Reconstructing ocean spreading when half your record is now in the mantle (or: a plug for my new paper)

F7-Spreading_rates

Pacific-Farallon ridge spreading rates

Reconstructed spreading rate of the Pacific-Farallon ridge as it progressively collided with North America and shortened to form the modern East Pacific Rise. Also shown: major fragmentation events on the Farallon plate, and the broad variation in spreading asymmetry. From Rowan and Rowley (2014).

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