1)fine grained detrital rock,细粒碎屑岩2)clast,碎屑;岩粒3)fine cuttings,细碎岩屑4)tuffisite,侵入细粒火山碎屑岩5)Phanoclastic rock,等粒碎屑岩6)coarse-sand rock and conglomerate,粗粒级碎屑岩
用法和例句
How to solve the logging problem of the fine cuttings drilled by PDC bits has become the focus that has been paid close attention to by the geological logging persons.