Geological Survey Bulletin, Issue 1278U.S. Department of the Interior, Geological Survey, 1968 - Geology |
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500 feet EXPLANATION alteration intensity analysis only Anomalous anomalous copper content Anomalous values Ariz Arizona arvense background and threshold Background values biogeochemical bismuth blue paloverde catclaw acacia Clear Creek County colluvium concentrations content in rock CONTOUR INTERVAL 50 copper anomaly correlation creosotebush detected distribution of zinc distributions of copper Empire district enriched Equisetum fluorine foothill paloverde geochemical geochemical exploration geochemical maps GEOCHEMICAL PROSPECTING granite horsetail INTERVAL 50 FEET ironwood kaolinite KILOMETRE KILOMETRE CONTOUR INTERVAL leaves and stems lithium manganese mesquite Mineral Butte area molybdenum mull ash North Empire Outline of anomalous outline of Vekol Pinal County placer area plant species porphyry copper deposit Precambrian quartz monzonite residual soil rock and soil rock samples sample types samples collected smectites soil fraction soil samples soil-pH values stem analyses stem ash stream channels tellurium threshold values tungsten U.S. Geol U.S. Geological Survey Vekol deposit Vekol Mountains zinc anomalies
Popular passages
Page C-6 - WW, and McCarthy, JH, Jr., 1964, An instrumental technique for the determination of submicrogram concentrations of mercury in soils, rocks, and gas, in Geological Survey research 1964: US Geol.
Page A-20 - McMurtrey, JE, Jr., and Robinson, WO 1938 Neglected soil constituents that affect plant and animal development.
Page B-16 - J. 1967. Trace elements in trees and shrubs growing on different rocks in Finland. — In: Geochemical Prospecting in Fennoscandia.
Page D-52 - An evaluation of some geochemical sampling in the search for concealed "porphyry" copper-molybdenum deposits on pediments in Southern Arizona, USA, in Geochemical Exploration (Boyle, tech.
Page E-28 - Igneous rock types and host rocks associated with porphyry copper deposits, p. 35-40 in Titley, SR, and Hicks, CL, eds., Geology of the porphyry copper deposits, southwestern North America: Tucson, Ariz., Arizona Univ.
Page D-52 - Huff, LC (1970). A geochemical study of alluvium-covered copper deposits in Pima County, Arizona. US Geol. Survey Bull. 1312-C, 31 pp.
Page E-28 - Huff, LC, 1970, A geochemical study of alluvium-covered copper deposits in Pima County, Arizona, with a section on Analytical methods, by AP Marranzino and H. M.
Page D-52 - Harald, 1975, Geologic map and sections of the Happy Valley quadrangle, Cochise County, Arizona: US Geol. Survey Map 1-832.
Page A-21 - Robinson, WO, and Edgington, Glen, 1942: Boron content of hickory and some other trees, Soil Science 53: 309-312. ,,14. Robinson, WO, and Edgington, Glen, 1945: Minor elements in plants and some accumulator plants, Soil Science 60: 15-28. 15. Singewald, JT, Jr., 1928: The chrome industry in Maryland, Md. Geol. Survey 12: 158191, illus. 16. Vogt, Thorolf, Braadlie, D., and Bergh, H., 1943: Geokjemisk og geobotanisk malmleting. IX. Bestemmelse Cu, Zn, Pb, Mn og Fe, i planter fra R0rosfeltet...
Page E-28 - Ward, FN, ed., New and refined methods of trace analysis useful in geochemical exploration: US Geol. Survey Bull. 1408, p.