豫北卫辉地区寒武系馒头组含铁鲕粒的特征及形成机制*
许旰潇1, 齐永安1,2, 何雯逸1, 杜耀刚1, 刘小梅1

Characteristics and formation mechanism of iron-bearing ooids of the Cambrian Mantou Formation in Weihui area,northern Henan Province
XU Ganxiao1, QI Yong'an1,2, HE Wenyi1, DU Yaogang1, LIU Xiaomei1
豫北卫辉地区馒头组微亮晶含铁鲕粒圈层在显微共焦激光拉曼光谱成像系统下的成像和图谱 1—在暗层中的打点位; 2—暗纹层打点位的图谱; 3—在亮纹层中的打点位; 4—亮纹层打点位的图谱