河北迁安铁矿北部桑园一带古地层的新认识

• 作 者: 兰玉琦 刘喜山
• 出 处: 长春地质学院学报
• 发表日期: 1979年04期
• 关键词: 地层 桑园 河北迁安 水厂 中国地质科学院 迁安县 变粒岩 隔河相望 磁铁石英岩 变斑晶

桑园地区位于河北省迁安县水厂铁矿区的北端,以滦河为界,与水厂矿区隔河相望。 迁安地区赋存着迄今为止国内已知的最古老地层(据中国科学院年令资料为36,7亿年),水厂北部地层年令31亿年(据中国地质科学院)。

Mulberry area is located in Qian’an County, Hebei Province, the northern end of Iron Works Iron Works, Luan River to the community, and the water from the mining area across the river. The Qian’an area is home to the oldest known strata to date in China (according to the Chinese Academy of Sciences’s annual record of 3.6-7 billion years) and the northern strata of the waterworks are 3.1 billion years old (according to the Chinese Academy of Geological Sciences).