👁 Image
| | Report (issue) | | Utah Geological Survey Open-File Report 695 Utah Mining Districts UTAH GEOLOGICAL SURVEY a divison of...IRON Modena (Au Ag) (W) (U V) (U) PIUTE Granite Thompson (V U) (Mn) Temple Mountain San Rafael...SUMMIT Gold City (Au) (Cu Au Mo) (Pb Ag Cu Zn) Granite Peak (As Au Ag Au) 80 (Ag Pb Au Zn) (Ag Pb)...Doelling, H.H., and Tooker, E.W., 1983, Utah mining district areas and principal metal occurrences: Utah...1:750,000. Willard Great (Ag Au) 41°0'0"N Utah Mining Districts 112°0'0"W Clear Creek A Yost R iv | 👁 Image
| | Report (issue) | | Morey and Fandango
Wilderness Study Areas, Nye County, Nevada
U.S. GEOLOGICAL SURVEY BULLETIN 1731-A
Chapter...Morey and Fandango
Wilderness Study Areas, Nye County, Nevada
By DAVID A. JOHN, J. THOMAS NASH, and DONALD...MINERAL RESOURCES OF WILDERNESS STUDY AREAS: CENTRAL NEVADA
DEPARTMENT OF THE INTERIOR
DONALD PAUL MODEL...Morey and Fandango Wilderness
Study Areas, Nye County, Nevada.
U.S. Geological Survey Bulletin 1731-A
Bibliography:...mineral resources Nevada Morey Peak
Wilderness. 2. Mines and mineral resources Nevada
Fandango Wilderness | 👁 Image
| | Book | | Edinburgh EH3 6AJ 350 Main Street, Malden MA 02148 5018, USA 54 University Street, Carlton Victoria 3053, Australia...4YN (Orders: Tel: 01235 465500 Fax: 01235 465555) USA Blackwell Science, Inc. Commerce Place 350 Main...8.4 When to Drill and When to Stop Recycling Prospects Summary 77 82 90 Remote Sensing and Photogeology...315, Nevada 316 Trinity Mine, Nevada 320 Background Exploration The Geology of Pershing County...County and the Trinity District Development and Mining Mineral Processing Environmental Considerations Grade | 👁 Image
| | Report (issue) | | Organ Mountains Wilderness Study Area,
Dona Ana County, New Mexico
U.S. GEOLOGICAL SURVEY BULLETIN 1735-D...Organ Mountains Wilderness Study Area,
Dona Ana County, New Mexico
By STEVE LUDINGTON, WILLIAM F. HANNA...Organ Mountains Wilderness Study Area, Dona Ana
County, New Mexico.
(Mineral resources of wilderness study...Mountains Wilderness
Study Area (NM-03G-074), Dona Ana County, New Mexico.
CONTENTS
Summary
Dl
Abstract
Dl...identified resources
D4
Mining and mineral-exploration history
D4
Mines, prospects, and mineral occurrences | 👁 Image
| | Report (issue) | | Washington , D.C . 20402
FOREWORD
For nearly three decades our ation has been debating how the national...prepared during the last 20 years
by geologists and mining engineers of the U.S. Geological Survey and the... by David A. Brew and Arthur L. Kimball .....
Granite Fiords Wilderness study area, Alaska, by Henry...Dellinger
and Nicholas T. Zilka . . . .
. ........ .
Granite Chief Wilderness study area, California, by David...Harwood and Francis E. Federspiel ......... . .
Granite Peak Roadless Area, California, by Donald F. Huber | 👁 Image
| | Report (issue) | | ................................. 3
Rocky Bar District—43 .................................................................................. 8
Hecla District—41 ........................................................................................ 9
Granite Peak—21 .........................................production is the Thompson Creek deposit in
Custer County, Idaho.
Though molybdenite does occur in some veins...Mine
Thompson Park
Golden Sunlight
Turnley Ridge
Granite Peak
Gold Bug-Hawkeye
Judith Peak-Red
Cannivan | 👁 Image
| | Report (issue) | | Selway-Bitterroot Wilderness, Idaho and Montana
9 Special Mining Management Zone Clear Creek
13
2
18
15
Ten Mile...samples, and samples
from mines and prospects. Mines, prospects, and mining records were examined. Aeromagnetic...mineral-resource potential.
