1670Ma花岗斑岩岩脉
1670 Ma granite-porphyry dike
夕卡岩斑岩复合型铜(钼)矿床
skarn-porphyry compound Cu(Mo) deposit
矽卡岩-斑岩铜矿
skarn-porphyry copper deposit
砂岩岩脉（岩墙、岩床）
cause of a serious disease
砂岩岩石特征
petrological features of sandstone
砂岩岩性油藏
sandstone lithologic reservoir
砂岩岩性油气藏
sandstone lithologir hydrocarbon reservoir
Tsagaan Suvarga斑岩型铜钼矿
Tsagaan Suvarga porphyry Cu-Mo deposit