| | Report (issue) |
SOUTHEASTERN ALASKA By A. F. BTJDDINGTON FIELD WORK Since 1921 the writer has been engaged in a study of the...the geology and mineral deposits of southeastern Alaska. The field work in 1921 and 1922 was devoted chiefly...chiefly to the Wrangell district. A part of the results have already been published,1 and a more complete...information, which, it is believed, is of immediate practical value to the mining industry. For this reason it...mapping of the geology necessary for a full understanding of the occurrence of ores in the district examined |
| | Report (volume) |
DEPARTMENT OF THE INTERIOR Roy O. West, Secretary U. S. GEOLOGICAL SURVEY George Otis Smith, Director...Bulletin 807 GEOLOGY OF HYDER AND VICINITY SOUTHEASTERN ALASKA WITH A RECONNAISSANCE OF CHICKAMIN RIVER ... ADDITIONAL COPIES OF THIS PUBLICATION MAY BE PROCURED FROM THE SUPERINTENDENT OF DOCUMENTS TJ.S.OOVERNMENT...________-______ _____________._-__.-___-__--__--_--_-_ Alaska.__-___-__---______-_-____-_-___--____-___-_-___-__-___..._-_-___--____.___-___-----__--_-General features of the relief----______-_---___-__------_-_-_ Streams |
| | Report (volume) |
Southeastern Alaska GEOLOGICAL SURVEY BULLETIN This report concerns work done on behalf of the U. S....permission of the Commission 1024-B Investigations for Radioactive Deposits in Southeastern Alaska By WALTER...GEOLOGICAL SURVEY OF ALASKA, BULLETIN 1954 1024-B This report concerns work done on behalf of the U. S....Energy Commission and is published with the permission of the Commission UNITED STATES GOVERNMENT PRINTING...OFFICE, WASHINGTON ; 1955 UNITED STATES DEPARTMENT OF THE INTERIOR Douglas McKay, Secretary GEOLOGICAL |
| | Journal (article/letter/editorial) |
THE PARAGENESIS G. M. OF PYRRHOTITE. SCHWARTZ. •NXRO•)UCX•O•V. I• a discussionof ore minerals with...considered a definiteevidence of high temperature of formation,but its ease of alterationunder oxidizing...especially active. The abovestatement on the significance of pyrrhotitehas frequentlyrecurredto thewriter on observing...theindication of hightemperature by thelatter. Other oresshowpyrrhotitereplacedby pyrite or marcasite...therealrelationship of pyrrhotiteto otherminerals,especially to pyriteandmarcasite. The occurrence of pyrrhotiteas |
| | Report (issue) |
SOUTHEASTERN ALASKA By A. F. BUDDINGTON INTRODUCTION In the Sitka district the continued operation of the Chicagoff...Hirst-Chicagof gold mines and the installation and operation of a new mill at the Apex-El Nido property in 1924,...prospecting for gold ores. In the Juneau district a belt of metamorphic rock, which extends from Funter...number of large, well-defined quartz fissure veins, was being prospected on the properties of the Admiralty-Alaska...Admiralty-Alaska Gold Mining Co. and the Alaska-Dano Co. on Funter Bay and of Charles Williams and others |
| | Report (volume) |
DEPARTMENT OF THE INTERIOR Ray Lyman Wilbur, Secretary U. S. GEOLOGICAL SURVEY George Otia Smith. Director...Director m 800 GEOLOGY AND MINERAL DEPOSITS OF SOUTHEASTERN ALASKA BY A. F. BUDDINGTON AND THEODORE CHAPIN... ADDITIONAL COPIES OF THIS PUBLICATION MAT BE PROCURED FROM THE SUPERINTENDENT OF DOCUMENTS U. 8. GOVERNMENT..._______________ Scope of report ___.__-_-____-__________-_--__-___-_________ Nature of the field work ____...____ ______________________________ Responsibility of authorship... ______________________________ Acknowledgments |
| | Journal (article/letter/editorial) |
GEORGE M. OF NATIVE 1944 No. 6 GOLD. SCHWARTZ. ABSTRACT. An intensive review of the literature...literature as well as microscopic study of many ores showsthat gold occursmost frequently in direct contact with...the following ore minerals in the order, named: pyrite, arsenopyrite, galena, sphalerite, chalcopyrite...effectiveprecipitants of gold under natural conditionsalthoughthe possibilityof precipitation of gold by the host...associated minerals. The writerhasstudiedpolished surfaces of goldoresfor sometime but onlyrecentlyhastime permittedan |
| | Report (volume) |
Metalliferous Lode Deposits of Alaska By HENRY C. BERG and EDWARD H. COBB . G E O L O G I C A L S...L E T I N 1246 A n inventory of the mines and )- grosfiects of Alaska and their ' f geologic settings...OFFICE, WASHINGTON : 1967 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL...Director Library of Congress catalog-card No. GS 67-279 For o l e by the Superintendent of Documents. U...-----------------------------1 Purpose and scope of report . . . . . . . . . . . . . . . . . . . . . |
| | Report (issue) |
