In-Person Lecture

Special Earth Science Series

Speaker: Geologist Don Barrie

Please join Mesa College geology professor and ABDNHA board member, Don Barrie, for this lecture on San Diego County’s Peninsular Ranges, with emphasis on the Laguna Mountains west of Borrego Springs. Don’s lecture will focus on how plate tectonic processes have created the complex collage of igneous and metamorphic rocks exposed both regionally, throughout southeastern California, and locally, in the Lagunas. In the ABDNHA Library. General Public: $12, Members: $10, Volunteers: $8. A related field trip is scheduled for Sun., Jan. 25.