 | | Report (issue) | | Mountain-type Au-Ag polymetallic veins, Blue Mountains, Oregon, for use in resource and environmental assessment...Mountain-type Au-Ag polymetallic veins of eastern Oregon can be used: (1) to characterize the gold and silver...target area of 160 hectares (fig. 8). Depth of mining in known deposits range from 31 to 915 m. The geometric...reported, or, in the case of zinc, possibly avoided in mining. Descriptions are commonly incomplete. Nearly all...veins have been a favored target for smallscale mining and can occur in large numbers scattered over a |  | | Report (issue) | | STATE OF OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES 329 SW. Oak Street Portland, Oregon Bulletin...No. 14-A Oregon Metal Mines Handbook By the Staff Bulletin No. No. 14-A Northeastern Oregon-East Half...Northeastern Oregon-West Half No. 14-C Southwestern Oregon No. 14-D Northwestern Oregon No. 14-E Central...Southeastern Oregon ----�- 1939 STATE GOVERNING BOARD W. H. STRAYER, CHAIRMAN BAKER ALBERT BURCH...• FOREWORD T HE ONLY handbook or catalog of Oregon mines ever published was issued in 1916-more than |  | | Book (volume) | | ...........................................398 Oregon ................................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona – Cochise Co. Mining Districts .................................... |  | | Journal (article/letter/editorial) | | Tenderfoot mine (about 19131, Esterbrook copper district, Albany County. John Taylor collection. An ideal and...titled “The Copper Mountain Pegmatite District, Freniont County, Wyoming” and was in the JulylAugust 2001...most notable ones. The localities are listed by county and then in alphabeticnl order. Where numerous...under the district name. District names are from Hausel (1986). Localities by County Albany County Allanite...Buttes: see The Buttes. Centennial (La Plata) gold district, 27 miles W of Laramie on State 130 to Centennial |  | | Report (issue) | | INDEX OF MINING PROPERTIES IN COCHISE COUNTY., ARIZONA by Stanton B. Keith Geologist Bulletin 187...research and provide information about exploration. mining. and metallurgical processes that are needed in...Technology Branch J. Brent Hiskey Assistant Director Mining and Mineral Resources Researchlns~tute Orlo E...Affirmative Action Employer. INDEX OF MINING PROPERTIES IN COCHISE COUNTY, ARIZONA by Stanton B. Keith Geologist...still produce copper. The Warren (Bisbee) mining district, which includes this mine, yielded 167,242 |  | | Report (issue) | | an overall guide been written on gold and gold mining of publications have no single report or to...longer district Hulin, respectively. the principal features of each gold-bearing district are described...publications were written on various phases of gold mining. The reports of John Trosk, the first State Geologist...Mineral prepared reports of mine production and gold-mining Bureau, and later now the California Division...The California Mining in 1880, gold-mining operations; the and Geology and the County a number of |  | | Book (volume) | | ...........................................340 Oregon .................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a bed...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | ...........................................340 Oregon .................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a bed...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...Oberlb Oklahoma........Prof. D. W. Ohern, Norman. Oregon............Prof. A. J. Collier, Eugene. Pennsylvania...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Report (volume) | | ....................................... 102 District of Columbia .................................................................................. Oregon. ................................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |  | | Report (volume) | | GEORGE OTIS SMITH, DIRECTOR BULLETIN 594 SOME MINING DISTRICTS IN NORTHEASTERN CALIFORNIA AND NORTHWESTERN...GEORGE OTIS SMITH, DIRECTOR BULLETIN 594 SOME MINING DISTRICTS IN NORTHEASTERN CALIFORNIA AND NORTHWESTERN...of the ore deposits 2 27 30 Mining districts 2 Hayden Hill, Lassen County, Cal 2 30 30 Location and accessibility...filling 3 42 CONTENTS. Mining districts—Continued. Hayden Hill, Lassen County, Cal.—Continued. Ore deposits—Continued...shoots Milling High Grade district, Modoc County, Cal Location History of mining Accessibilty Previous descriptions |  | | Report (Issue volume) | | these card catalogues would be as useful to the mining industry as they have proved to be to the Division...and expense involved are justified and that the mining industry will find that having this material readily...During the 90 years or more that prospecting and mining have been active, a vast amount of information...extensively to the fund of published data. Also, mining journals and periodicals, many of which are no................................ . Copper-Stevens County ....................... . Lode gold .......... |  | | Report (issue) | | ARIZONA LODE GOLD MINES AND GOLD MINING by Eldred D. Wilson, J. B. Cunningham, and G. M. Butler Bulletin...Arizona Tucson ARIZONA LODE GOLD MINES AND GOLD MINING by Eldred D. Wilson, J. B. Cunningham, and G. M...Mines Bulletin No. 137, ARIZONA LODE GOLD MINES AND MINING, was originally issued in 1934 in response to the...and, in view of the restrictions placed on gold mining during the war, it was not considered necessary...which deals with the laws and regulations governing mining, however, have been deleted, inasmuch as many of |  | Bineli Betsi, Thierry, Mokane, Lebogang, McFarlane, Chris, Phili, Kelebogile, Kelepile, Tebogo (2020) Multistage gold mineralization events in the Archean Tati greenstone Belt, northeast Botswana: Constraints from integrative white mica Ar/Ar, garnet U-Pb and sulfides Pb/Pb geochronology. Precambrian Research, 339. 