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<sup>*</sup>

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 Jiabei^1,^2,³, HE Dengfa^2,³, CHENG Xiang^2,³, LUO Yufeng¹

鄂尔多斯盆地南缘洛1井本溪组—马家沟组岩心照片 a—含泥白云岩,见长条状与椭圆状角砾,马家沟组,2771.9 m;b—灰质白云岩,见垂直裂缝,马家沟组,2773.95 m;c—碳质泥岩,见黄铁矿斑块,本溪组,2764.0 m;d—煤岩,见黄铁矿斑块,本溪组,2764.36 m;e—铝土质泥岩,见植物化石,马家沟组,2766.8 m; f—泥岩,见植物叶片,马家沟组,2767.5 m