• East view from Crissy Field overlook with old Coast Guard station on left and city on right

    Presidio of San Francisco

    California

Tectonic Terrane Map

Tectonic terrane map for San Francisco area
Modified from Blake et al. 1984. Tectonostratigraphic terranes of the San Francisco Bay Region. P. 5-22, in Blake, M. C. Jr., ed., Franciscan Geology of Northern California.  Pacific Section SEPM, volume 43.
 
This map shows the eight tectonic terranes of the Franciscon Complex in the San Francisco Bay area, as well as the important San Andreas and Hayward faults. Each terrane is characterized by a specific history of rock deposition and degree of metamorphism.

Did You Know?

The 6th Army Band during Alpert's service.

Herb Alpert, Grammy Award-winning bandleader of the Tijuana Brass, played in the 6th Army Band at the Presidio during the 1950's. Alpert later claimed the structure and discipline of the Army helped him with his music.