epithermal-porphyry type
Lianhuashan gold bearing porphyry type tungsten deposit
Porphyry Type Cu Deposit
porphyry type polymetallic deposit
porphyry-type copper-gold deposit
porphyry-type Cu-Mo-Au deposit
PORPHYRY-TYPE LOW-GRADE COPPER-MOLYBDENUM ORE
porphyry-type uranium deposit
Sharang porphyry type molybdenum deposit
volcanic-subvolcanic-porphyry type of gold deposit
a moving V-type three-level atom
a V type three-level atom
backward V type insulator