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Pacific Coastal & Marine Science Center

Monterey Bay Studies

Monterey Bay Studies


Monterey Bay National Marine Sanctuary Project

Seafloor Morphology between Año Nuevo and Santa Cruz, California

Purisima Formation Sidescan Sonar

Side-scan sonar record of Purisma Formation outcrops collected 1.5 km south of Point Santa Cruz. Mottled appearance of outcrop is due to surficialboulder-cobble lag overlying bedrock unit. Light portions of record consist of medium- to fine- grained sand. Each horizontal line represents 10 meter spacing from the middle of the record. Water depth is 39 to 40 meters.

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