QUALITATIVE RARE EARTH ELEMENT ANALYSIS OF OHIO UNDERCLAYS USING PORTABLE X-RAY FLUORESCENCE
HULETT, Samuel1, FUGITT, Franklin2 and WRIGHT, Christopher1, (1)Ohio Department of Natural Resources, Division of Geological Survey, 2045 Morse Road, Bldg. C-2, Columbus, OH 43229, (2)Ohio Department of Natural Resources, Division of Geological Survey, 2045 Morse Rd., Columbus, OH 43224