Spy Rock (Mason County, Texas)

Spy Rock
Elevation 1,749 ft (533 m)
Location
Location Mason County, Texas, USA
Geology
Type Pink granite

Spy Rock is a pink granite dome located in the Llano Uplift in Mason County, Texas, rising 1,749 feet (533 m) feet above sea level. The peak is located south of Fredonia[1] on Farm to Market Road 386, west on Spy Rock Road.

As with Enchanted Rock, Spy Rock is formed of middle Precambrian (1,082 ± 6 million years ago)[2] material. The base of the peak can be reached by the public, but the dome itself is on private property.[3][4]

References

  1. ^ Rhoades, Alice J. "Fredonia, Texas". Handbook of Texas Online. Texas State Historical Association. http://www.tshaonline.org/handbook/online/articles/hnf39. Retrieved 23 February 2011. 
  2. ^ Walker, Nicholas, Middle Proterozoic geologic evolution of Llano uplift, Texas: Evidence from U-Pb zircon geochronometry, Geological Society of America Bulletin 1992;104;494-504
  3. ^ "Spy Rock USGS Spy Rock Quad, Texas, Topographic Map". Trails.com. http://www.topozone.com/map.asp?lon=-99.1500523&lat=30.8968396&datum=nad83. Retrieved 23 February 2011. 
  4. ^ "Texas Granite". Texas Highways. July 1998. 
Municipalities and communities of Mason County, Texas, USA
City
Unincorporated
communities