Robert J. Speakman
Univ of Missouri, Columbia, MO
Activity
2008
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Geochemical Investigation of Palygorskite-Rich Units in the Central Yucatan
193 Mineralogy/Crystallography; Petrology, Experimental; Igneous; Metamorphic (Posters)Monday, 6 October 20088:00 AM - 6:00 PM
2005
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DENDROCHEMICAL ANALYSIS OF TREES AFFECTED BY THE PARÍCUTIN ERUPTION, WITH IMPLICATIONS FOR RE-ANALYZING THE SUNSET CRATER ERUPTION
T46 Dendrogeology: Geologic Applications of Tree-Ring StudiesSunday, 16 October 20051:30 PM - 3:30 PM
2002
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CHEMICAL DIFFERENTIATION OF OBSIDIAN WITHIN THE NEWBERRY VOLCANIC COMPLEX BY LASER ABLATION ICP-MS, INAA, AND XRF
T35 Obsidian Sources and the Distribution of Archaeological Sites from These SourcesSunday, 27 October 20021:00 PM - 3:45 PM