1-20 OF 257 RESULTS FOR

Kennecott copper deposits

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: Economic Geology Monograph Series
Published: 01 January 1997
DOI: 10.5382/Mono.09.04
EISBN: 9781629490045
... Abstract Kennecott-type deposits, among the highest grade copper deposits in the world, are located in the Wrangell Mountains of Alaska. They are strata bound within the lowermost 100 m of the Upper Triassic Chitistone Limestone, which overlies the Triassic Nikolai Greenstone, a sequence...
Journal Article
Journal: Economic Geology
Published: 01 May 1932
Economic Geology (1932) 27 (3): 297–306.
Image
Simplified terrane map of southern Alaska (after  Silberling et al. 1994 )....
Published: 01 August 2017
Mineral Resources Data System (MRDS) ( http://mrdata.usgs.gov/ ). Porphyry occurrences are from Goldfarb et al. (2013) and the MRDS, and the Kennecott copper deposit (estimated age 155–110 Ma) is from MacKevett et al. 1997 ). Note that earliest Cretaceous magmatism in Tosina-St. Elias belt
Journal Article
Journal: Economic Geology
Published: 01 May 2014
Economic Geology (2014) 109 (3): 581–620.
... Corporation recovered some 1.18 billion pounds (Blbs) of copper and around 9 million ounces (Moz) of silver from these deposits. The host rocks for the Kennecott deposits are part of the type section Wrangellia terrane. Ore was hosted in the Triassic (Carnian) Chitistone Limestone, most of it located 20 to 40...
FIGURES | View All (24)
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1998
DOI: 10.5382/GB.29
EISBN: 9781934969823
... aureole of the Tertiary Bingham stock, have been mined intermittently since 1896. In the late 1960s, two large deposits were discovered at depth on the north side of the district by The Anaconda Company and Kennecott Copper Corporation: the Carr Fork mine, operated by Anaconda from 1979 to 1981...
Journal Article
Journal: Economic Geology
Published: 01 August 1978
Economic Geology (1978) 73 (5): 796–809.
...H. L. Davies; W. J. S. Howell; R. S. H. Fardon; R. J. Carter; E. D. Bumstead Abstract The Ok Tedi porphyry copper-gold deposit in western Papua New Guinea was discovered and tested by a subsidiary of Kennecott Copper Corporation in 1968-1971. Exploration lapsed in 1972-1975 while Kennecott...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1995
DOI: 10.5382/GB.24
EISBN: 9781934969779
... Abstract Renewed gold exploration in the Carolina slate belt of North and South Carolina that led to the discovery of the Ridgeway gold mine (#5 on Figure 1) by Amselco (now Kennecott) began at about the same time as the last Geological Society of America field trip to focus on southeastern...
Image
F IG . 3. Geologic map of the Melco and Barneys Canyon gold <span class="search-highlight">deposits</span>, Utah,...
Published: 01 June 2004
F IG . 3. Geologic map of the Melco and Barneys Canyon gold deposits, Utah, and location of samples along the Melco traverse. Source, files of Kennecott Utah Copper, Bingham Canyon, Utah.
Series: Reviews in Economic Geology
Published: 01 January 1997
DOI: 10.5382/Rev.08.12
EISBN: 9781629490151
... for Triassic massive sulfides similar to the Kennecott deposit in Alaska. Sporadic exploration activity occurred from 1958 to 1980 and led to the conclusion that the property was too remote to be economic. In late 1983, Falconbridge conveyed title to the property to Geddes Resources, which conducted all...
Image
Detailed geology map of the <span class="search-highlight">Copper</span> Cliff <span class="search-highlight">deposit</span> (modified from  Lonn, 2007...
