 | | Report (volume) | | Reconnaissance of the Cortez-Buckhorn Area, x Southern Cortez Mountains, -v Nevada By JOHN D. WELLS and JAMES...distribution of silver, Cortez-Buckhorn area, Lander and Eureka Counties, Nevada. 2. Geochemical maps showing...arsenic, and antimony, Cortez-Buckhorn area, Lander and Eureka Counties, Nevada. 3. Geochemical maps showing...zinc, and molybdenum, Cortez-Buckhorn area, Lander and Eureka Counties, Nevada. Pago P3 FIGURE 1. Index...selected metals in samples collected from the Cortez-Buckhorn area..__.___.__ 2. Range of values, median values |  | | Report (issue) | | geologic and geochemical maps of the Buckhorn mine area, Eureka County, Nevada By John D. Wells and James E...showing location of the Buckhorn mine area.-2G --Geologic map of the Buckhorn mine area. 3.--"-Cross section...section A-A 1 of the Buckhorn mine area. 4.--Cross section B-B 1 of the Buckhorn mine area, 5.--Cross section...section C-C 1 of the Buckhorn mine area. 6. Distribution of gold of the Buckhorn mine area. 7.--Distribution...silver of the Buckhorn mine area. 8.--Distribution of mercury of the Buckhorn mine area. 9.--Distribution |  | | Journal (article/letter/editorial) | | assemblages: bimodal basaltrhyolite and western andesite. These magmatic assemblages are petrogenetic suites...bimodal assemblage consist mostly of basalt to andesite and rhyolite compositions that generally contain...buffers for this magmatic assemblage. The western andesite assemblage is a high K calc-alkaline series that...the northern Great Basin, most of the western andesite assemblage was erupted in the Walker Lane belt...transtension and strike-slip faulting. The western andesite assemblage consists of stratovolcanoes, dome fields |  | | Report (issue) | | of the Miners Cabin Wash and Buckhorn Spring Quadrangles, Beaver County, Utah By Myron G. Best, S....UNITS The geology of the Miners Cabin Wash and Buckhorn Spring Quadrangles is dominated by the Indian...composition, and along the south margin of the Buckhorn Spring Quadrangle a similar, but gray, weakly... In the Buckhorn Spring Quadrangle the top of the unit consists of a purple to gray andesite flow with...ash-flow tuff ranges from 12 to 100 m thick and the andesite flow has a maximum exposed thickness of 110 m |  | | Report (issue) | | Mineral Resources Mount Nutt Wilderness Study Mohave County, Arizona U. S. GEOLOGICAL SURVEY BULLETIN 1 737-...of the Mount Nutt Wilderness Study Area, Mohave County, Arizona By FLOYD GRAY, ROBERT C. JACHENS, ROBERT...of the Mount Nutt wilderness study area. Mohave County, Arizona / by Floyd Gray ... [et al.]. p. cm. (U...Nutt Wilderness Study Area (AZ-020-Q24), Mohave County, Arizona. CONTENTS Summary Dl Abstract Dl Character...resources D6 Methods D6 Mining and mineral exploration history D6 Mines and prospects, mining claims and leases |  | | Journal (article/letter/editorial) | | Dismembered Porphyry Systems near Wickenburg, Arizona: District-Scale Reconstruction with an Arc-Scale Context...alteration, rock types, and structures to provide a district-scale cross section and associated palinspastic...and Copper Basin (Crown King). Extension at the district scale is placed in an arc-scale context using...had on spatial relationships at the deposit or district scale (e.g., Lowell, 1968; Wilkins and Heidrick...1994; Staude and Barton, 2001). At the deposit and district scale, the superposition of normal faults and |  | John, D. A., Hofstra, A. H., Fleck, R. J., Brummer, J. E., Saderholm, E. C. (2003) Geologic Setting and Genesis of the Mule Canyon Low-Sulfidation Epithermal Gold-Silver Deposit, North-Central Nevada. Economic Geology, 98 (2) 425-463 doi:10.2113/gsecongeo.98.2.425 | Journal (article/letter/editorial) | | Low-Sulfidation Epithermal Gold-Silver Deposit, North-Central Nevada DAVID A. JOHN,† U.S. Geological Survey, 345 Middlefield...Company, Yanacocha, Peru Abstract The Mule Canyon mine exploited shallow, low-sulfidation, epithermal Au-Ag...the west side of the Northern Nevada rift in northern Lander County, Nevada. Mule Canyon consists of six...basalt-rhyolite magmatism. The ore is hosted by a basalt-andesite eruptive center that formed between about 16.4...e-mail, djohn@usgs.gov *Present address: Newmont Mining Corp., PO Box 388, Valmy, NV 89438. 