The Qimagou Pb-Zn deposit occurs between onyx siliceous marble and volcanic tuff of the Xiong 'er Group.
骑马沟铅锌矿赋存于熊耳群条纹状硅质大理岩与火山凝灰岩之间。
Three deep canyons are located in the park, cut through the volcanic tuff of the Yellowstone Plateau by rivers over the last 640,000 years.
黄石公园里有三个幽深的峡谷。它们通过那些延续了64万年的河流斜着穿过黄石高原的火山凝灰岩。
The method takes the manganese slag as the lightweight aggregate to be mixed with the volcanic tuff stone powder, the fly ash and the cement, thus producing the wall block by pressing.
本发明方法以锰渣作为轻骨料与火山凝灰岩石粉、粉煤灰和水泥混合压制成墙体砌块。
The reservoirs in Permian is consist of carbonate rock, tuff, clastic rock and volcanic rock.
二叠系储集层主要由碳酸盐岩、沉凝灰岩、碎屑岩和火山岩组成。
Typical features of subaqueous volcanic rocks include perlite with glassy structure and pillow structure, lamellar tuff, bentonite.
水下喷发火山岩典型标志为珍珠岩、玻璃质结构、枕状构造、纹层状凝灰岩和膨润土。
The thrid part are tuff, ferruginous dolomite, crystal tuff and volcanic breccia.
第三段以凝灰岩、铁质白云岩、晶屑凝灰岩、火山角砾岩为主。
The study suggests that the types of volcanic rock of GuanTao formation in this area are chiefly tuff and basalt, and different types have different log responses.
研究表明，馆陶组火山岩主要类型为玄武岩和凝灰岩，不同火山岩类型间具有不同的测井响应特征；
The formation is the eroded remains of a volcanic tower known as a tuff cone.
形成是侵蚀遗迹是一个火山塔称为凝灰岩锥。
The formation is the eroded remains of a volcanic tower known as a tuff cone.
形成是侵蚀遗迹是一个火山塔称为凝灰岩锥。
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