The study area includes parts of 5 mining
districts Alta, Copper Basin, Little Wood River...and Solid Muldoon
($200,000 in lead-silver ore). Mining has been intermittent from about 1885 to 1975....Alta
district; Lake Creek (area B) and East Fork Wood River
(area E) in the Warm Springs district; Star | 👁 Image
| | Report (issue) | | organization is carrying on for the direct advancement of mining
interests throughout the country than can readily...GOLD LODES OF THE CARRVILLE DIS
TRICT, TRINITY COUNTY, CALIFORNIA.
By DONALD FRANCIS MACDONALD.
INTRODUCTION...writer spent 10 days in the Carrville district,
Trinity County, Cal., and, incidental to other work,... gathered some
data on its mining geology. A paper on the gold gravels x was pub
lished, but baggage...written. In November, 1910, another
visit to the district was made, but inclement weather handicapped
the | 👁 Image
| | Report (issue) | | Survey in accordance with the provisions
of the Mining and l'iinerals Policy Act of 1970 (Public Law 91-631...discovered or not currently profitable to mine.
The mining of mineral deposits, once discovered, depends on...Brunswick, prospect _______ _
Porphyrylike mineral prospects -----------------Known deposits of porphyry copper...Aroostook County, Maine ___ _
12
13
Eagle Lake, New Brunswick ---------------13
Molybdenum prospects of the...Mountain (Tunk Lake) prospects __
15
Machias occurrence, Washington County, Maine
17
Granite Quarry Hill molybdenum | 👁 Image
| | Journal (issue) | | Rhodesia
By Anton Gray and R. J. Parker
¢
Bauxite Mining in Dutch Guiana
By Lawrence Litchfield, Jr.
o...Publication: Engineering and Mining Journal
ENGINEERING
Volume 128
MINING
A consolidation
of “Engineering...“Engineering
Associate
Editors:
P. Reepand
and Mining Journal”
E. H. Rosiz, A. H. HUBBELL,
H. D. Keser...Editor:
Gsorce
H.
J. Younc,
H. WanprErs.
Bauxite Mining in Dutch Guiana
457
By the Way
460
Consultation...480
™
482
Mining News
483
Market and Financial News
491
Market Report
492
Mining Stocks
494 | 👁 Image
| | Report (issue) | | Introduction 2
Appraisal of identified resources 3
Mining history 3
Mineral appraisal 3
Assessment of mineral...(undiscovered) of the study area. Samples from
three prospects within the study area contain minor gold,
silver...(or)
tungsten in epithermal veins. The Oracle Granite has low
potential for resources. of quartz, feldspar...Wilderness Study Areas is
not within any organized mining district, but there are
several placer and lode claims...southeastern part of the study area. Of the three prospects sampled, all have low-level geochemical anomalies | 👁 Image
| | Report (issue) | | Horn Mountains
Wilderness Study Area,
Maricopa County, Arizona
OCT
77
U.S. GEOLOGICAL SURVEY BULLETIN...Horn Mountains Wilderness Study Area,
Maricopa County, Arizona
By FLOYD GRAY, R.J. MILLER, J.R. HASSEMER...WEST-CENTRAL ARIZONA
AND PART OF SAN BERNARDINO COUNTY, CALIFORNIA
DEPARTMENT OF THE INTERIOR
DONALD...Horn Mountains Wilderness
Study Area, Maricopa County, Arizona.
U.S. Geological Survey Bulletin 1701-A...Mountains Wilderness Study Area (AZ-020-099), Maricopa County, Arizona.
