Geochemical characteristics of paleoseawater from the Early Ordovician of Yangtze Craton: Evidence from the trace elements in conodonts;
扬子克拉通早奥陶世古海水地球化学特征:来自牙形石微量元素的证据
Based on the study about silurian conodonts in the northern section of Longmen Mountain,4 conodont zones,including 6 subzones,were built in this area for the first time.
作者通过对龙门山北段志留纪牙形石的研究,首次建立了本区的牙形石带四个,亚带六个,自下而上为Spathognathodus obesus带,包括上、下两个亚带A和B;Spathognathodus parahassi—P。
During 1∶50000 regional geological and mineral survey,some conodonts fossils such as of Streptognathodus suberectus,Idiognathoides sinuate et al.
1∶5万区域地质矿产调查于东天山库姆塔格沙垄地区康古尔塔格深大断裂北侧灰岩中,发现了Streptognathodus suberectus,Idiognathoides sinuata等牙形石,确认其地质时代为晚石炭世达拉阶,该套地层归属哈尔里克地层小区底坎儿组,具有弧后盆地建造特色。
Triassic conodont biostratigraphy in the Coqên area, western Gangdise, Tibet, China;
西藏冈底斯西段措勤地区三叠纪牙形石生物地层特征
Discovery of Permian and Triassic conodonts in the Shiquanhe area, Ngari, western Tibet, Chian and their significances;
西藏西部狮泉河地区二叠纪和三叠纪牙形石的发现及其意义
The Late Carboniferous conodont Neognathodus fauna in Xainza,Tibet,China,and its significance.;
西藏申扎地区晚石炭世牙形石Neognathodus动物群的特征及其意义
Little is known about the evolutionary trends of the coniform paraconodonts.
单锥副牙形石的演化趋向尚不清楚。
Nine conodont zones, two conodont assemblage zones and one graptolite zone have been distinguished in a descending order, resulting in the establishment of six stages, i.
首次提供了四川盐边地区从下志留统至下泥盆统连续的志留系年代地层系统的实际证据和原始材料,由上而下建立8个牙形石带,2个牙形石组合带和1个笔石带,以此为依据建立了攀枝花阶、永兴阶、箐河阶、叉河阶、透底河阶和支六阶,分别归入下泥盆统、顶志留统、上志留统、中志留统和下志留统,为我国志留系安康阶以上地层的建阶研究工作提供了实际的基础资料。
from 425 million to 500 million years ago; conodonts and ostracods and algae and seaweeds.
牙形石、介形亚纲动物、藻类植物。
STUDY ON THE CAMBRIAN-ORDOVICIAN CONODONTS FROM ZHUJI,ZHEJIANG
浙江诸暨地区寒武-奥陶系牙形石研究
Research on Conodont Evolution Across the Permian/Triassic Boundary in South China;
华南二叠—三叠纪之交牙形石演化研究
ORDOVICIAN CONODONT BIOSTRATIGRAPHY IN HEXIAN,ANHUI PROVINCE
安徽和县奥陶纪牙形石生物地层的研究
UPPER PERMIAN CONODONT COLOR AND ORGANIC MATURITY IN SICHUAN BASIN
四川盆地上二叠统牙形石颜色与有机质成熟度
Ordovician System and Conodonts of Tungshan and Xianning, Hubei
湖北通山、咸宁地区奥陶纪地层和牙形石
CONODONT COLOUR ALTERATION OF DEVONIAN AND ITS SIGNIFICANCE ON OIL AND GAS EXPLORATION IN GUANGXI
广西泥盆系牙形石色变及其对油气勘探的意义
DISCUSSION OF GENUS PROCONODONTUS FROM TOP CAMBRIAN
对寒武系顶部发育的原牙形石属的讨论
A Study on the Conodont Biostratigraphy of the Ordovician in Nanpu Depression in Hebei Province
冀东油田南堡凹陷奥陶系牙形石生物地层研究
MEI Shi-long,1991.Middle and Late Cambrian conodont and trilobite biostratigraphy in Wanxian,Hebei.Unpublished Ph.D thesis of Peking University.
武桂春,2003.鲁西地区晚寒武世牙形石.北京大学博士研究生学位论文.
The Middle Ordovician conodont Fauna and the Discovery of the Fengfeng Formation in the Pianguan Area, Shanxi Province
山西省偏关地区中奥陶统牙形石动物群及峰峰组的确立
MIDDLE CAMBRIAN CONODONT FAUNA,PALEOECOLOGY AND TECTONICS OF QILIAN MOUNTAIN
祁连山中寒武世牙形石动物群、古生态和板块构造
RESEARCH ON THE CONODONT NEAR THE BOUNDARY BETWEEN CAMBRIAN AND ORDOVICIAN SYSTEMS IN JIANGSHAN-YANGLIUGANG REGION, ZHEJIANG PROVINCE
浙江省江山杨柳岗寒武—奥陶系界线附近牙形石的研究
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
LATE MIDDLE AND EARLY LATE CAMBRIAN CONODONTS FROM HUAYUAN,HUNAN
湖南花垣中寒武世晚期至晚寒武世早期牙形石动物群(英文)
Conodont Colors and Organic Maturities from the Northern Renion of North China
华北北部上寒武统——奥陶系牙形石颜色与有机质成熟度
a limestone promontory at the southern tip of Spain; controlled by Britain; strategically important because it can control the entrance of ships into the Mediterranean.
西班牙南端的石灰石地形的海峡。
Within 24 hours, plaque can harden to form tartar, which can only be removed by a professional.
24小时内，牙垢膜便会硬化，形成牙石，必需由牙医清除。