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Title: Rare Earth Elements In The Cason Shale Of Northern Arkansas: A Geochemical Reconnaissance
Series Num: IC 33
Author: Andrew E. Grosz, Allen L. Meier, Benjamin F. Clardy, J. Michael Howard
Price: $5.00
Year Published: 1995
Description: This report presents rare earth element analyses of two sets of samples collected from the Lower Silurian-Upper Ordovician Cason Shale of Independence and Izard Counties in north Arkansas. It includes: •Location map of the sample sites •Table of location coordinates, thicknesses samples, and sample descriptions •Table of spectrographic data of 1969 samples •Table of inductively coupled mass spectrometry (ICP-MS) data for 1987 samples •Table of lanthanide content of average crustal shale, average marine phosphorite, and average Cason phosphorite •Table of lanthanides in the average crustal shale, average marine phosphorite, average Cason phosphorite, and in samples collected in 1987 •Graph comparing the lanthanide content of the average crustal shale, average marine phosphorite, and average Cason phosphorite sample •Graph comparing the lanthanide content of some phosphorites to the average Cason phosphorite •Table comparing lanthanide content and composition in some phosphorites elsewhere in the world and the average Cason phosphorite , 18 pages, 3 figures
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