United States Department of the Interior Geological Survey Mines, prospects and selected metalliferous...occurrences in the Bradfield Canal quadrangle, Alaska by R. L. Elliott and R. D. Koch U.S. Geological...occurrences in the Bradfield Canal quadrangle, Alaska By R. L. Elliott and R. D. Koch Introduction A...occurrences of metallic mineral commodities in the Bradfield Canal quadrangle of southeastern Alaska. This...This report is part of a geologic mapping and mineral resource assessment study of the quadrangle carried |
| | Report (volume) |
Index of Metallic and Nonmetallic Mineral Deposits of Alaska Compiled From Published Reports of Federal...OFFICE, WASHINGTON : 1961 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL; Secretary GEOLOGICAL...1916Index of metallic and nonmetallic mineral deposits of Alaska, compiled from published reports of Federal...cm. (U.S. Geological Survey. Bulletin 1139) "List of reports cited": p. 345-363. 1. Mines and mineral...resources Indexes. 2. Mines' and mineral resources Alaska. I. Kachadoorian, Reuben, 1921-, rjoint author |
| | Report (issue) |
UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Regional geologic summary, metallogenesis...metallogenesis, and mineral resources of southeastern Alaska Henry C. Berg* Open-File Report 84-572 This report...standards and stratiaraphic nomenclature. 1 Anchorage, Alaska 1984 CONTENTS Page Abstract.................................................... 7 Organization of report................................................................................... 9 Summary of results......................................... |
| | Report (issue) |
Washington 1969 CIRCULAR 621 United States Department of the Interior WALTER J. HICKEL, Secretary Geological...______________________ _ Alaska __________________________ _ Southern Alaska Range ______________ _ Central...Central and eastern Alaska Range _______ _ B ttl s-Wis man sr n _______________ _ Eastern Brooks Range...belt, Fairbanks region ________________________ _ Hyder district_ _______________ ----Livengood district_...____________ _ Southeastern Alaska ________________ _ Talkeetna Mountains and central Alaska Range ________________________ |
| | Report (issue) |
UNITED STATES DEPARTMENT OF THE INTERIOR Harold L. Ickes, Secretary GEOLOGICAL SURVEY W. C. Mendenhall...MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1935 DEPARTMENT OF GFOL; OH 10 STATE...separate publication] Page (A) Mineral industry of Alaska in 1935, by P. S. Smith (published in March 1937)..._______ 185 Selected list of Geological Survey publications on Alaska..___0n back of plate 1 ILLUSTRATIONS...PLATB 1. Map of Alaska, showing areas covered by selected available reports and maps of Alaska.._-______----___________ |
| | Report (issue) |
Principal Gold-Producing Districts of the United States By A. H. KOSCHMANN and M. H. BERGENDAHL GEOLOGICAL...A description of the geology, mining history, and production of the major gold-mining districts in 21...OFFICE, WASHINGTON 1968 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL...Director Library of Congress catalog-card No. GS 68-341 For sale by the Superintendent of Documents, U.S...ion of principal districts -------------Geologic relations ---------------------------History of gold |
| | Report (issue) |
COSNA-NOWITNA REGION. By HENRY M. EAKDST. INTRODUCTION. The area here called the Cosna-Nowitna region extends southward...Minchumina and the North Fork of Kuskokwim River. It reaches from the longitude of Cosna on the east to Nowitna...fig. 14.) Prior to 1915 the topography and geology of this region were practically unknown except its eastern...had been' FIGURE 14. Index map showing location of Cosna-Nowitna region. traversed by Herron.1 Few...importance. In the summer of 1915 a small Geological Survey party in charge of the writer made a rapid |
| | Catalog/List |
#8068 NATURE & SCIENCE Featuring: The Collection of a Southern Gentleman December 8, 2021 | Dallas Heritage...Airport Freeway | Dallas, TX 75261-4127 NW Corner of W. Airport Freeway (Hwy. 183) and Valley View Lane...Airport Freeway | Dallas, TX 75261-4127 NW Corner of W. Airport Freeway (Hwy. 183) and Valley View Lane...214-409-1425 Lots are sold at an approximate rate of 65 lots per hour, but it is not uncommon to sell...subject to a Buyer's Premium of 25% on the first $300,000 (minimum $49), plus 20% of any amount between $300 |
| | Report (volume) |
UNITED STATES DEPARTMENT OF THE INTERIOR Harold L. Ickes, Secretary GEOLOGICAL SURVEY W. C. Mendenhall...Director . i VT Bulletin 897 REPORT ON PROGRESS OF INVESTIGATIONS IN 1936 BY PHILIP S. SMITH AND OTHERS...separate publication ) (A) Mineral industry of Alaska in 1936, by P. S. Smith (published in March 1938)...-----------------_1 (B) 'The Valdez Creek mining district in 1936, by Ralph Tuck (published in March.........__._.__._.._._.__.... 109 (C) Gold placers of the Fortymile, Eagle, and Circle districts, by J |
