Late Cretaceous Tectonics and Paleogeography (85 Ma).

Late Cretaceous (85 Ma)

Plate reorganization as Kula separated from Farallon Plate; dextral transpression with North America; Kula-Farallon ridge moved northward along coast

Baja BC transported northward with obliquely converging Kula plate

Major magmatic activity in two belts (110-85 Ma) followed by strong decline and null in magmatic activity (80-40 Ma)

Andean-style segmentation of Farallon arc from Central America to Southern California

Sevier thrusting continued and foreland basin shifted locus of subsidence southward in response to shallow

Laramide subduction (shallow angle)