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    Ashton, WA,1994 (P623), magnetic line data, AWAGS levelledTotal magnetic intensity (TMI) data measures variations in the intensity of the Earth's magnetic field caused by the contrasting content of rock-forming minerals in the Earth...
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    Ashton uranium concentration gridThe radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive...
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    Ashton potassium gridThe radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive...
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    Ashton thorium gridThe radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive...
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    Ashton, WA,1994 (P623), radiometric line data, AWAGS levelledThe radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive...
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    Ashton total dose gridThe radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive...
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    Ashton elevation gridDigital Elevation data record the terrain height variations from the processed point- or line-located data recorded during a geophysical survey. This Ashton elevation grid is...
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    Ashton magnetic gridTotal magnetic intensity (TMI) data measures variations in the intensity of the Earth's magnetic field caused by the contrasting content of rock-forming minerals in the Earth...
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    Ashton, WA,1994 (P623), elevation line dataThe Digital Elevation Model represents ground surface topography between points of known elevation. The elevation data was calculated using the altimeters and Global Positioning...
            
            
              
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