英德
有道
百度
谷歌
图片
维基
百科
带化石 [dài huà shí]
zone fossil
- 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。
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. - 园区内地质遗迹资源丰富，不仅有独特多样的花岗岩峰丛地貌与水文地质景观，更有为世界瞩目的超高压变质带及其特征岩石——榴辉岩和古新世脊椎动物化石、新石器晚期文化遗址，集中反映了18亿年以来天柱山地区地质演化历史及人文史。
Tianzhu Mountain National Geopark is rich in the resources of geological heritage, boasting not only the landscapes of unique diversiform granite peak cluster landform and hydrogeology, but also attention-focused significant ultrahigh pressure metamorphic zone and its featured rock -- eclogite, fossils of vertebrates of Paleocene Epoch and the historical and cultural sites of the late Neolithic Age, which concentratedly reflect the history of geological evolution for 1.8 billion years as well as human history in the area of Tianzhu Mountain. - 文摘:通过对莱芜煤田石炭系多门类化石的研究，建立了本区石炭系蜓及牙形刺组合带，在此基础上对其地层层序及生物地层的划分和石炭二叠系界线的确定进行了讨论。
Abstract: By systematic study on some categories of biotic fossils discovered in the carboniferous strata of Laiwu coal field,the assemblage of Fusulinida and c onodont of this area is established.Based on the above,the stratigraphic sequenc e,the division of the biostratigraphy and the ascertainment of the boundary line between the caboniferous and the Permian are discussed.
 |
 |
 |
 |
 |
 |
 |
中国词汇量第二的英语词典
更多精彩，登录后发现......
