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JADE: Stone of Heaven

March 18, 2017 @ 5:00 pm - 6:00 pm

Jade has been the most treasured mineral in Asian cultures.  Gram for gram, carat for carat, it is the most valuable gem in the world market today.  The presumed mystical power believed to be possessed by jade can be traced back thousands of years in Chinese history and archeology.

Dr. John Suen is Professor Emeritus of Hydrogeology at California State University, Fresno.  In this talk, he will examine the history, mineralogy, and geologic genesis of jade.  Rational explanations for the origins of mystical beliefs associated with jade will be presented from a scientific perspective.  The geology of California will also be covered.

Space is limited and reservations are required.

To reserve, send email to:


Leave your name and the number of seats you need.

We will reply to confirm your reservation.


March 18, 2017
5:00 pm - 6:00 pm

NOTICE: Some sites at the Back Ranch Meadows Campground will be closed Sunday through Thursday from November 14, 2022 until May 13, 2023 due to construction. The group site will remain open during the week. Go to reservecalifornia.com for available reservations.

ADVISORY: December 3, 2023, 8am-2pm. Footrace beginning at Miwok Meadows. Expect increased foot traffic on Shoreline Trail, Oak Ridge Trail, and Bayview trail. Plan your trip to the park accordingly. See calendar for details.