105623 doi:10.1016/j.precamres.2020.105623 | Journal (article/letter/editorial) | | Technology, Private Bag 16, Palapye, Botswana. of Mining and Geological Engineering, Botswana International... and include (from NW 66 to SE) Map Nora, Golden Eagle, Mupane and Signal Hill. The style of Au 67... 88 With the exception of Shashe deposits (Golden Eagle and Map Nora), there is no 89 definite style...Formation is host to the Au deposits of Map Nora and Golden Eagle (Tombale, 152 1992). The Penhalonga Formation...arsenopyrite, pyrrhotite, pyrite, sphalerite, chalcopyrite and 161 accessory bornite and galena. Gold |  | | Book (volume) | | chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford...woods, etc. DAWSON COUNTY GOTHENBURG, in sand pitspetrified palm wood. DEUEL COUNTY CHAPPELL, all regional |  | | Report (issue) | | Dean Farris from mine dump waste in the Gold Hill district. The actual diameter of the button in the lower... . . . . . . . . . . . . . . . . . . . Kirwin district . . . . . . , . . . . . . . . . . . . . . . ....City) district .. . . . . . . . . . . . . . . . . . . . . . . . . 13 16 Stinkingwater district . . ... .. .. . ... . . . . . . . . . . . . Sunlight district . ... . . . . . . . . . . . . . . . . . . . ..... ... . .... . ... .. .....• . •.. Bear Lodge district . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | LAWSON-DUMONT-FALL RIVER DISTRICT, CLEAR CREEK COUNTY, COLORADO By C. C. Hawley and Frank Baker Moore Prepared...Copenhagen (Cincinnati) mine -» . Elm City mine -« Golden Hope mine 7 . . ... . Happy Thought mine - « «...tunnel « « « « Eagle-Tim Tarsney vein Golden Calf mine Gold Chloride mine « « « Golden Eagle mine « -« ....showing location of the Lawson-Dumont-Fall River district and some nearby districts, Clear Creek and Gilpin... Geologic map of the Lawson-Dumont-Fall River district, showing location of mines and distribution of |  | | Report (volume) | | RECONNAISSANCE OP THE ORE DEPOSITS IN NORTHERN YUMA COUNTY, ARIZONA ROWLAND BANCROFT WASHINGTON GOVERNMENT...........-.-.----.----..-.-.........-:...- 14 Mining and metallurgy ...................................................... Conditions and cost of mining......................................... 15 15 Methods........................... 55 Clara Consolidated Mining Company's properties................... 59 Deposits........................................ 68 Viati Mining Company's property............................ |  | Blewett, Richard S., Huston, David L., Mernagh, Terrence P., Kamprad, Jullienne (2002) The Diverse Structure of Archean Lode Gold Deposits of the Southwest Mosquito Creek Belt, East Pilbara Craton, Western Australia. Economic Geology, 97 (4) 787-800 doi:10.2113/gsecongeo.97.4.787 | Journal (article/letter/editorial) | | competence-controlled strata-bound disseminated style (Golden Eagle), a competence-controlled crosscutting tensional...(Maitland, 1908). The Mosquito Creek belt hosts four mining centers—Middle Creek-Twenty Mile Sandy, Blue Spec-Billjim...6 t. This paper documents five deposits: the Golden Eagle, Otways, Shearers, Barton’s, and Hopetoun North...Middle Creek line Golden Eagle Barton Hopetoun Blue Spec line Blue Spec/Golden Spec Golden Gate Mosquito...Gifford (1990), and the Registry of Australian Mining 787 788 BLEWETT ET AL. 120°00' 0 120°30' |  | | Report (issue) | | California (Clark, 1970); Klamath Mountains, California-Oregon (Hotz, 1971); and Bridge River Camp, British Columbia...deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent feature...86 percent of the districts in Nova Scotia. Chalcopyrite was "very minor" in the Mother Lode (Knopf,...Victoria (Junner, 1921). Hotz (1971) reports that chalcopyrite was uncommon in deposits of this type in the...statements found in the literature for an area or district do not differentiate between mineral abundance |  | | Report (issue) | | RESOURCES OF KERN COUNTY CALIFORNIA CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 1 i y 1966... Front cover: The exceedingly varied terrain of Kern County is shown by the brown section— from McKittrick...Sierra Nevada and Owens Peak (highest point in the county); on the east (right side) is the sharp descent...MINERAL RESOURCES OF KERN COUNTY, CALIFORNIA By BENNIE W. TROXEL, mining geologist California Division...MORTON, and Geology mining geologist California Division of Mines and Geology County Report f Ferry Building |  | | Report (volume) | | Lawson-DumontFall River District Clear Creek County Colorado By C. C. HAWLEY and FRANK BAKER MOORE GEOLOGICAL...of the general geology and ore deposits of the district which forms the northwestern part of the important...section of the Lawson-Dumont-Fall River district, Clear County, Colo. 2. ~ap showing major faults (veins)...(veins) of the Lawson-DumontFall River district projected to a horizontal plane having an elevation of 8...PLATE 3. Map of the Lawson-Dumont-Fall River district, showing location of mines and distribution of |  | | Report (volume) | | AREAS f EAGLE CAP, OREGON GEOLOGICAL SURVEY BULLETIN 1385 -E MINERAL RESOURCES OF THE EAGLE CAP WILDERNESS...WILDERNESS AND ADJACENT AREAS, OREGON View north from the crest of Eagle Cap, July 3, 1971. Broad U-shaped... Mineral Resources of the Eagle Cap Wilderness and Adjacent Areas, Oregon By PAUL L. WEIS, J. L. GUALTIERI...1922Mineral resources of the Eagle Cap Wilderness Area and adjacent areas, Oregon (Studies related to wilderness...Bibliography: p. 84-86. 1. Mines and mineral resources Oregon-Eagle Cap Wilderness. I. Weis, Paul Lester, 1922II |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |
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