凝灰岩 [岩] tuff ; volcanic tuff ; ashstone
熔结凝灰岩 [岩] welded tuff ; [岩] ignimbrite ; weld tuffs
火山凝灰岩 volcanic tuff ; cinerite ; ash tuff ; ash rock
凝灰火山锥 [地质] ash cone
粗粒凝灰岩 coarse ash tuff ; coarse tuff
浮石凝灰岩 pumice tuff
石质凝灰岩 [岩] lithic tuff
凝灰质的 [岩] tuffaceous
玻璃凝灰岩 [岩] vitric tuff
凝灰角砾岩 tuff breccia
向熔岩过渡的火山碎屑岩主要为角砾熔岩和凝灰熔岩等。
The pyroclastic rocks which transit to lava mainly have breccia lava and tuff lava etc.
但对于流纹状凝灰角砾岩，峰值应变随着温度的升高在降低。
However, for breccia, it seems that the peak strain decreases with temperature.
包古图组主要为一套深海—半深海相的灰、灰黑色薄层状凝灰质粉砂岩、凝灰质泥岩，与灰绿色、灰色薄层状沉凝灰岩不均匀互层。
Bao ancient group plans for a major deep-sea - a half deep in the ash, black ash-like TLC tuffaceous siltstone, shale tuffaceous, with gray green, with thin gray-tuff interbedded uneven.
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