Establish and genesis of oceanic island basic volcanic rock early carboniferous in northern of daxing ' anling 大興安嶺北段早石炭世洋島型玄武巖的確立及成因意義
The lower part formed in a littoral - epeiric environment , is a series of elastic rocks , partly contains carbonate rock and metamorphic basic volcanic rocks and the upper part formed in a bathypelagic environment is a series of sediments with chert , partly contains metamorphic basic volcanic rocks 其下部為一套濱淺相碎屑巖,局部夾碳酸鹽巖、變質(zhì)基性火山巖;上部為一套深水沉積巖系夾硅質(zhì)巖,局部夾變質(zhì)基性火山巖。