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Learn about unique geology of Barringer Hill. Below Lake Buchanan lies what the United States Geological Survey has described as one of the greatest deposits of rare-earth minerals in the world. Rob Wilkes and Jean Hackett share how this exotic pegmatite, encrusted with radioactive crystals, formed in the Llano Uplift.
This presentation is free and open to the public. For a full list of Geology January activities, visit sa.gov/parks.
https://www.sanantonio.gov/ParksAndRec/News-Events/Events/Event-Details/ArtMID/15385/ArticleID/29148/Geology-January-2026?Park=&Facility=
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Event Venue & Nearby Stays
Phil Hardberger Park Urban Ecology Center, 8400 NW Military Hwy,San Antonio, Texas, United States
Concerts, fests, parties, meetups - all the happenings, one place.
