Geological characteristic of volcanic tuff type gold deposit and Prospecting significance in guizhou
贵州火山凝灰岩型金矿地质特征及找矿意义

A volcanic rock formed by the welding together of tuff material from an explosive volcanic eruption.
熔结凝灰岩火山喷发后凝灰物质聚集后形成的一种火成岩

Discusson on the Origin of Tuff Uraniun Ore at 6120 Uranium Deposit of the Xiangshan Uranium Mineral Field.
相山铀矿田6122矿床凝灰岩铀矿石成因探讨

Experimental study on longitudinal wave characteristics of tuff, granite and breccia after high temperature.
三种岩石高温后纵波波速特性的试验研究

Oil shale always has the accompanying relationship with overlying sedimentary tuff or other tuffaceous strata.
油页岩常与上覆沉凝灰岩或其它凝灰质岩石呈伴生关系。

He will make an incision through the tentorium which is a tuff membrane that holds the cerebellum in the posterior cranial fossa.
天幕被切了一个口子。天幕在后颅凹中起到固定小脑的作用。