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Mineral and energy resource assessment maps of the Mount Katmai, Naknek, and western Afognak quadrangles, Alaska
S. E. Church, J.R. Riehle, L. B. Magoon, D. L. Campbell
1992, Miscellaneous Field Studies Map 2021-F
On the basis of new geologic mapping and exploration geochemical studies, we have provided a mineral and energy resource assessment of the Mount Katmai, Naknek, and western Afognak quadrangles, Alaska. We delineate four tracts of ground that have metallic mineral resources. The mineral deposit types considered in each tract are...
Metallogenic map of volcanogenic massive sulfide occurrences in Wyoming
R. S. Houston, W.D. Hausel, R.D. Woodfill, P. J. Graff
1992, Miscellaneous Field Studies Map 1853-F
Volcanogenic massive sulfide occurrences of Late Archean age and Early Proterozoic age occur in metavolcanic and associated metasedimentary rocks in southeastern, eastern, and central Wyoming. Vein deposits in Archean volcanic terrane have accounted for a large part of the gold production in the State (Miners Delight, locality 8). Past production...
Cross sections of Lower Ordovician carbonate depositional lithofacies and Mississippi Valley-type zinc-and iron-sulfide mineralization in the Caufield district, east-central part of Harrison 1 degree by 2 degrees Quadrangle, Arkansas and Missouri
Timothy S. Hayes, James R. Palmer, Gary Krizanich
1992, Miscellaneous Field Studies Map 1994-C
As part of the Harrison 1° X 2° CUSMAP study, we examined eight drill cores from the Caulfield district (see index map) in south-central Missouri. This report presents the results of the core study and cross sections and correlation diagrams compiled from the core data (cross sections A-A' and B-B' and...
A geochemical investigation of selected areas in Greenville and Laurens Counties, South Carolina: Implications for mineral resources
John C. Jackson
1992, Miscellaneous Field Studies Map 2205
The purpose of this study is to geochemically evaluate three areas within the Greenville 1° x 2° quadrangle (see index map) that have been shown by previous studies to contain anomalously high amounts of tin. Jackson and Moore (1992) reported the presence of cassiterite (SnO2)-bearing heavy-mineral concentrates from stream sediment...
Map, tables, and summary of fossil and isotopic age data, Mount Hayes Quadrangle, eastern Alaska range, Alaska
Warren J. Nokleberg, John N. Aleinikoff, J. Thomas Dutro Jr., Marvin A. Lanphere, Norman J. Silberling, Steven R. Silva, Thomas E. Smith, Donald L. Turner
1992, Miscellaneous Field Studies Map 1996-D
This report describes, summarizes, and interprets all known bedrock fossil and isotopic age studies for the Mount Hayes quadrangle, eastern Alaska Range, Alaska. The accompanying map shows the location of all known bedrock fossil and isotopic sample localities in the quadrangle on a generalized geologic base map. These fossil and...