化石带的英文

例句与用法

1. According to the fossils , we found one graptolite zone : mongraptus yukonensis - neomongraptus himalayensis zone ; two radiolarian combinations : entactinia - entactinosphaera , entqctinia itsukaichiensis combination , and three radiolarian zones : albaillella paradoxa zone , albaillella indensis zone and albaillella cartalla zone . 2 . the new cognition about the sedimentary environment of the original nanpihe formation
   放射虫可建立两个组合和三个化石带：晚泥盆世entactinia - entactinosphaera组合；早石炭世杜内期中期albaillellaparadoxa带，杜内期晚期?维宪期早期albaillellaindensis带，维宪期中期albaillellacartalla带；晚二叠世entactiniaitsukaichiensis组合。
2. The study of neogene calcareous nannofossils from the pearl river mouth basin in the last two decades could be subdivided into two stages ( 1 ) from the beginning period of the 80 ' s to early of the last century , the studies focused on the calcareous nannofossil zones and the descriptions of main genera and species ; ( 2 ) from the middle and late period of the 90 ' s of the last century to the present , the researches concentrated on the high - resolution calcareous nannnofossil biostratigraphy
   纵观二十多年来珠江口盆地新近系钙质超微化石的研究历史，大致可分成两个阶段： ( 1 )上世纪80年代初至90年代初，侧重于化石带的报道及主要化石属种的描述； ( 2 )上世纪90年代中后期至今，主要为高分辨率钙质超微生物地层研究阶段。