The dissolution behavior and secondary minerals generated by experimental alteration of a synthetic Los Angeles basaltic shergottite (LA) were evaluated at epithermal (75°C) conditions. Starting pH values of 1.1 and 3.6 and water-rock ratios ranging from 100 to 2000 were studied using flow-through and batch reactor experimental apparatus. Dissolution of plagioclase dominates effluent solution chemistry under all experimental conditions. Little Mg is released to solution because nearly 100% of the Mg in un…
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