0361-0128/01/3335/425-39 |  | | Report (issue) | | Geology and Mineral Resources New Mexico Institute of Mining and Technology Socorro, NM 87801 ginger@gis.nmt...rocks. District zonation is defined by Cu-REE-F (±Pb, Zn, Ag) veins that form center of the district, surrounded...OF CONTENTS INTRODUCTION 8 METHODS OF STUDY 10 MINING AND EXPLORATION HISTORY AND PREVIOUS INVESTIGATIONS............................................. 25 Andesite ................................................................................. 13 FIGURE 2. Mining districts and areas in New Mexico that contain |  | | Journal (article/letter/editorial) | | Geologyand Geochemistry of the Cortez Gold Deposit, Nevada John D. WmJ.s, L•.•. R. STO•SER, ^NDJ^M•.sE. E•J...Abstract Gold has been discoveredrecently at Cortez, Nevada, about 45 miles southwestof Carlin in carbonate...anomalyknownin the area. Other gold depositsin north-central Nevada are associated with such anomalies. Contents PAGE...gold geochemicalanomaly reported at Cortez, 530 Nevada, in 1966 by the U.S. GeologicalSurvey (Erickson...GEOCHEMISTRY OF THE CORTEZ GOLD DEPOSIT 527 The early mining was for silver in veins and manto depositsin the |  | | Report (issue) | | standards and nomenclature. • CONTENTS Page Page County and site name Kelly Camp Kettle Key East Knob...placer Sunset Creek placer Victor FERRY Republic district Addison Alva Stout placer Belcher Ben Hur Black...Beaver Mountain Boy MOlllltain Sheep Murray placer Nevada Nighthawk O.K. Okanogan Free Gold Palmer Summit... 285 . 286 . 287 . 288 PEND OREILLE Metaline district Bella May Blue Bucket Calispell Cliff Comstock...Double Eagle Eagle Easter Sunday Edna Electri~ Point Eureka Evans placer Evergreen F. H.andC. Farmer Finley |  | | Report (issue) | | ___________________ -_-----Lode and placer gold deposits, Mohave County _______________________ _ California ________________________...Mother Lode, Amador County __________ _ Tertiary gravels, Nevada City area, Sierra Nevada ________________... _ Aurora district_ ___________________ _ arlin mine __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Copper..._ _ _ _ _ _ _ _ _ _ _ _ _ _ Cortez-Mill Canyon-Buckhorn area_ _______ Gold Acres and Tenabo districts..._---Central North Carolina _-------------Moore County __ ---------- -- ------South Carolina ____ -- __ |  | | Book | | f. MIMING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN i r r i i ; %■... ; 'jxt . 1 — \ MINING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN...LINCOLN 0 ll ; RENO NEVADA NEWSLETTER PUBLISHING COMPANY 1923 PREFACE Earlier Works. The object of...infor mation concerning the mining districts and mineral resources of Nevada. No comprehensive work of...peared for a number of years. In the early days of Nevada min ing, from 1866 to 1878, the field was covered |  | | Report (issue) | | .............. Monzonite porphyry dikes of the Eureka area The Sylvanite composite stock............................ Bedding-plane faults of the Eureka district Interpretation of original conditions along...deposits................ Deposits of the Sylvanite district......................... ' Types of deposits....structural features............ Deposits of the Eureka district .............................. Types of deposits...features............ Zonal relations between the Eureka and Sylvanite districts....................... |  | | Report (issue) | | --------~ontana -------------------------------Nevada--------------------------------New Hampshire--...industry; that of th~ Bureau. of Mines to conduct mining and ~etal!urg1cal studies of subeconomic mineral...in rocks around the copper deposits of the Ely district and point to areas warranting further investigation...was discovered in east Northumberland Canyon, Nye County, Nev., by geologists assigned to a Heavy Metals...of the Ester-Cleary mineralized belt, Fairbanks district, Alaska. University of Colorado-the use of very |  | | Report (issue) | | _ Fan dangle block ___ - ___________________ _ Buckhorn block _______________________ _ Kellys Hole block...Confidence ____________________________ _ Four Metals mine ______________________ _ Francis _______________________________..._________________ .:_ ________ _ Mines and prospects of the Buckhorn area_ References cited __________________________________...sections of Cambrian rocks of western Utah and eastern Nevada in a west-east direction_________ Stratigraphic...sections of Cambrian rocks of western Utah and eastern Nevada in a southwest-northeast direc· tion _________ |  | | Journal (article/letter/editorial) | | BuckhornMountainis relatedto the Cretaceous (?) Buckhorn Mountainpluton(dioriteto granodiorite) anditsassociated...part of the Colville Indian Reservationwasopenedto mining (Moen, 1980). The depositwasminedintermittently...Magneticmine area. These studies concluded that the Buckhorn iron deposits were too smalland too high in sulfurto...p to that time and included information about Buckhorn Mountain aswell asthe regionalgeology. Since1980...mixedassemblage of tuffs,flows,and MYERS CREEK DISTRICT volcaniclastics of the Klondike Wauconda Mountain |  | Roberts, Ralph J., Radtke, Arthur S., Coats, R. R., Silberman, Miles L., McKee, Edwin H. (1971) Gold-bearing deposits in north-central Nevada and southwestern Idaho; with a section on periods of plutonism in north-central Nevada. Economic Geology, 66 (1) 14-33 doi:10.2113/gsecongeo.66.1.14 | Journal (article/letter/editorial) | | section on Periods of Plutonism in North-Central Nevada MILES L. SILBERMAN AND EDWIN H. MCKEE Abstract...ve yielded significant production in only one district, Battle Mountain (Copper Canyonand CopperBasin)...zinc-lead-silver). Peripheral gold-silver depositsoccur at Eureka and Copper Canyon. Disseminatedgold depositssuchas...last 40 years.at Getcheil,Gold M•.TAn deposits in Nevada were subdividedby Acres, Carlin, and Cortez do...structuralenvironment,geochronol- GOLD-BEARING DEPOSITS IN NEVADA AND IDAHO ogy,and geochemistry of the ore deposits |  | | Journal (article/letter/editorial) | | Environmental, 941 8th Street, Boulder, CO 80302, USA. 303-324-6948, aamaest@gmail.com RI PT 2 U.S....Geological Survey, 3215 Marine St., Boulder, CO 80303, USA. 303-541-3037, dkn@usgs.gov Abstract SC Humidity...in modeling the environmental SC performance at mine sites. Improved guidance is needed for more consistent...leachate quality of mining materials and wastes. The tests are usually conducted before mining begins using...rock or wall rock during open pit or underground mine development. The tests can be conducted on existing |  | | Journal (article/letter/editorial) | | uranium deposits in northwestern Nevada and southeastern Oregon, USA Stephen B. Castor ) , Christopher...NV 89557, USA Received 14 June 1999; accepted 24 September 1999 Abstract Northwestern Nevada and southeastern...material, and pyrite. Deposits in the Lakeview U district, Oregon are hosted by weakly peraluminous rhyolite...numerous sulfides. Minor U occurrences at Buff Peak, Nevada, the newly recognized, westernmost topaz Žperaluminous...northwestern Nevada and southeastern Oregon ŽFig. 1; Table 1.. Only the Lakeview district, Oregon had |  | | Report (issue) | | Creek Mining District PART II Geology and Ore Deposits of the OrovilleNighthawk Mining District By JOSEPH...Creek Mining District, and Part II, Geology and Ore Deposits of the Oroville-Nighthawk Mining District...GEOLOGY AND ORE DEPOSITS OF THE MYERS CREEK MINING DISTRICT. Paoe I NTRODUCTION . . . . . . . . . . • ... . . . . . . . . . . . . . . . 