More than thirty years ago,microprobe analysis introduced the possibility of analyzing quantitatively in situ small surfaces of polished sections ,redering obsolete many of the optical measurements and other data that had been presented in many standard ore-mineralogy textbooks,and thus a new approach to the subject was called for.in addition ,it sh…
The relationship between tin ore deposits and granite magmatism '.Ihe tin belt of S.E. Asia, which is about 3500 km long end 400 to 800 km wide (Figure 1)1 is probably one of the best examples of a metallogenic ,E;:OVince. '.Ihe world's annutl tin produ…