二叠-三叠系界线,Permian-Triassic boundary
1)Permian-Triassic boundary二叠-三叠系界线
1.Conodonts from the Permian-Triassic boundary beds at the Huangzhishan Section, Zhejiang are systematically studied for the first time, with a total of 16 species assigned to 2 genera.首次系统研究浙江黄芝山剖面二叠-三叠系界线附近的牙形类化石,共鉴定2属16种,并据此识别出5个牙形类化石带,从下至上依次为:Clarkina changxingensis changxingensis带,C。
2.The carbon isotopes of the marine carbonate rocks of the permian strata and Permian-Triassic boundary were analyzed in Guangyuan and Chongqing of Sichuan province, and in Luodian of Guizhou province.本文报道了贵州罗甸沫阳、四川广元上寺和重庆中梁山二叠系及二叠-三叠系界线附近海相碳酸盐岩的碳同位素测定结果。
英文短句/例句

1.Continental Permo-Triassic Boundary Stratotype in West Dalongkou,Jimsar,Xinjiang新疆西大龙口陆相二叠-三叠系界线剖面地质遗迹评价与保护研究现状
2.Fluctuations of Stable Carbon Isotopes around the Permian-Triassic Boundary in Huaying of Sichuan,South China:Its Characteristics and Biogeochemical Origin四川华蓥二叠-三叠系界线剖面稳定碳同位素变化特征及其生物地球化学循环成因
3.RESEARCH OF PERMIAN-TRIASSIC BOUNDARY STRATA,IN WEST QINLING AREA西秦岭地区二叠—三叠系界线地层研究
4.EARLIEST TRIASSIC AMMONOID FAUNAS FROM JIANGSU AND ZHEJIANG AND THEIR BEARING ON THE DEFINITION OF PERMO-TRIASSIC BOUNDARY论苏、浙一带三叠纪最早期的菊石群及二叠系—三叠系界线的定义
5.The Anomaly of Carbon and Oxygen Isotopic Compositions Across the Permian--Triassic Boundary in Northwest Guangxi, South China, and Its Significance广西西北部二叠系—三叠系界线碳、氧同位素组成异常及其意义
6.The Characteristics of Strontium Isotopes Composition about Permian-Triassic Boundary in the Great Bank of Guizhou大贵州滩二叠系—三叠系界线附近锶同位素组成特征
7.Study of trace element geochemistry of Permian-Triassic Boundary in Emei Mountain,Sichuan四川峨眉山地区二叠系与三叠系界线微量元素地球化学研究
8.Geochemical Characteristics of Trace Element of Permian-Triassic Boundary Strata in Western Margin of Yangtze Block;扬子地台西缘二叠—三叠系界线地层微量元素地球化学特征研究
9.Mineral and Geochemical Explaination of Boundary Events;二叠—三叠纪界线事件的矿物学、地球化学解译
10.CARBONIFEROUS-PERMIAN BOUNDARY OF NORTH QILIAN DISTRICT北祁连地区石炭——二叠系界线问题
11.Study on Sequence Stratigraphic Framework of the Permian and Triassic in the Dian-Qian-Gui Area;滇黔桂地区二叠系—三叠系层序地层格架研究
12.PERMIAN AND TRIASSIC TURBIDITE AND ITS TECTONIC SIGNIFICANCE IN THE NORTHWESTERN ZHEJIANG浙西北二叠、三叠纪浊积岩系及其大地构造意义
13.Study on Characteristics of the Formation Pressure Distribution of Permian-Triassic in Puguang Region普光地区二叠—三叠系地层压力分布特征研究
14.Characteristic of the Flora in the Zhenzhuchong Formation and the Jurassic-Triassic Boundary in the Sichuan Basin四川盆地珍珠冲组植物群特点及侏罗系与三叠系界线的厘定
15.The Biotic Groups and Stratigraphic Subdivision of Late Paleozoic Era in Tengxian Coalfield of Shandong-On Carboniferous-Permian Boundary;山东滕县煤田晚古生代生物群及地层划分—兼论石炭—二叠系界线
16.CONODONT BIOSTRATIGRAPHY NEAR THE LADINIAN-CARNIAN BOUNDARY INTERVAL IN GUANLING OF GUIZHOU贵州三叠系拉丁阶-卡尼阶界线层牙形石生物地层
17.Distribution Characteristics of Upper Permian-Lower Trias and Hydrocarbon Exploration in the South of the Southern Yellow Sea;南黄海南部二叠系上统—三叠系下统的分布特征及油气勘探的意义
18.Floras and the Evolutionary Dynamics Across the Permian-Triassic Boundary Nearby the Border of Guizhou and Yunnan, South China;黔西滇东地区二叠系—三叠系之交古植物群及其演化动力
相关短句/例句

Permian_Triassic boundary二叠-三叠系界线
1.The study on Permian_Triassic boundary (PTB) in South China has been one of the most important topics among geologists all over the world.华南二叠-三叠系界线研究一直在地学界备受瞩目。
2.Based on detailed investigation of the sedimentology and conodont faunas on the Permian_Triassic boundary strata of the Meishan section, Zhejiang Province, South China, a new paleoecological model about two important genera Hindeodus and Clarkina (or Neogondolella ) is proposed.通过对浙江长兴煤山剖面二叠-三叠系界线层沉积相分析及牙形石演化规律研究,提出了该时期Clarkina(Neogondolela),Hindeodus两类重要牙形石属的生态新模式。
3)Permian-Triassic boundary二叠系-三叠系界线
1.By combining the carbon cycle model with the records of carbonate and organic (kerogen) carbon isotope composition, this paper presents the calculation of the fraction of organic carbon burial (forg) of beds 23-40 at the GSSP of the Permian-Triassic boundary at Meishan, Zhejiang Province.根据碳酸盐碳同位素和有机(干酪根)碳同位素记录,结合碳循环模式,计算得到了浙江煤山全球二叠系-三叠系界线层型剖面第23-40层的有机碳埋藏分数forg。
2.This is an important discovery in the study of Permian-Triassic Boundary(PTB)sections of the terrestrial and marine-terrestrial transitional facies.Ophiceras(蛇菊石)在滇东海陆交互相卡以头组下部(25层下部)的首次发现,是近期海陆交互相和陆相二叠系-三叠系界线(PTB)研究的重要进展之一。
4)Permian/Triassic boundary二叠系/三叠系界线
1.Clay minerals in the clay beds near the Permian/Triassic boundary at Huaying Mountain, eastern Sichuan, China: their types and origin.;川东华蓥山二叠系/三叠系界线附近粘土层中粘土矿物的类型及成因
5)Permian-Triassic boundary section二叠系-三叠系界线地层
6)terrestrial Permian-Triassic boundary陆相二叠系-三叠系界线
延伸阅读

三叠系  见三叠纪。