magma chamber

These factors include magma composition, convection, diffusion, thermal gradient, oxygen fugacity, temperature, pressure, the shape of magma chamber etc.

影响韵律形成的因素很多，通常包括岩浆成分、对流作用、扩散作用、热梯度、氧逸度、温度和压力等。

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When the enormous magma chamber at Santorini finally collapsed to form the existing caldera, enormous tsunamis ( tidal waves) spread outward in all directions.

圣多里尼火山的巨大岩浆房最后倒塌，形成了现有的喷火山口，巨大的海啸（潮汐波）向各个方面向外伸展。

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Layered gabbro ( layered cumulate gabbro) was derived from magma chamber under ridge, thus its formation age records the generation of oceanic crust.

层状辉长岩（或堆晶层状辉长岩）通常起源于洋脊下的岩浆房，因而它的形成年龄代表洋壳形成的时代。

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The tomographic result shows that there is a P wave low velocity zone ( LVZ) in the upper crust beneath the Tengchong volcanic area. The LVZ is in the depth of 7~ 8 km and may be a small magma chamber or a partial melting body.

层析成像结果显示出，在腾冲火山区下方的上地壳内存在明显的P波低速区，该低速区在地下7～8km深度，可能与上地壳内的岩浆囊或部分熔融体有关。

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There were a partial melting layer of the upper crust or magma chamber for circulation and deposition of copper-bearing hydrothermal fluids;

要有上地壳的部分熔融层或岩浆房，以提供含铜热液的循环沉淀条件；

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