Abstract
SUMMARYNew crustal images beneath Long Beach, California show the region of the Inner Borderland to continent transition. The cross-sections are obtained from stacked autocorrelations of virtual sources generated from oil-industry data recorded in the city of Long Beach, CA. They show that the Moho is dipping at 65° and obliquely truncates an ∼10 km thick flat-lying lower crustal fabric. The Moho appears to be fault controlled and an integral part of the extrusion of the Catalina Schist that underlays the Inner Borderland. The basement interface has significant offsets of up to 2 km, none of which correspond to the mapped trace of the Newport–Inglewood Fault.
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