 | | Journal (article/letter/editorial) | | Pegmatites of the Karibib-Omaruru area and the area north of the Orange River, both in South West Africa,...imilar to thosedescribedfrom zonedpegmatitesin North America and elsewhereduringthe past15 years. It...and strike mostly north-northwest,occur over a length of about 3 miles in a north-southsheared,greisenizedzone...to 4 miles west, and another group 2 to 5 miles north, which included the Yenberrie deposit. In this latter...the southern edge of the Pre-Cambrian shield of North America. The Wisconsin arch lies to the east of |  | | Report (issue) | | northeastern portion of the Dahlonega gold belt with mine locations (1 :100,000) ...........................onega go.ld belt extending from Canton in Cherokee County Georgia, is a narrqw, ~et;~uence of r-ock units...units that can be northeastward to the Georgia~ North Carolina State line, and mapped.f.rom <1t least the...geologic information on this eastward to the Georgia-North t~rolina'State line, a distance area of potential...Coi.ihty northeastward to. the Georgia-rNorth Carolina State line. ,,ā¢ ,.,._. , 'Ā·'': , ... ,, Pumpkinvine |  | | Report (issue) | | Survey. GOLD OCCURRENCES NEAR JEFFERSON, SOUTH CAROLINA By James P. Minsrd OPEN FILE REPORT 1970 Tl:is...___ 12 Previous mining and potential - Brewer mine area --____-_--_--- 14 Lode rock -----------... Illustrations * Ā» Page Figure 1.--Index map of South Carolina showing area of the report. ....................amounts, it present in tho Jefferson area, South Carolina. It occurs in Slate Belt rocks of Paleozoic ...Coastal Plain province* and includes the Brouor Gold Mine, which wan intorwlttontly active until 19^5 *&& |  | | Report (issue) | | ORE DEPOSITS OF THE BONANZA DISTRICT SAGUACHE COUNTY COLORADO By HORACE B. PATTON 1915 DENVER,COLORADO.................................... 69 The Rawley mine......................................... 69 Location.................. . . . . . 69 Rock formations in mine and tunnel................... 74 Vein systems ....tunnel.......... . . . . . . . . . 86 The Antoro mine....... . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 89 The Cora mine. . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | associations in the Coeur-Rochester AgāAu mine, Nevada CORA C. WOHLGEMUTH-UEBERWASSER1, CHRIS BALLHAUS1...Sciences, University of Idaho, Moscow, ID 83844-3022, USA (swood@uidaho.edu) 2 Department of Earth Sciences...vein-type AgāAu mineralization in the Coeur-Rochester mine in Nevada occurs within the Rochester Formation...methods. Silver ore occurs in quartz-Kāfeldsparāsericiteāsulļ¬deāsulfosalt veins which are localized in...drill-core samples from three levels within the mine, as well as along three vertical drill holes. A |  | | Journal (article/letter/editorial) | | associations in the Coeur-Rochester AgāAu mine, Nevada CORA C. WOHLGEMUTH-UEBERWASSER1, CHRIS BALLHAUS1...Sciences, University of Idaho, Moscow, ID 83844-3022, USA (swood@uidaho.edu) 2 Department of Earth Sciences...vein-type AgāAu mineralization in the Coeur-Rochester mine in Nevada occurs within the Rochester Formation...methods. Silver ore occurs in quartz-Kāfeldsparāsericiteāsulļ¬deāsulfosalt veins which are localized in...drill-core samples from three levels within the mine, as well as along three vertical drill holes. A |  | | Report (issue) | | Central group ____________________________ _ _ Carolina gneiss ________________________ _ Mica schist...__________________________________ _ ~ orth Carolina and South Carolina ______ ____ _ Georgia ______________...34 35 35 36 39 44 44 45 46 47 47 49 49 50 50 Mine descriptions ___________ --------- -- .. -------...