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	1.	No cover image available Origin and tectonic setting of Ordovician bentonites in North America : isotopic and age constraints by Samson, Scott Patchett, Jonathan Roddick, Chris Parrish, Randall Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 101(9), 1989, p. 1175-1181: : ill., carte, graph., tab., rés.(Angl) Availability: No items available.
	2.	No cover image available U-Pb and Rb-Sr geochronology of the Western Ethiopian Shield by Ayalew, Teklewold Bell, Keith Moore, John Parrish, Randall Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 102(9), 1990, p. 1309-1316: : carte, graph., tab., rés.(Angl) Availability: No items available.
	3.	No cover image available Isotopic constraints on the age and provenance of the Lesser and Greater Himalayan sequences, Nepalese Himalaya by Parrish, Randall Hodges, K. V Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 108(7), 1996, p. 904-911: : ill., carte, tab., rés.(Angl) Availability: No items available.

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