不同岩性火山岩的物性也有较大的差别，并以熔渣状玄武岩、杏仁状安山岩、火山角砾岩为好；
This investigation also finds that different lithology have different physical properties and the slaggy basalt, the amygdaline basalt and the volcanic breccia have the best physical properties.
研究表明，本区火山活动应为大陆板块内部的裂谷环境，与消减带无关。 文中还总结了火山活动的时代、规模、顺序、碎屑锥特点。 研究了绳状、渣状熔岩的典型剖面、形成条件及流动方向。
The authors synthesized geological, geophysical and geochemical data, and believe that the plate tectonic setting of the study area should belong to the rift valley within the continental plate.
当气体冷却，任何有毒的物质会被封在玻璃状的熔渣中，被安全的填埋。
When the gas is cooled, any hazardous elements in the waste end up sealed in a glassy slag that is safe to put into landfill.
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