___ _______________________ _______ _ Fauquier County ____ ______ ______ _____ _____ _ Franklin ____...properties _________ .. _____________ _ Halifax County ______ - _____ - __________ ~- _'- __ _ Virgilina |  | | Report (issue) | | ____ Districts in Appalachia__________________ North Carolina_____________________ South Carolina_____________________...___________ Ne~ 1:ork_________________________ North Carolina__ _ ________ __ ______ __ Ohio________...Cox_________________ Talc, soapstone, pyrophyllite, and sericite schist, by Helmuth Wedow, Jr., and John W. Sw...Georgia_________________ Deposits in North Carolina__________ Deposits in South Carolina and Virginia____________________________...pinnacles beneath soil cover, Bluegrass, Highland County, Va_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |  | | Report (issue) | | BULLETIN 71 Mineral Resources of Taos County, New Mexico by JOHN H. SCHILLING Description of mineral............. 35 Spanish Main prospect ["Govenor's Mine"(?)] ....................................... 36............. 36 Questa Molybdenum [Moly, R and S] mine ............................................ 38...................................... 55 Midnight mine ....................................................................................... 55 Edison mine ............................................... |  | | Report (issue) | | bodies______________ Gold Hill mine of Western Utah Copper Co__ ___ __ ___ ___ __ _____ __ Gold Hill mine of United States...Canyon; D, Minor thrust in the Ā·Woodman formation north of the Garrison Monster new camp _.. tl4 8. A, \Vollastonite...Ochre Mountain limestone; B, Jasperoid from the U.S. mine, with incluĀ sions of opal in quartz; C, Wollastonite...orthoĀ clase replacing calcite, Wilson Consolidated mine; E, Polished section showing arsenoĀ pyrite fragments...104 11. A, Bladed arsenopyrite, Tunnel level, U.S. mine; B, Polished section showing brecĀ ciated arsenopyrite |  | | Report (issue) | | Deposits of the New Almaden District Santa Clara County California GEOLOGICAL SURVEY PROFESSIONAL Prepared...Deposits of the New Almaden District Santa Clara County California By EDGAR H. BAILEY and DONALD L. EVERHART...deposits of the New Almaden district, Santa Clara County, California, by Edgar H. Bailey and Donald L. Everhart...deposits of the New Almaden district, Santa Clara County, California. 1963. (Card 2) 1. Geology-California-Santa...III. Title : New Almaden district, Santa Clara County, California. (Series) For sale by the Superintendent |  | | Report (issue) | | of a Portion , of the Silver City Region Owyhee County, Idaho .1 R. R. Q r; o .... o ... Co:) Q ...OF A PORTION OF THE SILVER CITY REGION, OWYHEE COUNTY, IDAHO by R. R. Asher \ Idaho Bureau of Mines...Trending Northeast . . . . . Fractures Trending North to Northwest High Angle Fractures Trending N75W...ā¢ . . . . . . . . . Silver-Gold Mineralization North of the Old Mining Areas ā¢ . . . Introduction. ....Fork of Reynolds Creek - Sec. 12, T4S, R4W Matteson Mine - Sec. 30, T3S, R2W . ā¢ . . . . . ā¢ . Altered Granite |  | | Catalog/List | | Amphibole 2cm Ā£8 3cm Ā£ 15 Near Chelan. E.Washington USA !x i Ā£3 Ā½" Ā£3 IxĀ½ Ā£5 Rich fi ne grained black crystalline... Rich wh ite crusts on matrix. Rawhide Mine, Moh ave County, Ā½ x Ā½ Arizona, U.S.A Ā£3 Kragero Norway...Bastnas Mine Sweden Jx2 Ā£6 2 x2 Ā£1.20 2x2 Ā£1 2 Ix ! Ā£4 l x2 Ā£8 New East Wheal Russell mine, Devon...masses in qu artz, under Flux Canyon.Santa Cruz County, Ā½ x Ā½ magn ificati on there are small crystals...