Galena............................................... |
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| Garnet. ANGLESITE (sulphate of lead). Tombstone district, Cochise County; Gila County, at Lost Gulch Mine...Bradshaw Mountains; Yuma County, in Castle Dome district; common in silver veins. ANTIMONY ORES. See Jamesonite...Montezuma and Empress of India mines, Tyndall district; Yavapai County, in ores of Bradshaw Mountains...and in massive serpentine at a location 20 miles west of Globe. AZURITE (hyrdous carbonate of copper)...County, was abundant at Copper Queen mine, Bisbee district. The finest specimens of Azurite"in many museums |
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| DEPOSITS OF THE WHITEPINE AREA, TOMICHI MINING DISTRICT, GUNNISON COUNTY, COLORADO by Charles S. Robinson...pocket ABSTRACT The Toraichi mining district is on the western slope of the Contin- ental Divide near...replacement deposits consist, in general, of sphalerite, galena, pyrite, and chalcopyrite in a gangue of silicified...pyrite % . and quartz with only minor amounts of galena, sphalerite, and chalcopyrite. In both types of...with the pyrite and sphalerite-and silver with the galena. was the chief product of the early mining. Oxidized |
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| LODE DEPOSITS OF EUEEKA AND VICINITY KANTISMA DISTRICT, ALASKA BY FRANCIS G. WELLS Investigations in...quartz veins._____--___----__--_--_-______----_-_ Galena-sphalerite veins._______________________________...Geologic map of Eureka and vicinity, Kantishna district. _ In pocket 29. Sketch map of lode claims in...Kantishna district, Mount Eielson, formerly known as Copper Mountain, and the head of West Fork of Chulitna...Fairbanks; C, Willow Creek; D, Mount Eielson; E, West Fork of Chulitna River; F. Eureka and vicinity; |
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| districts ……………………………………………………………………………………… Magdalena district …………………………………………………………………………… Area surrounding...Colorado-Justice claims ……………………………………………………… North Magdalena district …………………………………………………………… Copper Belt Silver & Copper...Magdalena special quadrangle—Continued North Magdalena district—Continued Jack Frost and Night Hawk groups of...Soldier vein ………………………………………………………………… Water Canyon district ………………………………………………………………… Location and area …...prospects ………………………………………………………………… Council Rock district ………………………………………………………………… The Joyita Hills …… |
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| George Fast's mine, near La Trinidad, Sahuaripa district, Sonora, MexicoVII. Ends of radial plates of molybdenite...known molybdenum deposits of South America and the West Indies_____-______ 3. Principal known molybdenum...in a quartz vein at the head of Kailroad Creek, west of Lake Chelan, Wash., but plates 12 inches across...GEORGE FAST'S MINE, NEAR LA TRINIDAD, SAHUARIPA DISTRICT, SONORA, MEXICO. U. S. GEOLOGICAL SURVEY U...from his mine near La Trinidad, in the Sahuaripa district of Sonora, 225 miles by trail south of Nacozari |
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| Names of the Authors in capital letters. Page Austria, STEINDACHER on the Fossil Fishes of . . . . ..... . . . . . . . . . . . . . . . . . . . . 40 Carinthia and Istria, STAC~E on t h e Geology of . . . ...Congerian and Cerithian Strata in t I u n g a r y and Austria, STVI~ and II. WOLF on some sections of the . ...12 40 35 30 21 38 Dachsteln Mountains, Upper Austria~ E. S v E s s on some E r u p t i v e P h e n o...n a seen in the Dachstein Mountains, U p p e r Austria, E. S c E s s on some . . . . . . . . . . . . |
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| Pucar__________________________ Prospects on the north west flank of Cerro H uancapetL _________ Wilson mme...deposits are mmerahzed fractures contammg pyrite, galena, and sphalerite m a gangue of quartz and carbonate...and several contain antimony Sliver occurs With galena and, In places, With copper mmerals; In one deposit...present operatiOns are conducted so as to recover galena or copper sulfides havmg a high tenor of silver...extendmg from the Rio Pativilca on the south to the west-flowing lower part of the Rio Santa on the north |
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| ......................... 56 Nespelem (Moses) district............................................. ...Metalliferous deposits Continued. Nespelem (Moses) district Continued. Mines and prospects Continued. Replacement...prospects........................... Park City district................................................. Metalliferous deposits Continued. Park City district Continued. Mines and prospects Continued. Lodes...claims on Gold Creek and West Fork of Sanpoil River. 103 Sanpoil (Keller) district..................... |
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| A RECONNAISSANCE IN THE CANY,ON RANGE, WEST-CENTRAL UTAH. By G. F. LouGHLIN. INTRODUCTION. PREVIOUS STUDIES...STUDIES IN THE REGION. The Canyon Range, in west-central Utah, which derives its name from the deep...the lake deposits in the valleys on the east and west sides of the range and in Sevier Canyon which connects...Tower and Smith, 3 in their report on the Tintic district, north of the Canyon Range, mention the presence...character to the Cambrian quartzite of the Tintic district, together with the age assigned to it on the geologic |
