national park service

Geology and Earthquakese, History of Science, Places

Rocks in Motion: Pinnacles National Park, the Geological Odyssey of Thomas Dibblee Jr. and California’s Dynamic Terrain

Pinnacles National Park’s wide landscape of dramatic rock formations and craggy spires looks otherworldly, especially in golden hour light. But few people who visit the park, located in Central California, southeast of the San Francisco Bay Area, are aware that the rock formations were once at the center of one of the most fierce debates in the history of California geology.  

Scroll to Top