Ā£ 16 2x3 Ā£25 l x l Ā£3 San Jose Mine, Oruro, Bolivia Benallt Mine,Lleyn ,Wales l x2 Ā£1.5 0 6x6mm Ā£3 |  | Zhang, Wen, Pease, Victoria, Meng, Qingpeng, Zheng, Rongguo, Thomsen, Tonny B., Wohlgemuth-Ueberwasser, Cora, Wu, Tairan (2015) Timing, petrogenesis, and setting of granites from the southern Beishan late Palaeozoic granitic belt, Northwest China and implications for their tectonic evolution. International Geology Review, 57 (16) 1975-1991 doi:10.1080/00206814.2015.1045944 | Journal (article/letter/editorial) | | Qingpeng Meng , Rongguo Zheng , Tonny B. Thomsen , Cora b Institute of Geology, Chinese Academy of Geological...Qingpeng Meng, Rongguo Zheng, Tonny B. Thomsen, Cora WohlgemuthUeberwasser & Tairan Wu (2015): Timing...Qingpeng Mengb, Rongguo Zhengb, Tonny B. Thomsencā , Cora Wohlgemuth-Ueberwasserc and Tairan Wub* a Institute...are present in the Beishan area (Figure 1b). From north to south, these are the late Palaeozoic Hongshishan...includes plagioclase (30ā40%, mostly altered to sericite and epidote), alkali feldspar (mainly perthite |  | | Report (issue) | | & TECHNOLOGY Mineral Deposits of Western Grant County, New Mexico by Elliot Gillerman NEW MEXICO INSTITUTE...Production of metals in the Steeple Rock district, Grant County, 1932-1947 . . . . . . . . . . . . . . . . . ....in the Burro Mountains (Tyrone) district, Grant County, 1904-1929 . . . . . . . . . . . . . . . . . ....Volcanic rocks in western Grant County 20 FIGURES 1. Grant County,. showing area included in this report...Two-Best-in-Three mine, Burro Mountains 62 5. Geologic sketch map of the Austin-Amazon mine, Big Burro Mountains |  | | Report (issue) | | Occurrences east of Sudbury Falcon Mine Wanup quarry Elizabeth Mine Wahnapitei occurrences MacDonald occurrence...quarry Vermilion River placer deposits Moose Mountain Mine Nickel-copper mines west of Sudbury High Falls Road...occurrence McMillan Mine Wallace Mine Sheguiandah quarry Shakespeare Mine Massey Mine Hermina Mine Elliot Lake...Bi-Ore Mine Pater Mine Pronto Mine Jasper conglomerate occurrences, Highway 546 Glagoma Mine Cheney Mine...Mine Gould Mine Havilah Mine Rock Lake Mine Bruce Mines copper mines Stobie Mine Jasper conglomerate |  | | Report (issue) | | Photo on title page: Lake Fork valley from Frazer mine, Twining Fairview Mountain at right NEW MEXICO...Alteration 113 Mineralization and production 115 Questa mine 119 ELIZABETHTOWN-BALDY DISTRICT 120 Hematite Creek...Tertiary granites 6āChemical analyses of Questa mine stock 7āCorrelation of glacial deposits in Lake...11āStratigraphic column of early Tertiary sediments at Stella mine 12āPhotomicrographs of Tertiary intrusive rocks...alteration area in Straight Creek 23āQuesta open pit mine Contents of Rear Pocketālisted inside rear cover |  | | Journal (issue) | | region is characterized by a series of parallel, north-south belts of metamorphosed sediments, with perhaps...grounds during the late summer. The Davis Pyrite Mine One of the most famous localities in the Hu,vley...Pyrite ~line in Rowe township, about fhĀ·e miles north of Charlemont (Fig. 1, Ko. 3). 'rhe n1ine is ea...startiug from \Yells Corner. by following the road north a long ~lill Brook, the bed of wbicb is hl'avily...coated ,vitb liwonite ("iron rust") coming from the mine waters. Tbis formerly \Yell known mining prop1,>rt~Ā· |  | | Journal (article/letter/editorial) | | and the Visean sediments are unaltered. In the north no member of the series can be dated but, at Chateauneuf...rocks. The metamorphism is thus pre-Devonian in the north but affects both the Devonian and Lower Carboniferous...Gneiss inferieurs Characteristic Rock Type Shales Sericite chlorite schists Biotite schist Muscovite biotite...metamorphic