MICROSYMPOSIUM 33
THE HESPERIAN PERIOD OF MARS' HISTORY
LUNAR AND PLANETARY INSTITUTE

FINAL PROGRAM

1. The Hesperian Period on Mars: What we know, don't know, and need to do. Ken Tanaka.
2. Hesperian Tectonism. Matthew Golombek.
3. Tharsis in the Hesperian. Roger Phillips.
4. Hesperian Volcanism: The ridged plains and paterae. Sasha Basilevsky, Dave Crown, and Jim Head.
5. Impact basins in the Hesperian:
(10 minute presentations followed by one 10 minute discussion)
Hellas: Jeff Moore, Brad Thomson.
Argyre: Harry Hiesinger.
Isidis: Misha Ivanov.
6. Hesperian slopes and erosional processes. George McGill.

1. Possible Hesperian volcano/ice interactions. Mary Chapman, oral
2. Volcanism in the Hesperia Planum region of Mars. Tracy Gregg, oral
3. Geological evolution of the eastern Hellas region. David Crown, poster
4. Wrinkle ridge spacing: localization instability and crustal thickness control. Laurent Montesi, poster
5. Giant dike swarms and related graben systems in the Tharsis province of Mars. Lionel Wilson, poster
6. Meltback of Hesperian-aged ice-rich deposits at the south pole: Evidence for proglacial drainage channels and lakes. Sarah Milkovich, poster
7. Ridges in the Martian northern plains. Paul Withers, oral

SUNDAY, MARCH 11, 2001
8:30 AM - Invited overviews and discussion.
Jim Head and Misha Ivanov, co-chairs
(20 minute presentations with 20 minute discussions)

1. Testing the MEGAOUTFLOW hypothesis with Hesperian geology. Vic Baker.
2. Evidence for Oceans in the Hesperian. Tim Parker.
3. Water on Mars: An Hesperian Perspective. Mike Carr.
4. Hesperian Polar Deposits and Glaciation. Jim Head.
5. Hesperian cratering chronology and absolute ages. Bill Hartmann.