六盘山盆地早白垩世含盐地层中石蚕巢化石

来源 :地球科学(中国地质大学学报) | 被引量 : 4次 | 上传用户：bavai

【摘要】

：

石蚕(昆虫纲:毛翅目)巢化石保存在宁夏六盘山盆地早白垩世马东山组和乃家河组含盐地层中,化石呈群栖、密集、相互平行、叠层状分布,石蚕巢为直立锥状体,长约13mm,平均直径约2.5mm.管壁具三层式结构,包括内、外暗色有机质层和中部胶结颗粒层.暗色有机质层为泥晶结构,以灰泥质为主;中部胶结颗粒层,主要由有机质球粒构成,球粒呈球形、椭球形和卵圆形等,形态大小一致,平均长0.3mm,直径0.10~0.15

【作者】

：

何欣卢宗盛翁平李海峰贾璐刘纯高

【出处】

：

地球科学(中国地质大学学报)

【发表日期】

：

2014年01期

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六盘山盆地早白垩世含盐地层中石蚕巢化石

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