Tectonic Terrane Map
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?
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.