豫西宜阳地区寒武系馒头组鲕粒中的泥晶方解石特征及其成因*
陈百兵, 齐永安, 郑伟, 李小燕

Micritic calcites in ooids and their genetic analysis from the Cambrian Mantou Formation in Yiyang area, western Henan Province
Chen Bai-Bing, Qi Yong-An, Zheng Wei, Li Xiao-Yan
豫西宜阳地区寒武系馒头组泥晶方解石在鲕粒中的分布
1—泥晶在鲕粒的核心,单偏光;2—泥晶在鲕粒的表层,单偏光;3—泥晶在鲕粒的同心圈层中,单偏光;4—泥晶在鲕粒的放射壳层中,单偏光;5—泥晶在整个鲕粒中,单偏光;6—泥晶团块,泥晶在壳层内部,单偏光