Published: 01 September 2018
Fig. 1. Detailed geology map of the Copper Cliff deposit (modified from Lonn, 2007 ; Fairbanks, 2009 ). Points represent the location of Kennecott Exploration drill holes, and the solid line represents the geology cross section in Figure 2 . Coordinate system WGS 1984 UTM Zone 12N. Inset shows
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1998
DOI: 10.5382/GB.29
EISBN: 9781934969823
... to this junction may be followed on the Day Two Road Log for the Bingham Canyon field trip. The route heads southwest toward Copperton, northwest on a private road toward the Kennecott Utah Copper concentrator, and then continues northwest to the Barneys Canyon and Melco gold mines. 0.0 Begin at the junction...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1988
DOI: 10.5382/GB.02
EISBN: 9781934969557
... Smelting and Refining Company (now ASARCO Incorporated), Guggenheim Brothers (discoverer of Chuquicamata, El Salvador, and other important deposits), and the Kennecott Copper Corporation. ...
Journal Article
Journal: Economic Geology
Published: 01 March 2017
Economic Geology (2017) 112 (2): 467–469.
...–1917) resulted in exploration for more than gold, and many base metal deposits were found–including the famous Kennecott copper deposits. Today, Alaska is a national leader within the United States in the production of zinc, lead, silver, and gold. Alaska’s geologic framework necessarily emphasizes...
Journal Article
Journal: Economic Geology
Published: 01 September 2022
Economic Geology (2022) 117 (6): 1367–1385.
.... However, Rio Tinto’s Kennecott smelter and refinery is the only operation in the United States that processes copper concentrates from a single mineral deposit: Bingham Canyon. In comparison, the ASARCO and Freeport-McMoRan electrolytic refineries source copper concentrates from multiple porphyry copper...
FIGURES | View All (5)
Journal Article
Journal: Economic Geology
Published: 01 September 2013
Economic Geology (2013) 108 (6): 1518.
... Creek gold mine in New South Wales, and with mineral sands and bentonite deposits. The Mount Morgan gold-copper mine near Rockhampton is now closed, but in its day it was the richest and most profitable gold mine in Australia. The Browns Creek mine in central New South Wales, a historic mine in a skarn...
Journal Article
Journal: Geophysics
Published: 28 October 2005
Geophysics (2005) 70 (6): B61–B66.
... copper deposits, and is exploited by resistivity surveys to detect IP targets. Standard field techniques for mapping IP rely on the use of grounded electrodes, most commonly in the dipole-dipole or pole-dipole configuration. After current is introduced into the ground through two current electrodes...
FIGURES | View All (8)
Journal Article
Journal: Economic Geology
Published: 01 December 2021
Economic Geology (2021) 116 (8): 2017–2024.
... mineral deposits genesis. He has published on volcanogenic massive sulfide, Mississippi Valley-type, Sedex, stratiform copper, porphyry copper, and both unconformity-type and intrusion-related uranium deposits. Two of his publications are summary papers on fluid flow and ore deposits genesis presented...
FIGURES | View All (5)
Journal Article
Journal: SEG Discovery
Published: 01 April 1997
SEG Discovery (1997) (29): 1–48.
... became a very important partner with exploration. of exploration projects. What about the mining and exploration culture of the 1950s and 1960s? Prior to the early 1950s, exploration for porphyry copper Kennecott assembled a core of managers, each with a track deposits was accomplished by well-trained...
Journal Article
Journal: Economic Geology
Published: 01 September 2018
Economic Geology (2018) 113 (6): 1269–1295.
...Fig. 1. Detailed geology map of the Copper Cliff deposit (modified from Lonn, 2007 ; Fairbanks, 2009 ). Points represent the location of Kennecott Exploration drill holes, and the solid line represents the geology cross section in Figure 2 . Coordinate system WGS 1984 UTM Zone 12N. Inset shows...
FIGURES | View All (21)
Journal Article
Journal: GSA Bulletin
Published: 01 September 1961
GSA Bulletin (1961) 72 (9): 1361–1381.
..., in increasing order of abundance, are chalcopyrite, chalcocite, bornite, and native copper, and minor pyrite. Bornite, chalcopyrite, and pyrite are commonly associated with diabase sills, chalcocite and native copper with the flows. No copper deposits of economic importance have been found. The association...