CONTENTS
Summary Al
Abstract 1
Character | 👁 Image
| | Report (issue) | | Idaho:
Volume III:
Miscellaneous Properties,
Owyhee County, Idaho
Earl H. Bennett, John Kauffman, and
Victoria...Idaho:
Volume III:
Miscellaneous Properties,
Owyhee County, Idaho
Earl H. Bennett, John Kauffman,
and Victoria... . . . 11
2.0 MISCELLANEOUS PROPERTIES, OWYHEE COUNTY, IDAHO . . . . . . . . . . . . . . . . . 12
2.1.... . . . . . . . 12
2.1.1 Summary of the Owyhee County Study Area . . . . . . . . . . . . . . . . . ..... . . . . . . . . 21
2.5 SUMMARY OF THE OWYHEE COUNTY STUDY AREA . . . . . . . . . . . . . . . . . 24 | 👁 Image
| | Report (issue) | | OF NEW MEXICO
Compiled by
DO NN M . CLIPPINGER
Mining Engineer
Socorro
1949
BARITE OF NEW MEXICO
Compiled...Resources Bulletins 4, 8, 11, 12 and 21. A few prospects have been reported in the past
year and every...fluorspar deposits and in the ores of certain metal-mining districts.
The commercial use of barite, as such...sulfide.
N E W M E X IC O O C C U RREN CES
DONA ANA COUNTY
TONUCO MOUNTAIN DEPOSITS 4 /
(Near center S 1/2...Location and Accessibility
Tonuco Mountain in Dona Ana County in east of Heathdon on the Albuquerque
and El Paso | 👁 Image
| | Report (issue) | | Survey, U. S. Department of the Interior
11
PART 2
MINING AND MILLING OF FLUORSPAR IN NEW MEXICO,
b y C....FLUORSPAR, by A. D. Hahn, formerly Professor of Mining, New Mexico School of Mines
221
PART 1.-GEOLOGY...-------------------------------- 36
Bernalillo County ----------------------------------------------...------------------------------------ 42
Catron County ----------------------------------------------...----------------------------- 48
Mogollon mining district ------------------------------------------ | 👁 Image
| | Report (issue) | | Coast Range of California, trends toward the Sierra Nevada.
These are the ranges to which the Klamath Mountains...related in materials and
structure to the Sierra Nevada and the Blue Mountains.
The Klamath Mountains consist...list includes the principal chrome mines and prospects in the Klamath Mountains in 1918. In figure 1...are shown by dots and numbered serially
in each county. The numbers are given in the list. Mines that...are designated by " S," those mining but not
shipping by " M," and prospects by " P." .
CHROMITE IN KLAMATH | 👁 Image
| | Journal (article/letter/editorial) | | invariably accompanies gold and is
a coproduct of gold mining. In spite of its low price, coproduct silver is...Au
Fig. 3. Location of some named mines and prospects, west half of Thunder Mountain caldera
complex...the Composition of Electrum from Four Deposits [Three-Digit
Values Are Fineness of Au]
Trigold
Sunnyside...small size of the particles.
Several samples from prospects in the supergene alteration zone show one or more...and in ancient mudflow debris (Robert J. McRae, mining engineer,
written commun., 1966). As recently as | 👁 Image
| | Report (issue) | | PAPER
235
Includes the. Leadville, Colorado, mining
district.
Prepared in cooperation with the
Colorado...Geological Survey Board and
the Colorado Metal Mining Fund
UNITED STATES GOVERNMENT PRINTING OFFICE...of rock__________________________
Pikes Peak(?) granite- __________________
Silver Plume(?) granite__ _______...central part of the Leadville disFaults in the Nevada Tunnel.. ____ _______
Bowden and related faults...Comparison with deposits in central Leadville
district and elsewhere. ____________________
Description | 👁 Image
| | Report (issue) | | Mountains
Wilderness Study/ Areas,f San Bernardino
County, California
U.S. GEOLOGICAL SURVEY BULLETIN 1712-A...Mountains Wilderness Study Areas,
San Bernardino County, California
By BRETT F. COX, ANDREW GRISCOM, JAMES...Rodman Mountains Wilderness Study Areas,
Bernardino County, California.
and
San
U.S. Geological Survey Bulletin...California Desert Conservation Area, San Bernardino County, California.
