Funding for this research was provided by:
Basic Energy Sciences (DE-SC0001114, DE-SC0001114)
U.S. Department of Energy (DE-FE0004630, DE-FE0004630)
Division of Earth Sciences (EAR-1045282)
Article History
Received: 22 December 2016
Accepted: 9 March 2017
First Online: 14 March 2017