sedimentary tuff meaning in Chinese

沉积凝灰岩

The hydrothermal breccia and karst in the beiya area are divided into 4 types and zones , including : sedimentary tuff and breccia induced by hydrothermal explosion and sedimentation on land surface ; hydrothermal sedimentary conglomerate and gas - explosive ejecting breccia related to sedimentation in and collapsing of some shallow karst caves ; netted hydotherma1 limcstone breccia and hydrothermal explosive breccia pipe related to hydrofracturing , corrosion and explosion in the hydrothermal channels ; and yellow granular limestone formed by simmering and alteration in the deep heated water reservoir
北衙地区热水角砾岩和热水岩溶可分为4种类型和层次，即地表相爆发沉积作用形成的沉积凝灰角砾岩、热水沉积鲕状灰岩与钙华胶结角砾岩；与近地表洞穴沉积和垮塌作用有关的热水沉积砾岩和汽爆射流角砾岩；与热水通道相蚀裂和爆破角砾化作用有关的网络状灰岩角砾岩筒和热水隐爆角砾岩筒；深部相热水浸煮蚀变灰岩。