岩石在热液作用下,产生含有石英、玉髓、蛋白石、似碧玉等蚀变矿物的作用。从高温到低温热液条件下,各种岩石都可发生硅化作用。另外,高古玉类的硅化现象被发现,得到非高温下的年久后某些条件影响的硅化表现。比如红山或泛红山玉器中有很多这种现象。 在生活中常采用高温等方式促进表面硅化或作硅化处理,可用来制备抗氧化涂层等。
矽肺最基本的病理变化是肺间质纤维化和矽结节的形成。
The basic pathological change of silicosis is the lung interstitial fibrosis and the formation of silicotic nodule.
接触部位形成角岩、矽卡岩化,并发生磁铁矿、硫铁矿及金矿化。
Hornfels, skarnization, troilite and gold mineralization were formed in their contact segment.
其成矿物质主要来源于矿区东北部的姑婆山与乌羊山花岗岩体及接触带的各类含锡原生矿床或矿化点,尤其与矽卡岩型锡石矿床关系最为密切。
Materials aer derived mainly fromGuposhan granite bodies in the northeast of the Sn deposit and their contactmetamorphic zone. Especially, they are closely related to the skarn cassteriteore deposit.
应用推荐