 | Dusel-Bacon, Cynthia, Bressler, Jason R., Takaoka, Hidetoshi, Mortensen, James K., Oliver, Douglas H., Leventhal, Joel S., Newberry, Rainer J., Bundtzen, Thomas K. (1998) Stratiform zinc-lead mineralization in Nasina assemblage rocks of the Yukon-Tanana Upland in east-central Alaska. Open-File Report Vol. 1998 (98-340) US Geological Survey doi:10.3133/ofr98340 | Report (issue) | | rocks of the Yukon-Tanana Upland in east-central Alaska by Cynthia Dusel-Bacon (U.S. Geological Survey...Bressler (WGM, Inc., Anchorage, Alaska), Hidetoshi Takaoka (Sumitomo Metal Mining Company, Vancouver, B.C.)...), Rainer J. Newberry (University of Alaska, Fairbanks, Alaska), and Thomas K. Bundtzen (Pacific Rim...Rim Geological Consulting, Fairbanks, Alaska) Open-File Report 98-340 This report is preliminary and has...rocks of the Yukon-Tanana Upland in east-central Alaska: U.S. Geological Survey Open-File Report 98-340 |  | | Report (volume) | | OTIS SMITH, Director Bulletin 687 THE KANTISHNA REGION ALASKA BY STEPHEN R. CAPPS )L.TL:iCA L 120926...features Nenana River. Kantishna basin Relief Tanana lowland Foothills Alaska Range. Climate " Vegetation...Economic geology 75 History of mining 76 Gold placers • 76 General features 77 Mining condition• Origin of gold...Total production of placer gold 94 Future of placer mining 95 Lode deposits 95 General features 95 Gold lode.... 99 Humbolt prospect ......... : ................................... Skookona prospect ............ |  | | Report (issue) | | MINERAL RESOURCES OF THE KANTISHNA REGION. By STEPHEN R. CAPPS. INTRODUCTION. The region discussed in...north side of the Alaska Range and includes portions of the basins of Nenana and Kantishna rivers. (See PI...relation of this area to surrounding portions of Alaska. The discovery of gold in the Canadian Klondike...United States Geological Survey parties reached the Alaska Range. One of these parties, conducted by George...ascended to the head of Skwentna River, crossed the Alaska Range, and descended the Kuskokwim. Thus some of |  | | Report (issue) | | isotope data base for sulfide occurrences from Alaska, December, 1989 by J.D. Gaccetta1 and S.E. Church2...of Alaska used in this report.............. 2 Figure 2. Mining regions and districts of Alaska......isotope data from sulfide occurrences from northern Alaska..................................... 8 Table...data from sulfide occurrences from west-central Alaska................................. 14 Table 3. ...data from sulfide occurrences from east-central Alaska................................. 20 Table 4. |  | | Report (issue) | | CLARK, Mining Geologist California Division of Mines and Geology and PHILIP A. LYDON, Mining Geologist...location of Calaveras County Map of the Angels Camp district showing geology and lode mines Sketch map of the...._ West Point-Railroad Flat-Glencoe of the district, — of the Carson Hill Figure 7. Cross section...49 Hill (New Champion) mine and of the 42 Mining Corporation. ___ Hill mill 50 _ 57 57 61 ...since disappeared. Important industries besides mining include lumbering, agriculture, and vacation and |  | | Journal (volume) | | Logan, District Mining Engineer McK. Laizure, District W. Burling Tucker, Reid J. Mining Engineer...Engineer District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averill, District Mining...Statistician and Curator Herbert A. Franke, Junior Mining Engineer (Librarian) — Sacramento San Francisco...REPORTS OF DISTRICT MINING ENGINEERS 7 Redding Field District 7 Sacramento Field District 7 Gold...County 7 San Francisco Field District 07 Los Angeles Field District 97 GEOLOGIC BRANCH 98 Current |  | | Book | | P. Blake, professor of mineralogy, geology and mining at the College of California, parent to the University...California, and published in the fourth and sixth State Mining Bureau reports. Then beginning in 1914 with a volume...California in 1775-1778 in placers of the Potholes District of Imperial County, near the Colorado River about...Francisquito Canyon, in 183 5; and in the Piru District, Ventura County, in the early 1840s. Then in 1848...richest lode deposits were found in the Grass Valley District. 8 NATIVE ELEMENTS 120 • ~ -----.. \ ' | | | Book | | P. Blake, professor of mineralogy, geology and mining the at College of California, parent to the...mineralogist of California, and pub- and sixth State Mining Bureau reports. Then beginning volume prepared...in 1775-1778 in placers of the Potholes first District of Imperial Yuma, Diego County, County, near...Then in on the western 1835; and in the Piru District, Ventura County, in the early 1840s. 1848 the... lode deposits were found in the Grass Valley District. 8 five of gold (Map 2-1). NATIVE ELEMENTS |
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