1. Chemical and mineralogical trends during acid‐sulfate alteration of pyroclastic basalt at Cerro Negro volcano and implications for early Mars. Issue 9 (5th September 2013) Authors: McCollom, Thomas M.; Hynek, Brian M.; Rogers, Karyn; Moskowitz, Bruce; Berquó, Thelma S. Journal: Journal of geophysical research Issue: Volume 118:Issue 9(2014:Sep.) Page Start: 1719 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