Different mechanisms for acid weathering of crystalline basalt vs. basaltic glass and implications for detection on Mars

Briony H N Horgan1, Rebecca Smith1,2, Philip R Christensen3 and Edward Cloutis4, (1)Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States, (2)Purdue University, Department of Earth, Atmospheric, and Planetary Science, West Lafayette, IN, United States, (3)Arizona State University, School of Earth & Space Exploration, Mars Space Flight Facility, Tempe, AZ, United States, (4)University of Winnipeg, Department of Geography, Winnipeg, MB, Canada
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