Special Paper 487 Cover (image) Geological Society of America Caption This is the cover of the new Special Paper, "Mineralogical and Geochemical Approaches to Provenance." Credit Cover design by Eric Christensen, GSA. Usage Restrictions Contact GSA for higher resolution image. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.