鄂尔多斯盆地南缘奥陶系顶部碳酸盐岩风化壳特征及其成因机制*
熊加贝1,2,3, 何登发2,3, 成祥2,3, 罗瑀峰1

Characteristics and genetic mechanism of weathering crust on carbonate rocks on the top of the Ordovician in southern margin of Ordos Basin
XIONG Jiabei1,2,3, HE Dengfa2,3, CHENG Xiang2,3, LUO Yufeng1
鄂尔多斯盆地南缘洛1井马家沟组白云岩系岩心显微照片 a—L1-19,2768.56 m,本溪组,白云岩; b—L-2,2769.1 m,本溪组,泥—微晶白云岩; c—L-1,2769.5 m,本溪组,泥—微晶白云岩; d—TY-2,2771.9 m,本溪组,含泥白云岩。Qtz: 石英; Intr: 内碎屑; A: 微晶白云岩层; B: 泥晶白云岩层。所有样品均为单偏光