| | Report (issue) |
UNITED STATES DEPARTMENT OF INTERIOR GEOLOGICAL SURVEY Mineralogic and Grade-Tonnage Information on...Geological Survey, Menlo Park, California. TABLE OF CONTENTS Introduction.............................Characteristics of deposits ........................................ 1 Definitions of deposit........................................ 2 Method of evaluation of ore minerals.......................... 3...3 Frequency, abundance and grouping of sulfides................. 4 Non-sulfides................... |
| | Journal (article/letter/editorial) |
A THEORY OF MINERAL ORE SEQUENCE IN HYPOGENE DEPOSITS. MARK C. BANDY. (Continued from last number....... 546 565 568 568 THE PARAGENESIS OF VARIOUS CLASSES OF ORE DEPOSITS--THEIR VARIATION FROM AND...sequencesfor each classare given and the paragenesis of individualdepositsis discussed in some cases. The...this paper. Some of the data are taken from the literature but most are the result of the writer's studies...prejudiceshave undoubtedlyenteredthe work in many places. Many of the sequences were determinedbefore this theory was |
| | Report (issue) |
LODE MINING AND PROSPECTING ON SEWARD PENINSULA. By J. B. MERTIE, Jr. INTRODUCTION. The lodes of Seward...promise of coming importance but are as yet for the most part undeveloped. The Big Hurrah mine, in the...the Solomon district, produced gold from 1903 to 1907 but has not been operated since that time. Several...shipments of gold ore have been made from the Sliscovich mine, on Manila Creek, in the Nome district, but...but these were more in the nature of samples for mill tests than commercial shipments. Except on these two |
| | Report (issue) |
Geology, 20 Professional Paper No. 1 DEPARTMENT OF- THE INTERIOR UNITED STATES GEOLOGICAL SURVEY CHARLES...KETCHIKAN MINING DISTRICT, ALASKA WITH AN INTRODUCTORY SKETCH OF THE GEOLOGY OF SOUTHEASTERN ALASKA BY ALFRED...Geology, 20 Professional Paper No. 1 DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY CHARLES...KETCHIKAN MINING DISTRICT, ALASKA WITH AN INTRODUCTORY SKETCH OF THE GEOLOGY OF SOUTHEASTERN ALASKA BY ALFRED...48 48 4 Introduction 4 Sketch of the geology of southeastern Alaska Geography Bed-rock geology Introduction |
| | Report (issue) |
' bureau of mines report of investigations USING PROBABILITY MODELS AS A BASIS FOR MAKING DECISIONS DURING...William L. Meyer UNITED STATES DEPARTMENT OF THE INTERIOR BUREAU OF M1NES 1966 NO TEXT ON PAGE This page...Meyer *********** report of investigations 6778 UNITED STATES DEPARTMENT OF THE INTERIOR Stewart L. Udall...Udall, Secretary BUREAU OF MINES Walter R. Hibbard, Jr., Director This publication has been cataloged... S. Dept. of the Inte rior, Bureau of Mines [1966] 83 P- illus., tables. (U. S. Bureau of Mines. Report |
| | Report (issue) |
STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY SUMMARIES OF DATA ON AND LISTS OF REFERENCES TO METALLIC...MINERAL OCCURRENCES IN THE LIVENGOOD QUADRANGLE, ALASKA SUPPLEMENT TO OPEN-FILE REPORT 76-819 PART A SUMMARIES...occurrences in the Livengood quadrangle, Alaska (Cobb, E. H., 1976, Summary of references to mineral occurrences...quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-819, 241 p.). As a result of suggestions...suggestions from users of the series of which the 1976 report is a part, this supplement is released in two parts: |
| | Catalog/List |
4. 5. 6. 7. E:. 9. 10. 11. 12. Camp Bird mine, Ouray Co., Colorado Choice rich brassy-golden 5x5...sulfide vein section. 2xl-3/4xl/2" $85.00 Idarado mine, Ouray Co., Colorado Choice golden thin polished...~n. Weight: 39 g. 2x3-3/4xl/8" $ 150.00 Caribou mine, Ouray Co., Colorado Superb rich orassy-golåen fine...211 g. 3-1/4x2··1/4xl-1/2" $ 350.00 Golden Crown mine, Hunboldt Co., Nevada Select bright golden elongated...Belcher mine, Virginia City, Nevada Thin golden 1 mmveins and masses in white quartz and minor pyrite-schist |
| | Report (issue) |
AVAILABILITY OF BOOKS AND MAPS OF THE U.S. GEOLOGICAL SURVEY Instructions on ordering publications of the U... along with prices of the last offerings, are given in the current-year issues of the monthly catalog...catalog "New Publications of the U.S. Geological Survey." Prices of available U.S. Geological Survey publications...Availability List" are no longer available. Prices of reports released to the open files are given in the...National Technical Information Service, U.S. Department of Commerce, Springfield, VA 22161; please include NTIS |