7. Acknowledgements

We acknowledge support from National Science Foundation Tectonics Grant EAR-1550034 for fieldwork and analytical costs (to Fitzgerald) and Grant EAR-1550123 (to Benowitz) and from Syracuse University (Prucha and Nelson funds). This manuscript benefited from thorough and constructive reviews by Mauricio Parra and Terry Pavlis. We thank Dustin Trail and Amanda Maslyn at the University of Rochester for their assistance in generating the U-Pb zircon data.