Aerial Radiometric and Magnetic Survey: Elko National Topographic Map, Nevada and Utah Page: iii-iv-abstract
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LIST OF ILLUSTRATIONS
1. Index Map Showing Area Surveyed
2. NTMS Indicating Flight Line Location
3. Data Flow Diagram
4. Aerospatiale Lama Helicopter
5. Functional Block Diagram
6. Typical End-of-Flight Line Dual Spectral Plot
7. Computer Presentation of Typical Map Line
8. Typical Map Line Showing Statistical Deviations
(List of Tables Cont'd.)
Statistical Summary of Radioactivity 37
Anomalies by Geologic Unit
Summary of Average and Standard Deviation AI-1
Values for the NTMS as a Function of Geologic
Test Line Results AIII-2
Average Lama I Speed and Altitude Determined AIII-3
from Data of Appendix II
Diurnal Corrections to Map Line Data
LIST OF TABLES
Geologic Unit Average Value as a Function of
Map Line for 208Tt (Counts/Second)
2. Geologic Unit Average Value as a Function of
Map Line for 21Bi (Counts/Second)
3. Geologic Unit Average Value as a Function of
Map Line for '0K (Counts/Second)
4. Geologic Unit Average Value as a Function of
Map Line for 214Bi/ 08T2 (Times 100)
5. Geologic Unit Average Value as a Function of
Map Line 214Bi/40K (Times 1000)
6. Geologic Unit Average Value as a Function of
Map Line 208T2/0K (Times 1000)
7. Geologic Units with Significant Variations
from Unimodal Distributions, Based on the
Analysis of the 208Tk Histograms
8. Summary of Anomalies
9. Radioactivity Anomalies per Geologic Map Unit
"ELKO NATIONAL TOPOGRAPHIC MAP SURVEY"
The results of analyses of the airborne gamma radiation and total
magnetic field survey flown for the region identified as the
Elko National Topographic Map NK11-12 is presented in this report. The
airborne data gathered is reduced by ground computer facilities to yield
profile plots of the basic uranium, thorium and potassium equivalent
gamma radiation intensities, ratios of these intensities, aircraft
altitude above the earth's surface, total gamma ray and earth's magnetic
field intensity, correlated as a function of geologic units. The
distribution of data within each geologic unit, for all surveyed map
lines and tie lines, has been calculated and is included. Two sets of
profiled data for each line are included, with one set displaying the
above-cited data. The second set includes only flight line magnetic
field, temperature, pressure, altitude data plus magnetic field data as
measured at a base station. A general description of the area, in-
cluding descriptions of the various geologic units and the corresponding
airborne data, is included also.
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Geodata International, inc. Aerial Radiometric and Magnetic Survey: Elko National Topographic Map, Nevada and Utah, report, September 7, 1979; Dallas, Texas. (https://digital.library.unt.edu/ark:/67531/metadc958319/m1/4/: accessed September 15, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.