Featured Articles
Science Article:
Understanding the Great Ordovician Biodiversification Event (GOBE): Influences of paleogeography, paleoclimate, or paleoecology?
4
Groundwork:
Recruiting students to undergraduate geoscience programs through dual-credit and dual-enrollment classes
58
Also in this issue…
Commentary:
2009 GSA Geologic Time Scale
J.D. Walker, J.W. Geissman
Abstract | PDF (115KB)
See 
Full-issue PDF for following articles.
11 - Dialogue: Industry is Not the Enemy
13 - Geologic Past: “The Problem of Petroleum”
GSA’s 2009 Annual Meeting in Portland, Oregon, USA
13 - Letter from the Technical Program Chair
13 - 2009 Events & Deadlines
14 - Portland 2009 Organizing Committee
15 - Call for Papers: How to Submit Your Abstract
16 - 2009 Joint Technical Program Committee (JTPC) and Discipline Categories
17 - Topical Sessions
44 - Graduate School Information Forum
45 - Registration and Lodging
46 - Call for GSA Committee Service
48 - GSA Foundation Update
49 - 2009 GSA Officer and Councilor Nominees
49 - Limnogeology Division Offers Kerry Kelts Award
49 - In Memoriam
50 - Calendar of Upcoming Deadlines & Events
53 - Classified Advertising
55 - Erratum
PDF (279KB)
55 - GSA News and Information
58 - Groundwork: Recruiting students to undergraduate geoscience programs through dual-credit and dual-enrollment classes
60 - Commentary: 2009 GSA Geologic Time Scale
62 - Coming in June’s GSA Today
62 - Journal Highlights
Erratum: See p. 55 of this issue.
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