LPL Colloquium: Determining Ages of Key Events on the Moon: Refining the Moon’s Geologic History

Dr. Bradley Jolliff, Scott Rudolph Professor of Earth and Planetary Sciences Director, McDonnell Center for the Space Sciences, Washington University in St. Louis

When

3:45 to 4:45 p.m., April 30, 2024

Where

Fifty-plus years of analysis of Apollo samples has revealed much about the ages of key events on the Moon, especially for volcanic surfaces and impact craters and basins. Yet much remains to be learned and new samples from specific locations may yet reveal important new ages. We will discuss ages of materials ranging from some of the youngest basalts to impact melt rocks that date the great Imbrium basin, to even older KREEP-rich impact melt, and finally, the age and significance of the giant South Pole-Aitken basin, the Moon’s largest and oldest recognizable impact structure.

More about Dr. Jolliff

Zoom guidelines and information

As a reminder, please keep yourself muted during the meeting unless you are speaking. If you have an important clarification question, please raise the “blue hand” in the Participant list before asking or you can ask a question in Chat window. For non-urgent questions, please wait until the Q/A time following the presentation.

For those viewing the colloquium in room 308, refreshments will be served in the Kuiper atrium at 3:30 p.m.

***Refreshments are not permitted in the seminar room.***

Contacts

Bertha K. Orosco