稀土元素矿床是霞石正长质岩浆分异残余熔体的产物，侵位于岩体最高层位。
The REE enriched residual melt penetrated into the top of intrusion would be the products of nepheline syenite magma produced in the process of differentiation.
煌斑岩岩浆晚期残余气液与成矿流体组成相近、沉淀次序相同，表明它们可能有成因联系。
The last remain fluid of lamprophyre magma is similar to metallogenetic fluid in composition and precipitating sequence, showing their genetic relationship.
科学家确定凹陷处是一个火山口，并且在它附近明亮的圆环是火山碎屑岩，是火山喷发出岩浆的残余，很象地球上的火山喷口。
The scientists determined that the depression was a volcanic vent, and the bright ring around it was pyroclastic, remnants of lava that had been spewed outward, much like a volcanic fountain on Earth.
科学家确定凹陷处是一个火山口，并且在它附近明亮的圆环是火山碎屑岩，是火山喷发出岩浆的残余，很象地球上的火山喷口。
The scientists determined that the depression was a volcanic vent, and the bright ring around it was pyroclastic, remnants of lava that had been spewed outward, much like a volcanic fountain on Earth.
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