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
陕西洛南县蓟县系洛南群层控玉化硅质岩硅质玉髓硅质来源判别图解 A—Al-Fe-Mn三角图(底图据 Adachi et al ., 1986 )。B—不同类型沉积物Th-U图解(底图据 Boström et al .,1979 ): Ⅰ—TAG热水沉积物区,Ⅱ—Galapagos热水沉积物区,Ⅲ—Amphitrite热水沉积物区,Ⅳ—红海热水沉积物区,Ⅴ—中太平洋中脊热水沉积区,Ⅵ—Langban热水沉积物区,Ⅶ—锰结核区,Ⅷ—普通深海沉积物区,Ⅸ—铝土矿区,Ⅹ—古老石化的热水沉积物区