igneous GREGMAT

The orebodies occur within or near the exocontact of intrusive rocks and above the hidden igneous rocks.

金矿产于岩体外接其附近和隐伏岩体上方。

Patterns in Nature: Lava Cooled pahoehoe Hawaiian lava solidifies into igneous rock with a ropelike pattern.

熔岩在自然界模式。水冷式pahoehoe夏威夷山熔岩凝固成成岩与ropelike格局。