placer gold occurrences in alaska

OF 81-1326 - Placer gold occurrences in Alaska

State of Alaska Alaska / Natural Resources DNR / Geological Geophysical Surveys DGGS / Publications Pubs / OF 81-1326 OF 81-1326 USGS OF 81-1326 Placer gold occurrences in Alaska

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MR 38 - Placer gold occurrences in Alaska

Placer gold occurrences in Alaska. Authors: Cobb, E.H. Publication Date: 1964; Publisher: U.S. Geological Survey ; Ordering Info: This publication is out of print.

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Placer gold occurrences in Alaska [microform] in ...

Placer gold occurrences in Alaska [microform] Responsibility compiled by Edward H. Cobb. Imprint [Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey, 1981. ... Gold ores > Alaska > Bibliography. Bibliographic information. Publication date 1981 Series Open-file report ; 81-1326 Note

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DEPARTMENT OF THE INTERIOR UNITED PLACER GOLD

2006-5-1  PLACER GOLD OCCURRENCES IN ALASKA Cornpi 1 ed by Edward H. Cobb Open-Fil e Report 81-1326 1981 This report is preliminary and has not been reviewed for conformity with IJ .S. Geological Survey editorial standards. REFERENCE LIST The following references give data, as of January 1, 1981, on localities where placer gold has been found and are ...

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Map showing occurrences of placer gold in Alaska in ...

Placer gold, Alaska Map data Scale 1:2,500,000 (E 174⁰--W 114⁰/N 70⁰--N 54⁰). Series Mineral investigations resource map ; MR-83 Note Relief shown by hachures and spot heights. Title on envelope: Placer gold, Alaska. "Base from U.S. Geological Survey Alaska

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Newly Located Occurrences of Lode Gold ... -

2007-3-6  placer gold in the Circle district and Faith Creek area. Brief studies were made of the field relations, trace-element geochemistry, mineralogy, and fluid inclusions of the occurrences. Most of the gold- bearing samples are clustered in two areas. The highest concentrations of gold

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Mike Higbee's Prospectors Cache - Alaska Gold Sites ...

2014-4-7  Also MR-38 Placer Gold Occurrences in Alaska. Many large areas are withdrawn from mineral entry, so be sure to check before mining. Northwestern Alaska Region This large, mostly unpopulated region lies North of the Yukon River Drainage basin and the Seward Peninsula and includes the drainage systems of the Kobuk, Noatak and Alatna rivers, where ...

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National mineral assessment tract AK-SC25 (Placer Au)

Eleven placer districts in the region have produced substantial placer gold (Cobb, 1964; MacKevett and others, 1978). The most important of these is the Valdez Creek District, which has produced nearly 1/2 million ounces of gold (Bundtzen and others, 1994).

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MINERAL OCCURRENCES IN THE CHUGACH NATIONAL

2019-4-9  Forest area, Alaska..... 2. Inferred placer gold reserve base at major drainages, ... Bureau investigated mines, prospects, and mineral occurrences. Gold, copper,. coal, oil, building stone, sand and gravel, and a minor amount of ... Placer gold appears to have been the first mineral commodity explored for in the area. In the late 1840's, the ...

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Ship Creek (ARDF #SR189) Au

The placer gold occurs in pooly stratified and washed alluvium in the stream channel and in local bench deposits that consist of clay-rich, cemented glacial or fluvial-glacial gravel. The gravel contains abundant slate cobbles (Jansons and others, 1984). The clay-rich gravels contained relatively coarse (0.187-inch) gold at one sample site.

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Placer gold occurrences in Alaska [microform] in ...

Placer gold occurrences in Alaska [microform] Responsibility compiled by Edward H. Cobb. Imprint [Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey, 1981. ... Gold ores > Alaska > Bibliography. Bibliographic information. Publication date 1981 Series Open-file report ; 81-1326 Note

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Map showing occurrences of placer gold in Alaska in ...

Placer gold, Alaska Map data Scale 1:2,500,000 (E 174⁰--W 114⁰/N 70⁰--N 54⁰). Series Mineral investigations resource map ; MR-83 Note Relief shown by hachures and spot heights. Title on envelope: Placer gold, Alaska. "Base from U.S. Geological Survey Alaska

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Mineral Deposits of Alaska GeoScienceWorld Books ...

1997-1-1  The first major hard-rock gold mining began at the Alaska-Juneau, Perseverance, and Treadwell mines near present-day Juneau following the discovery of placer gold near tidewater in 1880. Significant placer mining operations for gold soon spread northward into districts such as Fairban ks, Nome, Iditarod, and Circle.

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Newly located Occurrences of lode Gold Near Table

2012-7-24  placer gold in the Circle district and Faith Creek area. Brief studies were made of the field relations, trace-element geochemistry, mineralogy, and fluid inclusions of the occurrences. Most of the gold­ bearing samples are clustered in two areas. The highest concentrations of gold (2.6-140 ppm) occur,

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National mineral assessment tract AK-SC25 (Placer Au)

Eleven placer districts in the region have produced substantial placer gold (Cobb, 1964; MacKevett and others, 1978). The most important of these is the Valdez Creek District, which has produced nearly 1/2 million ounces of gold (Bundtzen and others, 1994).

