陕西洛南县蓟县系洛南群层控玉化硅质岩特征、成因及意义*
屈红军1,2, 李文厚1,2, 姚天星1,2, 武龙发1,2, 王妍心1,2, 胡佳森2, 成倚山2

Characteristics,origin and significance of strata-bound chalcedonization siliceous rocks of the Jixianian Luonan Group in Luonan Country,Shaanxi Province
Qu Hong-Jun1,2, Li Wen-Hou1,2, Yao Tian-Xing1,2, Wu Long-Fa1,2, Wang Yan-Xin1,2, Hu Jia-Sen2, Cheng Yi-Shan2
在25 ℃时pH值对CaCO3和SiO2的影响(据 Friedman,1962 )