"古岩"是个多义词，它可以指古岩（《武动乾坤》中的人物）,古岩（清朝诗僧）。
最近发现的蛇绿岩指示中、越交界区发育一条古特提斯的地缝合线，。
Recent discoveries on ophiolites indicate that there must have been a Paleotethyan geosuture zone bordering China and Vietnam.
这些克洛·维斯文化的古印第安人利用公园里发现的大量的黒曜岩来制造这样的切割工具和武器。
These Paleo-Indians, of the Clovis culture, used the significant amounts of obsidian found in the park to make such cutting tools and weapons.
胜利油区车古20潜山断层侧向封闭有3种模式：即岩性对接封闭、泥岩涂抹封闭和断裂带高排替压力封闭模式。
There are 3 lateral sealing patterns of faults in Chegu 20 buried hill in Shengli oilfield, including lithology juxtaposition, shale smearing and high displacement pressure in faulted zone.
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