Petrography and geochemistry of organic matter at DSDP Holes 80-549 and 80-550B

Three lower Barremian to middle/upper Cenomanian samples from DSDP Hole 549 and three lower Cenomanian to lower Maestrichtian samples from DSDP Hole 550B were investigated by...取自深海钻探计划（Deep Sea Drilling Project，DSDP）549号钻孔的3件巴列姆阶（Barremian）早期至森诺曼阶（Cenomanian）中、晚期样品，以及取自该计划550B号钻孔的3件森诺曼阶早期至马斯特里赫特阶（Maestrichtian）早期样品，已被……开展研究。