effects without felspathisation. In the north FIELD MEETING IN THE MASSIF CENTRAL 281 some...Mayet-de-Montagne, are post-Visean. The major folding in the north was pre-Devonian, followed by three phases of Hercynian |  | | Journal (issue) | | āContinued on p. 247 Articles The Outlaw mine, Nye County, Nevada ....................................Valley Road Watsonville, California 95076 The Outlaw mine has long been known as an occurrence o f rare and...benjaminite, fo r which it is the type locality. The mine has been idle fo r more than 60 years, and because...More than 30 minerals have been identified from the mine and studies continue on the sulfosalt mineralogy...mineralogy. INTRODUCTION Our interest in the Outlaw mine, the type locality for benjaminite, began in the early |  | | Report (volume) | | ... Ute and Ulay mine.......................'................. Hidden Treasure mine....................94 Hidden Treasure mine..................................... - 94 Ute and Ulay mine.....................10 II. A, View of Lake City, Colo.; B, View of north side of Henson Creek.. ' 12 III. Geologic map...VIII. Plan of underground workings of Black Crook mine................. FIGURE 1. Index map of a portion..... 2. Curve showing the production of Hinsdale County, Colo., since 1884. 3. Relation of erosion to superficial |  | | Report (issue) | | Franklin Mountains....................... Luna County............................. Silver City region...Sierra County, N. Mex.; B, Paleozoic rocks on granite at Capitol Dome, Florida Mountains, Luna County, N...limestone at Palomas Gap, Caballos Mountains, Sierra County, N. Mex.. XVIII. A, Limestones from Ordovician...Socorro County, N. Mex.; B, East face of San Andres Mountains at Rhodes Canyon, Socorro County, N.Mex...Mex.......................... XIX. A, North side of entrance to Alamo Canyon, 3 miles southeast of Alamogordo |  | | Report (issue) | | Central Peloncillo Mountains, Hidalgo County, New Mexico, and Cochise County, Arizona b y ELLIOT GILL ERMAN................................ 95 Carbonate Hill mine .................................................................................. 95 Silver Hill mine .................................................................................. 97 Johnny Bull mine ..................................................................................... 102 Crystal mine ............................................... |  | | Report (issue) | | 103 66 and Mike faults _ Iron Hill _ 103 66 Tucson mine _ Area between Iron and Adelaide faults_ _ _ Yak_...bounded by Weston, Colorado Prince, 105 Wolf tone mine _ 74 Silent Friend, and Winnie-Luema faults_ Probable...Resurrection Area between Ball Mountain and Weston 106 mine _ 76 faults _ _ 76 107 London fault _ Chapter 6...normal faults.. Chapter 7. Production, history, and mine develop77 109 Weston fault _ ment, by Charles W...the railroads _ Minor faults in the Resurrection mine 82_ Rise and fall in production of each Silent Friend |  | | Report (volume) | | ___ Mines and prospects. _ __ _ _ ______ Adjust mine.__ ___ ___ ______!____________ Saddle Mountain group______________...group______________!____________________ Little Treasure mine.__ _______________________ Lee group_____ _____...London-Arizona mine ____________________________ Schneider group _____________________________ Apex mine _ _ ______...Mines and prospects Continued. " Seventy-nine mine ____________ ___ ________ Columbia mine_______ ...A, General view of older Tertiary conglomerate north of Saddle Mountain; B, Close view of older Tertiary |
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