granites

1.The rapakivi granites have a number of petrological peculiarities.

环斑花岗岩有干岩石学的特征。

2.4) characteristics of the association of the rapakivi granites and relative mafic rocks.

秦岭环斑花岗岩的副物及铁镁含量和环斑钾长石特征；

3.Alkalescent granites and gold-related silication and argillation are geological prerequisites for the formation of noticeable gold deposits.

摘要偏碱花岗岩及与金的成活动有关的硅化、粘土化蚀变是黑刺沟金田规模金床存在的地质前提。

4.The Sn granites are characterized by biotite and titanite as Sn-bearing minerals, which suffured hydrothermal alteration, leading to tin leaching and subsequent crystallization of cassiterite.

前者以黑云母、榍石为典型含锡物，它们在流体富集阶段，经热液蚀变作用，导致锡的淋滤和结晶富集作用；

5.SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种特别配方的防水剂，有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面，并可防止污渍入表面、冰霜侵入及防止风化。