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Mascot-Jefferson City District

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Journal Article
Journal: Economic Geology
Published: 01 August 1971
Economic Geology (1971) 66 (5): 757-763.
...J. E. McCormick; L. L. Evans; R. A. Palmer; F. D. Rasnick Abstract Alteration and solution of lime-stone along early faults and joints within the Kingsport Formation in the Mascot-Jefferson City district formed structures that were later mineralized by zinc-bearing solutions. The degree...
Series: Society of Economic Geologists
Published: 01 January 1995
EISBN: 9781934969755
Series: Society of Economic Geologists
Published: 01 January 1995
EISBN: 9781934969755
... Abstract The Young Mine, of which the Beaver Creek Mine is a part, is located in Jefferson Co., TN on U.S. Highway 11-E between Strawberry Plains and Jefferson City. It is the largest of ASARCO’s mining operations in the East Tennessee Division. Located in the center of the MascotJefferson...
Journal Article
Journal: Economic Geology
Published: 01 July 1979
Economic Geology (1979) 74 (4): 908-918.
...M. L. Ebers; O. C. Kopp Abstract Cathodoluminescent growth zones were observed in gangue dolomite associated with sphalerite mineralization in the Mascot-Jefferson City district. A total of six major zones were recognized which luminesce from very bright to very dark red. A nearly perfect...
Journal Article
Journal: Economic Geology
Published: 01 February 1994
Economic Geology (1994) 89 (1): 51-66.
...Frederick M. Haynes; Stephen E. Kesler Abstract This study was undertaken to assess the relation of Mississippi Valley-type mineralization to wall-rock alteration and brecciation in the Mascot-Jefferson City district, the largest part of the East Tennessee Mississippi Valley-type ore field...
Journal Article
Journal: Economic Geology
Published: 01 April 1994
Economic Geology (1994) 89 (2): 307-321.
... that from Copper Ridge plots in both clusters. Fluorite from Sweetwater falls on a long array in 207 Pb/ 204 Pb- 206 Pb/ 204 Pb space that has a two-stage age of 1.55 to 1.9 Ga for t 2 = 360 Ma, the previously published 87 Sr/ 86 Sr isochron age obtained for the Mascot-Jefferson City district. Barite...
Journal Article
Journal: Economic Geology
Published: 01 August 1971
Economic Geology (1971) 66 (5): 805-810.
... classified. With the exception of the Austinville-type deposits, which will not be considered herein, the subject deposits are related to a Lower Ordovician paleoaquifer. The classic examples are Friedensville, Pennsylvania; Timberville (Shenandoah Valley), Virginia; Mascot-Jefferson City district, Tennessee...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1992
DOI: 10.5382/GB.14.Ch7
EISBN: 9781934969670
... the area northeast and southeast of the Mascot-Jefferson City district, concentrating on the post-Knox unconformity and its solution features. Stop 5, just south of Dandridge along Douglas Lake, provides a look at a quartz sand-filled depression in the erosion surface. At Stop 6, west of Dandridge...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1992
DOI: 10.5382/GB.14.Ch3
EISBN: 9781934969670
... Abstract The Mascot-Jefferson City zinc district is the most important of the carbonate-hosted, Mississippi Valley-type (MVT) Zn ± Pb districts in eastern Tennessee, all of which are located in the Appalachian Valley and Ridge physiographic province (Fig. 3). Another producing zinc district...
Journal Article
Journal: Economic Geology
Published: 01 August 1985
Economic Geology (1985) 80 (5): 1440-1442.
Journal Article
Journal: Economic Geology
Published: 01 August 1985
Economic Geology (1985) 80 (5): 1442-1443.
Journal Article
Journal: Economic Geology
Published: 01 November 1983
Economic Geology (1983) 78 (7): 1425-1439.
Series: Society of Economic Geologists
Published: 01 January 1995
EISBN: 9781934969755
... the center of the Mascot-Jefferson City zinc district, is the largest of the operating mines. The ore occurs mainly in collapse breccias which will be observed during an underground tour led by ASARCO staff. Access may possibly be by way of the Beaver Creek shaft. The afternoon portion of this trip...
Journal Article
Journal: GSA Bulletin
Published: 01 August 1988
GSA Bulletin (1988) 100 (8): 1300-1307.
...STEPHEN E. KESLER; LOIS M. JONES; JOAQUIN RUIZ Abstract Strontium isotopic ratios of wall-rock, ore, and gangue minerals from the Mascot-Jefferson City, Copper Ridge, and Sweetwater Mississippi Valley-type (MVT) districts and from the Lost Creek barite deposit in East Tennessee were measured...
Journal Article
Journal: Economic Geology
Published: 01 August 1971
Economic Geology (1971) 66 (5): 763-769.
...R. E. Fulweiler; S. E. McDougal Abstract The major ore structures of most of the Mascot-Jefferson City and Copper Ridge zinc districts of Tennessee are large breccia masses that cut vertically through as much as 200 feet of strata and extend as much as several thousand feet along the trend...
Journal Article
Journal: Economic Geology
Published: 01 February 1987
Economic Geology (1987) 82 (1): 53-71.
... decrepitates, are expressed in cation and anion weight ratios and carry errors of + or - 10 percent.Application of this technique to fluid inclusions in sphalerite and dolomite from the Mascot-Jefferson City zinc district of East Tennessee and the Pine Point lead-zinc district of the Northwest Territories...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1992
DOI: 10.5382/GB.14
EISBN: 9781934969670
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1992
DOI: 10.5382/GB.14.Ch1
EISBN: 9781934969670
... mine in what is now known as the Mascot-Jefferson City Zinc District. In these early years, only the oxidized ore was removed, and mining stopped when the sulfide ore zone was reached because a method to treat “hard ore”, as it was called, had not yet been developed. Mining continued at the Mossy...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1992
DOI: 10.5382/GB.14.Ch2
EISBN: 9781934969670
... mine in what is now known as the Mascot-Jefferson City Zinc District. In these early years, only the oxidized ore was removed, and mining stopped when the sulfide ore zone was reached because a method to treat “hard ore”, as it was called, had not yet been developed. Mining continued at the Mossy...
Journal Article
Journal: Economic Geology
Published: 01 August 1971
Economic Geology (1971) 66 (5): 792-798.
... Ordovician sediments.These findings are in general accord with those of recent workers in the Mascot-Jefferson City and Copper Ridge districts who have proposed that mineralization in these areas occurred during the time interval of pre-Middle Ordovician erosion. The long-held theory which associates...