摘要
The Oulituozi trachyte porphyry in the Liaohe Basin, NE China, was emplaced under the sub\|volcanic environment. Hydrocarbons were trapped principally by crypto\|explosive breccias, fracture networks, vertical extension fractures and tensile micro\|fissures in the top portion of this intrusion.
The Oulituozi trachyte porphyry in the Liaohe Basin, NE China, was emplaced under the sub\|volcanic environment. Hydrocarbons were trapped principally by crypto\|explosive breccias, fracture networks, vertical extension fractures and tensile micro\|fissures in the top portion of this intrusion.