lava lava

The second rock is mainly breccia lava and conglomerate lava .

与熔岩呈过渡的火山碎屑岩主要为角砾熔岩和集块熔岩。

It is suggested basic lava and intermediate lava constitute the volcanic rocks by the testing of rare earth elements and trace elements in southern Danghe Mt.

甘肃南祁连褶皱带党河南山地区中奥陶世火山岩的岩石学和微量元素、稀土元素的地球化学等研究证明，本区火山岩由基性火山岩和中性火山岩组成。

" Lava rivers become lava tubes when the exterior of a flow cools , allowing hot , fluid lava to continue to flow beneath the surface ," according to the National Park Service .

“熔岩管河流变成熔岩流时，外部冷却，使热，流体熔岩流继续在表面之下，”根据国家公园服务。

On the basis of lithological characters and electricity of volcanic rock , the volcanic rocks in Permian strata in Mid-Tarim area were divided into distinct units of lava cell and lava group .

根据火山岩的岩性及电性特征，对塔里木盆地中部（简称塔中）地区下二叠统火山岩地层进行了划分与对比。

Volcano lava ice cavern , formed mainly because of the different solidifying velocities between surface lava and bottom lava .

火山熔岩冰洞，是由于表层熔岩和底层熔岩的凝固速度不一样而形成。