CONTENTS
Summary Al
Abstract 1...work and analytical methods 8
Regional history of mining and mineral exploration 8
Sites examined for this | 👁 Image
| | Book (volume) | | Furcron, Chief Geologist of the Department of Mines, Mining and
Geology; on the State of Michigan by Robert...Stevens Point,
Wisconsin, and by A. L. Mahaffey of Nevada, Missouri. The well-known
Texas agate localities...Kobuk jade locality.
Descriptions of San Diego County, California, gemstones and the mines in
which they...the generous assistance of many residents
of that county. My special thanks are extended to Elbert H. McMacken...Without his intimate knowledge of many mines and prospects—
and, more important, how to get to them!—a most | 👁 Image
| Goldfarb, R. J., Ayuso, R., Miller, M. L., Ebert, S. W., Marsh, E. E., Petsel, S. A., Miller, L. D., Bradley, D., Johnson, C., McClelland, W. (2004) The Late Cretaceous Donlin Creek Gold Deposit, Southwestern Alaska: Controls on Epizonal Ore Formation. Economic Geology, 99 (4) 643-671 doi:10.2113/gsecongeo.99.4.643 | Journal (article/letter/editorial) | | deposit is subdivided into about one
dozen distinct prospects, most of which consist of dense quartz ± carbonate...this placer production has come
from the Iditarod district, where the auriferous quartz veins
of the Golden...provided a significant lode source (Bull, 1988).
Three general groups of metallic ore deposits are recognized...(CM), Ganes-Yankee Creek (YG), Julian Creek
(JC), Granite Creek (GC), Vinasale (V), Stuyahok (not shown;...Creek gold
deposit occurs in a series of drilled prospects within an 8-km-long, NNE-trending igneous dike | 👁 Image
| | Journal (issue) | | PUBLISHING
Publishers,
SCRIPTIONS
THE ENGINEERING AND MINING JOURNAL are PAYABLE
per aannum
CE. Price: For the...Bullionville District
Godbe 106
Recent Decisions Affecting the Mining
Dividends Declared
Mining
107
Personal...103—British Iron and Steel Trade, 104
Launched
1893,
Mining
England, 105
—Proposed Changes
the Patent Law,...Niagara Falls, which
have been under construction for three years past, was made January
25th, when the machinery...brought
notice
dispatch
daily
120 paper describing
MINING Co’s.... 119
112
Chicago.......
South
Chicago | 👁 Image
| | Journal (article/letter/editorial) | | 4–9 Ma along the coastal areas of
South US, the USA.
Clarke, J. D. A. 2006. ‘Antiquity of aridity in...alteration, and supergene weathering in the El Peñon district,
northern Chile’, Econo. Geolo., 103, 851–864...Lowlands pluton, part of the Caledonian Leinster
Granite, in southeast Ireland. Despite the indistinguishable...(O’Connor, Gallagher and Kennan 1991) and the Leinster Granite
(O’Connor et al. 1989), and their similar initial...liquids after crystallisation of the Leinster Granite or formed from separate
partial melts from similar | 👁 Image
| | Report (issue) | | Notes on the gold lodes of the Carrville district, Trinity County, Cal., by
D. F. MacDpnald...............account of the ore deposits of the Loon Creek district, Idaho,
byJ. B.Umpleby.................................................
Notes on the Antelope district, Nev., by F. C. Schrader...................
Notes...Notes on the northern La Sal Mountains, Grand County, Utah, by J. M. Hill.
Survey publications on gold...............
COPPER:
The Turquoise copper-mining district, Ariz., by F. L. Ransome...........
Survey | 👁 Image
| | Journal (article/letter/editorial) | | same type. In this analysis only deposits and prospects that are likely
to be included in future grade...combined into one deposit. Only 286 deposits and prospects that have more than half of the deposit not covered...borders of hosting magmatic arc terranes based on
three main features: (1) extensive exploration for porphyry...used. Information on individual deposits and prospects is provided in a recently updated database of...copper deposits of the world
(Singer et al., 2005). Three control areas in the Philippines
and four control |
|
