James G Ogg¹, Yang Zhang², Felix Gradstein³, Andrew Gale⁴, Frits Agterberg⁵, Daniel A Minguez⁶, Mark Hounslow⁷, Snorre Olaussen⁸ and Selen Esmeray-Senlet⁶, (1)Purdue University, West Lafayette, IN, United States, (2)Purdue Univ-Earth & Atmos Scie, West Lafayette, IN, United States, (3)University of Oslo, Geology Museum, Oslo, Norway, (4)University of Portsmouth, School of Earth and Environmental Sciences, Portsmouth, United Kingdom, (5)Geological Survey of Canada (NRCan-GSC), Ottawa, Canada, (6)Chevron Energy Technology Company, Houston, TX, United States, (7)Lancaster University, Lancaster, United Kingdom, (8)University Centre in Svalbard, Department of Arctic Geology, Longyearbyen, Norway