Lower tracheophytes in existence since the devonian.
自从泥盆纪以来就生存的低等维管植物。
Based on sequence strati graphy work for the outcrops in tarim basin the author sets up the sealevel changes curve of sinian period to devonian period.
根据对塔里木盆地露头剖面的层序地层学研究，建立了震旦-泥盆纪古海平面变化曲线。
Late Devonian About 360m years ago, a fifth of marine families were wiped out, alongside more than half of all marine genera.
泥盆纪晚期约三亿六千万年以前，五分之一海洋家族遭毁灭，同时毁灭的还有半数以上的海洋属生物。
Its age is Sinian early Paleozoic to Devonian.
其时代主要为震旦纪—早古生代至泥盆纪。
The host-rock of the ore deposit is phyllite and slate of Middle Devonian.
矿床主岩为中泥盆统干枚岩、板岩。
The sedimentary basin of Devonian in Southern Guizhou, South China is euxinic.
黔南泥盆纪沉积盆地是一个停滞缺氧盆地。
The contact relationship between Silurian and Devonian is parallel unconformity.
泥盆系与志留系之间为平行不整合接触。
The characteristic of Devonian strata and mineral resources in Guangxi are briefly introduced.
概要介绍广西泥盆纪地层特征及矿产资源。
Geological events during the Devonian basin evolution were very closely related to mineralization.
在泥盆纪盆地演化中，地质事件与成矿关系极为密切。
The Late Devonian-Middle Jurassic depositional systems in Fujian Province arereconstructed in the paper.
本文应用沉积体系的研究方法，恢复了福建省晚泥盆世-中侏罗世地层的古沉积面貌。
The lower structure layer consists of the Sinian to the Devonian, in which the A-Man low ridge is observed.
下构造层由震旦系—泥盆系构成，所谓阿-满低梁主要即发育于该构造层。
The Allochthon consists mainly of Devonian, Permian, Triassic and Protero-zoic rocks which constitutes a klippe group.
其外来系统主要由泥盆系、二叠系、三叠系及元古代岩体组成，构成飞来峰群。
Emergence stratums are of Sinian, Devonian, Permian, Trias and intrusive granite dike and coarse - grained granite dike.
出露地层为震旦系、泥盆系、二叠系、三叠系以及侵入的花岗岩脉和花岗伟晶岩脉。
The stratigraphy is shown as volcanic formations of Devonian and volcanic-sedimentary formations of Lower Carboniferous.
矿田地层为泥盆系火山岩建造及下石炭统火山-沉积岩建造。
The Ghost Mountain Au deposit of Luangprabang exists in the Upper Palaeozoic Devonian sandstone, SLATE and Permian limestone.
琅勃拉邦魔鬼山金矿床，赋存于上古生界泥盆系砂、板岩和二叠系石灰岩中。
Limestone and dolomite in North Chinamainly occur in the Lower Paleozoic and those in South China in the Devonian - Triassic.
灰岩、白云岩在华北主要产于下古生界，在华南主要产于泥盆系-三叠系。
No lithostratigraphic unit has been set up for the Silurian-Devonian strata in the vicinity of the Jinsha River, western Sichuan.
川西金沙江一带的志留—泥盆纪地层，前人没有建立岩石地层单位。
This paper analysed the carbon and oxygen isotope composition of brachiopods fossils from the Devonian Period in Sichuan Province.
本论文对来自四川龙门山泥盆纪的腕足化石进行碳、氧同位素分析。
The metamorphic complex has a stripping fault (dynamic decollement belt of metamorphic deformation) contact with over Devonian strata.
其与上覆盖层—泥盆纪地层为剥离断层（动力滑脱变质变形带）接触。
Carboniferous: of, belonging to, or denoting a geologic division of the Paleozoic Era following the Devonian and preceding the Permian.
石炭纪的，石炭系的：(属于或表示)地质上的一个分段，即紧跟着泥盆纪而早于二叠纪的古生代的。
The deposit is located in clastic-carbonate sedimentary formation of neritic facies, the Middle Devonian Xihanshui Group Anjiacha Formation.
矿床产于中泥盆统西汉水群安家岔组浅海相碎屑-碳酸盐沉积建造中。
Liba gold deposit in Lixian, Gansu Province, belonging to altered fracture zone type, is hosted in Devonian epi-metamorphic fine clastic rocks.
李坝金矿床产于泥盆系浅变质细碎屑岩中，为一破碎带构造蚀变岩型金矿。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法，详细划分了双王地区的泥盆纪地层，论述了岩相古地理特征。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法，详细划分了双王地区的泥盆纪地层，论述了岩相古地理特征。
Middle-Upper Devonian coral reef assemblage was studied in Jinshan Dashishan region near the station of Panxi, Huaning of Eastern Yunnan Province.
滇东华宁盘溪火车站以北的金山—大石山地区发育中、晚泥盆世的丘状珊瑚礁。
Maanqiao gold deposit is a representative large scale deposit in Pb Zn Au (Ag Hg Sb) metallogenic belt of Devonian system on the south of Qinling.
马鞍桥金矿是南秦岭泥盆系铅锌金(银汞锑)多金属成矿带中具有代表性的大型金矿床。
The Ordovician and Devonian rocks did not yield reliable character remanence due to either too weak magnetization or dispersal remanent directions.
奥陶系-泥盆系的岩石则由于磁性太弱或方向不稳定，未能获得可靠的特征剩磁方向。
The Ordovician and Devonian rocks did not yield reliable character remanence due to either too weak magnetization or dispersal remanent directions.
奥陶系-泥盆系的岩石则由于磁性太弱或方向不稳定，未能获得可靠的特征剩磁方向。
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