Outcrops, road cuts, rock gardens, and other large exposures.
A detail of the outcrop at Confusion Hill, Franklin Mountains, West Texas.
Red Bluff Granite in detail.
Sulfuric acid altered rock. Groundwater leaching through cracks is precipitating melanerite (white iron sulfate) on the outcrop face.
Columnar jointing in Mundy Breccia (intruded by Red Bluff Granite) seen at this site.
Franklin Mountain Road cut
Garnet porphyroblasts may be seen in the metamorphosed Castner Marble exposed in the eastern Franklin Mountains north of El Paso, Texas.
Not a member yet? Sign up