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GeoSep Services

Mineral Separations
apatite, zircon, titanite, biotite, etc.
Geo/Thermochronology
apatite & zircon fission track-UPb
Stable isotope lab at Duke (DEVIL) analyzing for 13C, 15N,
18O, 2H in plants, animal tissues, soils, carbonates, zircon UPb (crystallization, detrital)
phosphates, waters, carbon dioxide, methane
LAB WEBSITE: http://nicholas.duke.edu/devil geoseps.com Principal Mgr: Paul O’Sullivan, PhD
Jon Karr | jkarr@duke.edu | 919-660-7418 Moscow, Idaho USA Visit us at GSA2019, Booth 135

Recent, Rare, and

Out-of-Print Books
Geoscience Books (now including Pegmatites)
Paleontology, Fossils, Minerals, Specific Mining
Locations, Ore Deposits, USGS & USBM Publications
http://www.booksgeology.com
WE PURCHASE BOOKS, SPECIMENS, AND ENTIRE COLLECTIONS
MS Book and Mineral Company
MSBOOKS@BOOKSGEOLOGY.COM
P.O. Box 6774, Lake Charles, LA 70606-6774 USA

RIVER PROCESS GEOMODELS
Hands-on tools for science education and research

Visit
emriver.com
to learn more

62 GSA Today | September 2019