Joints (cracks) formed by thermal expansion/contraction in granite; Almo Pluton, City of Rocks National Reserve, Idaho.

---

rock is part of Almo pluton

---

Size: 3560px × 5360px
Location: City of Rocks National Reserve, Idaho
Photo credit: © William Mullins / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: almo, city, extension, extention, formation, fracture, fractures, geologic, geology, granite, granitic, idaho, joint, joints, national, pluton, processes, reserve, rock, rocks, silent