40 Minerals of district. . . . . . . . . . . . . . . . . . . . . . . ...of properties.......................... 44 Grant mine . . . . . . . . . • . . . . . . . . . . . . . . |  | Clark Maroun, Lindsey R., Cline, Jean S., Simon, Adam, Anderson, Page, Muntean, John (2017) High-Grade Gold Deposition and Collapse Breccia Formation, Cortez Hills Carlin-Type Gold Deposit, Nevada, USA. Economic Geology, 112 (4) 707-740 doi:10.2113/econgeo.112.4.707 | Journal (article/letter/editorial) | | Formation, Cortez Hills Carlin-Type Gold Deposit, Nevada, USA Lindsey R. Clark Maroun,1,2 Jean S. Cline,1,†...Parkway, Box 454010, University of Nevada Las Vegas, Las Vegas, Nevada 89154 2 California 3 Earth Resources...48109 4 Barrick 5 Nevada Gold Exploration Incorporated, 293 Spruce Road, Elko, Nevada 89801 Bureau of...University of Nevada Reno, Reno, Nevada 89557 Abstract The Cortez Hills breccia zone, a Nevada Carlin-type...gold deposit located in the Cortez district on the Battle Mountain-Eureka trend, formed within a high-grade |  | Best, Myron G., Grant, S. Kerry, Mehnert, H.H., Keith, J.D., Naeser, C.W. (1987) Oligocene and Miocene volcanic rocks in the central Pioche-Marysvale igneous belt, western Utah and eastern Nevada. Professional Paper 1433ab. US Geological Survey doi:10.3133/pp1433ab | Report (issue) | | Pioche-Marysvale Igneous Belt, Western Utah and Eastern Nevada U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1433...Pioche-Marysvale Igneous Belt, Western Utah and Eastern Nevada Stratigraphy of the Volcanic Oligocene Needles...Needles Range Group in Southwestern Utah and Eastern Nevada By MYRON G. BEST and S. KERRY GRANT Miocene Magmatism...Pioche-Marysvale igneous belt, western Utah and eastern Nevada. (U.S. Geological Survey professional paper; 1433-A-B)...Stratigraphic Miocene. 3. Volcanic ash, tuff, etc. Nevada Pioche Region. 4. Volcanic ash, tuff, etc. Utah |  | | Report (issue) | | Mystic mine, Maricopa County, Arizona: Dale G. Armstrong Clemontine mine area, Maricopa County, Arizona:...Trip) Geologic map of the Wickenburg, southern Buckhorn, and northwestern Hieroglyphic Mountains, central...gold mine: Spencer and others (from Arizona Geology) Road log from Wickenburg to the Vulture mine: Joe...mineralization at the Yarnell deposit, Yavapai County, Arizona -- A field guide: M.A. Miller and J.D...roadcut 0.4 miles north of the Maricopa-Yavapai county line. Geologic Highlights: This road cut illustrates |  | | Journal (article/letter/editorial) | | vein deposits,locatedmainly in the Great Basin, Nevada. The majority of sampleshave relatively light 8•sO...200-footlevel of the Con Virginia mine of the ComstockLode district are unique in this study. The 8D of...dateddepositsof the Great Basin (California,Idaho, and Nevada) and the Pachucadistrict of Mexico. A .slightlymore...detailedstudywas madeof the important ComstockLode district. Experimental Procedures DEPOSITS 903 ßI 120ø...were madefor eachsampleand the 8•sO valuesre- 7. BUCKHORN I• GILBERT ported are preciseto -- 0.1. 8. SEVEN |  | | Report (issue) | | of the Arizona Geological society, society for Mining, Metallurgy and Exploration Inc., and the U. s...We also want to thank collectively, all of the mining companies and staff who graciously allowed us to...ALONG THE 1-80 CORRIDOR, RENO TO BATTLE MOUNTAIN, NEVADA R. Cuffney, R. Atkinson and R. Buffa Revised 1990...north-south ranges of central and northeastern Nevada (Fig. I). These belts, or their extensions, contain...vast majority of precious metal deposits found in Nevada to date. Our trip begins in the Walker Lane mineral |
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