![Dr Stacy Phillips on X: "Geologists ⚒️ have worked with climbers 🧗♂️🧗♀️ to photograph rock textures and map the various different types of granite as they made ascents all over El Capitan! Dr Stacy Phillips on X: "Geologists ⚒️ have worked with climbers 🧗♂️🧗♀️ to photograph rock textures and map the various different types of granite as they made ascents all over El Capitan!](https://pbs.twimg.com/media/D5-BbUIW4AAeDqw.jpg:large)
Dr Stacy Phillips on X: "Geologists ⚒️ have worked with climbers 🧗♂️🧗♀️ to photograph rock textures and map the various different types of granite as they made ascents all over El Capitan!
![El Capitan, Yosemite, Freerider, Maurizio Oviglia, Rolando Larcher, Roberto Vigiani, The route line of Free Rider on El Capitan, Maurizio Oviglia - Planetmountain El Capitan, Yosemite, Freerider, Maurizio Oviglia, Rolando Larcher, Roberto Vigiani, The route line of Free Rider on El Capitan, Maurizio Oviglia - Planetmountain](https://www.planetmountain.com/uploads/img/1/48806.jpg)
El Capitan, Yosemite, Freerider, Maurizio Oviglia, Rolando Larcher, Roberto Vigiani, The route line of Free Rider on El Capitan, Maurizio Oviglia - Planetmountain
![Danger Zones: The Nose - Yosemite National Park (U.S. National Park Service) - Search and Rescue: Lessons from the Field Danger Zones: The Nose - Yosemite National Park (U.S. National Park Service) - Search and Rescue: Lessons from the Field](https://www.nps.gov/yose/blogs/images/anam-DangerZones1web.jpg)