sunolmap2

Sunol Regional Wilderness is east of the Calaveras fault. LY, Little Yosemite; FH, Flag Hill; P, southern parking lot. Tan colors are young sandstones of the Briones Formation and related units; green is Great Valley Sequence sandstone of Cretaceous age; blues and purples are Franciscan rocks including melange, graywacke (sandstone) and serpentinite.

Sunol Regional Wilderness is east of the Calaveras fault. LY, Little Yosemite; FH, Flag Hill; P, southern parking lot. Tan colors are young sandstones of the Briones Formation and related units; green is Great Valley Sequence sandstone of Cretaceous age; blues and purples are Franciscan rocks including melange, graywacke (sandstone) and serpentinite.

Download Original: 600 × 450 Geological Outings Around the Bay: Sunol Regional Wilderness