Siliceous is Acid gets neutralised by the carbonates. The Sn is not nearly as soluble in high Ph (basic) rocks so precipitates as cassiterite. Also happens in skarns and the zonation of pegmatites as they cool.
MLX Price at posting:
40.0¢ Sentiment: Buy Disclosure: Held
A personalised tool to help users track selected stocks. Delivering real-time notifications on price updates, announcements, and performance stats on each to help make informed investment decisions.
(20min delay)