Please note the reduced rate for K-12 educators for the Sunday pre-meeting field trip Sedimentary Environments and Dinosaur Tracks, Woodbine Formation, Lake Grapevine (Dallas).

Continuing Education Credit (CEU)

CEUs can be accrued from participation in organized education experiences. One CEU equals 10 contact hours and applies to meeting field trips and/or short courses. There's no charge for a certificate; please contact Beth Engle, for more information.



Southern U.S. Alkalic Igneous Rocks
Monday 16 March 2009
10:30 a.m., following the Trans-Pecos technical session
University of Texas - Dallas Conference Center Room 1.120

Each 10-minute presentation will be followed by 5 minutes of discussion. Genet Duke and Elizabeth Anthony presiding.
10:30 a.m. Introductory remarks.
STERN, Bob (University of Texas-Dallas)
10:40 a.m. Tectonics of the highly alkaline rocks and carbonatites of Texas and Arkansas.
BURKE, Kevin and KHAN, Shuhab (University of Houston)
10:55 a.m. Mid-continent carbonatite-kimberlite linear trend: slab-edge focus as alternative to hot-spot track.
DUKE, Genet Ide (Louisiana State University – Alexandria)
11:10 a.m. Extension? or subduction? related magmatism in SE Trans-Pecos, Texas, during the mid-Tertiary.
MIGGINS, Dan (University of Texas – El Paso)
11:25 a.m. Nepheline syenite in two puzzling tectonic settings: the Trans-Pecos magmatic province and the forearc of the Oregon Cascades.
PARKER, Don (Baylor University)
11:40 a.m. Characteristics of three meimichite-picrite-foidite xenoliths from two Louisiana salt domes.
REN, Minghua (University of Texas – El Paso), ANTHONY, Y. Elizabeth, STERN, Robert, GRIFFIN, Randy, NORTON, Ian, and LOCK, Brian
11:55 a.m. Geochemistry and geochronology of the Balcones igneous province: A summary of my findings.
GRIFFIN, Randy (University of Texas – Dallas)
12:10 p.m. Characteristics of upper mantle xenoliths hosted by Late Cretaceous nephelinites.
RAYE, Urmidola (University of Texas – Dallas)


The Guest program for the South-Central meeting has been cancelled due to a lack of registrants.


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