The 993rd meeting of 

The Mineralogical Society


Southern California


September Meeting

ZOOM presentation

The Origin of Chondrules

Presented by

Dr. Alan Rubin

Friday, September 10, 2021 at  7:30.

See program notes below

Visitors are always welcome

About us…

The Mineralogical Society of Southern California is dedicated to the dissemination of a general knowledge of the mineralogical and related earth sciences through the study and collecting of mineral specimens. Organized in 1931, it is the oldest mineralogical society in the western United States.
The MSSC is a scientific non-profit organization that actively supports the Pasadena City College Geology Department,   Field Science Scholarship Fund.  Support is also given to Mindat.
The MSSC is affiliated with the California Federation of Mineralogical Societies and American Federation of Mineralogical Societies.

For more information


Effective April, 21, 2021

Paid MSSC members will be automatically on the invite list each month.

For Non Members:

You must request to attend the MSSC zoom meeting every month.

See Meeting page for details.

Yes, the General Meetings at our normal PCC meeting location have been cancelled. BUT! There will be an internet meeting via ZOOM. Our President, George Rossman is offering a MSSC meeting via ZOOM as follows: He uses Caltech’s ZOOM license which allows meetings to last as long as the need [Caltech has given him permission to do this]. To sign up for the meeting see instructions in the current month’s bulletin.

Program Notes: Join us Friday, September 10th for The Origin of Chondrules, presented by Dr. Alan Rubin / Institute of Geophysics and Planetary Physics; Department of Earth, Planetary, and Space Sciences; University of California Los Angeles: The Origin of Chondrules. Alan Rubin has a  Ph.D. in Geology (University of New Mexico, 1982). He was a post-doc at the Smithsonian for a year (1982-1983) and has been at UCLA since 1983. He is currently a Research Geochemist and an Adjunct Professor in the Department of Earth, Planetary and Space Sciences. He has published about 190 research papers on meteorites in peer-reviewed journals and about 50 popular articles on meteorites, asteroids, astronomy, and space science; seven of these won awards for popular science writing. His popular science book “Disturbing the Solar System” was published by Princeton University Press in 2004. In honor of his research contributions, asteroid 6227 was named Alanrubin in 2002.

***Participants who want to do this must respond to our Programs chair, Rudy Lopez at  no later than Tuesday September 7, 2021.  Please include “September  ZOOM Meeting” in the subject line of your response. This response date will allow time for us to send you the information needed to participate in the ZOOM meeting and also will allow time to get everything organized at Caltech. 


Upcoming Events

  • October 8, 2021: Dr. Sarah Milkovich – MARS via ZOOM

  • November 12, 2021: Paolo Sanchez, UC Berkeley, Geology & Geophysics ’22 – Important Minerals you Probably Never Heard of via ZOOM
  • October 24, 2021: MSSC Board Meeting via ZOOM

Important news about the MSSC Roster

The MSSC is pleased to offer the new 2020 edition of Bob Pedersen’s X- Dana 

X-Dana Mineral Spreadsheet