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MINERAL OCCURRENCES IN THE CHUGACH NATIONAL

2019-4-9  Forest area, Alaska..... 2. Inferred placer gold reserve base at major drainages, ... Bureau investigated mines, prospects, and mineral occurrences. Gold, copper,. coal, oil, building stone, sand and gravel, and a minor amount of ... Placer gold appears to have been the first mineral commodity explored for in the area. In the late 1840's, the ...

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Anchor Occurrences, McGrath Mining District, Bethel

Anchor Occurrences, McGrath Mining District, Bethel Census Area, Alaska, USA : Location: Occurrences of placer gold are present in a several-square-mile area centered on USGS benchmark Anchor (Eppinger, 1993). The map site is at an elevation of 1,500 feet on one of the ...

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Tramway Bar (ARDF #WI156) Au

The Tramway Bar mine is one of the first placer gold occurrences known in the area; it was discovered as early as 1885. The gravel that contains the gold is presumed to have been deposited by streams flowing in the Middle Fork Koyukuk River valley prior to downcutting of the Middle Fork canyon.

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Non-placer mineral occurrences in the Solomon,

2010-11-2  of non-placer occurrences of metalliferous and selected non-metalliferous minerals in the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska. Placer gold occurrences are not shown on the map; they are discussed in a separate report (Yeend and others, 1988). This report was prepared as part of the Alaska Mineral

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Preliminary Table of Placer Gold Deposits and

1999-5-13  the placer gold deposits and occurrences of the Mongolia. The deposit and occurrence data were compiled from the following sources. ... deposits and placer districts of Alaska, in Plafker, G. and Berg, H.C., eds., The Geology of Alaska: Boulder, Colorado, Geological Society of

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Map showing occurrences of placer gold in Alaska in ...

Placer gold, Alaska Map data Scale 1:2,500,000 (E 174⁰--W 114⁰/N 70⁰--N 54⁰). Series Mineral investigations resource map ; MR-83 Note Relief shown by hachures and spot heights. Title on envelope: Placer gold, Alaska. "Base from U.S. Geological Survey Alaska

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MINERAL OCCURRENCES IN THE CHUGACH NATIONAL

2019-4-9  Forest area, Alaska..... 2. Inferred placer gold reserve base at major drainages, ... Bureau investigated mines, prospects, and mineral occurrences. Gold, copper,. coal, oil, building stone, sand and gravel, and a minor amount of ... Placer gold appears to have been the first mineral commodity explored for in the area. In the late 1840's, the ...

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Anchor Occurrences, McGrath Mining District, Bethel

Anchor Occurrences, McGrath Mining District, Bethel Census Area, Alaska, USA : Location: Occurrences of placer gold are present in a several-square-mile area centered on USGS benchmark Anchor (Eppinger, 1993). The map site is at an elevation of 1,500 feet on one of the ...

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Non-placer mineral occurrences in the Solomon,

2010-11-2  of non-placer occurrences of metalliferous and selected non-metalliferous minerals in the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska. Placer gold occurrences are not shown on the map; they are discussed in a separate report (Yeend and others, 1988). This report was prepared as part of the Alaska Mineral

More

Preliminary Table of Placer Gold Deposits and

1999-5-13  the placer gold deposits and occurrences of the Mongolia. The deposit and occurrence data were compiled from the following sources. ... deposits and placer districts of Alaska, in Plafker, G. and Berg, H.C., eds., The Geology of Alaska: Boulder, Colorado, Geological Society of

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MINERAL RESOURCE POTENTIAL MAPS OF THE

2012-2-27  geochemical, and geophysical evidence for placer gold and platinum deposits, Anchorage 1 °X3 o quadrangle, southern Alaska 27 5. Areas of mineral-potential, ratings, and presence or absence of geologic, geochemical, and geophysical evidence for podiform chromite and PGE deposits, Anchorage 1 °X3 o quadrangle, southern Alaska 27 6.

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Rainbow Hill Project

2014-12-16  gold occurrences in the Tintina Gold belt of Interior Alaska (δ18O = 11.6 to +17.8o/ oo). Hydrogen isotopes taken from micas from the Valdez Creek district returned δD values ranging from 53 to -AVALON DEVELOPMENT CORPORATION P.O. Box 80268, Fairbanks AK 99708 907-457-5159 Fax: 907 -455-8069 [email protected]

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Data for sample CI041 - mrdata.usgs.gov

Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Circle quadrangle, Alaska: U.S.

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Gold Run (MRDS #10003403) AU - USGS

Geologic Description = Cady and others (1955) reported that during the course of their studies they saw evidence or heard reports of placer gold prospecting along this creek. Short traverse by M. L. Miller in 1992 on ridge drained by creek confirms presence of granite porphyry dikes -- similar to those associated with gold occurrences in the ...

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placer gold scale

187 Placer Gold Deposits Pay Off . Placer gold deposits represent the most attractive targets for smallscale miners and prospectors since activities can be carried out with reasonably small costs and encouraging prospecting results can be obtained rapidly A smallscale miner has the opportunity to exploit small rich accumulations of gold which largersized mining companies might pass by due to ...

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