Tuesday, July 28, Andrew Pepper demonstrates which ground we stand on while planting and restoring vegetation native to the Edwards Plateau.
“The earth we plant in is a temporary veneer on an eroding hard rock surface that has been evolving over 35 million years. In Central Texas, rocks beneath the soil profile range in age from about a billion years (granite in the Llano uplift at Enchanted Rock) to 105 million years (the white limestone we see capping the mesas around Fredericksburg),” he stated.
“In this talk I’ll show some local geologic maps and explain the geologic evolution using oil industry models of the Permian Basin whose eastern flank represents the earth beneath our Central Texas earth.”
This year, Andrew Pepper celebrates 45 years as a geologist, working in technical and leadership roles at BP, Hess and BHP petroleum companies. That bounced him all over the landscape. Currently, he is lucky enough to work from Fredericksburg where he runs a small global consultancy business with an enviable office window view of Ingrid’s garden and the creek beyond.
Come join us! Meetings are free and open to the public. The Fredericksburg chapter holds its monthly meetings on the 4th Tuesday of the month at St. Joseph’s Halle (click link for a map) (212 W. San Antonio St., Fredericksburg)..
Come early at 6:30 pm to make new friends. The short chapter announcements and program begin at 7:00. You may attend in person or via online streaming (https://www.youtube.com/@fredericksburgtexasnativeg4884).
More information is online at Facebook (@fbgtxnpsot), and Instagram(@npsot_fredericksburg_chapter)
