geochronology n.地質年代學。 -chronologicaladj.
n. 地質年代學。 -chronological adj. “absolute geochronology“ 中文翻譯： 絕對地質年代學“idotopic geochronology“ 中文翻譯： 同位素地質年代學“isotope geochronology“ 中文翻譯： 同位素地質年代學“isotopic geochronology“ 中文翻譯： 同位素地球紀年學; 同位素地質年代學“quaternary geochronology“ 中文翻譯： 第四紀地質年代學“relative geochronology“ 中文翻譯： 相對地質年代學“amino acid geochronology“ 中文翻譯： 氨基酸年代學“geochronology of varve clay“ 中文翻譯： 紋泥地質年代“rubidium-strontium geochronology“ 中文翻譯： 銣鍶地質年代學“uranium-ionium geochronology“ 中文翻譯： 地質年代學“geochronologist“ 中文翻譯： 地質年代學家; 地質年代學者“geochronometer“ 中文翻譯： 地質年代學計; 地質時標; 地質時計“geochronologicunit“ 中文翻譯： 地質年代單位“geochronometric scale“ 中文翻譯： 地質編年表; 地質年表“geochronologicalunit“ 中文翻譯： 地質年代單位“geochronometry“ 中文翻譯： n. 地球測時學。 adj. -nometric “geochronological unit“ 中文翻譯： 地質年代單位“geochrony“ 中文翻譯： 地質年代學“geochronological system“ 中文翻譯： 地質年代學體系
geochronometry |
|
On the basis of systematic analysis and comparative research on jianchaling and jinchuan nickel sulflde deposit in geology and geochemistry , some conclusions can be drawn as follow : ( 1 ) re - os isotopic geochronology data define an precise 878 ? 6 ma isochon , suggest jianchaling nickel sulflde deposit would form in new proterozoic . the rock - forming process and metal logenesis happened on the whole , this deposit subordinates to magmatic deposit 通過對煎茶嶺和金川鎳礦床地質、地球化學的系統分析與比較研究，取得以下新的認識和進展： ( 1 ) re ? os同位素地質年代學研究表明，煎茶嶺硫化鎳礦床形成于878ma前的新元古代，成礦作用和成巖作用基本上是同時進行的，屬巖漿礦床。 |
|
According to the theory and study methods of comparative economic geology , the ore - forming geological background , geological feature , the elements geochemistry , the metallogenic geochronology about the two ore deposits and rock - bodys are systematic analysed , compared , and researched by means of new measure and assay technique . jianchaling nickel sulflde deposit is stress investigated in order to study similarities and differences between the two deposits in mineralization background , geochimistry , and metallogenesis , also to find the reasons for these , discuss the regularity of formation and distribution for the type deposit , and guide its exploration 本次工作依據比較礦床學的研究思路，在重點剖析煎茶嶺鎳礦床成礦地質、地球化學特征的基礎上，采用新的分析測試技術手段，對這兩個巖漿硫化鎳礦床從成礦地質背景、巖體及礦床地質特征、地球化學及成礦作用年代學等角度進行系統分析、比較和研究，找出二者的共同性和差異性，進一步更深刻地認識其成因并探討該類礦床形成與分布的規律性以指導找礦。 |
|
Through investigating and analyzing cave deposits samples at tuozidong of tangshan , nanjing , combining previous research results and geological history of the tangshan area , we discuss the geochronology , depositional processes and modes of the tuozidong cave deposits , and logically elaborates on its paleoenvironments , geomorphology , paleoclimate and biological evolution at tuozidong 摘要通過對南京湯山駝子洞洞穴堆積觀察描述和樣品分析測試，結合前人研究成果和湯山地區地質地貌演化的歷史，討論了駝子洞堆積的時代、堆積過程和方式，井對其蘊含的構造、地貌、氣候和生物進化等古環境信息進行了合理的挖掘。 |
|
K - ar age dating method is facing a serious challenge to its application due to that both ar loss and ar excess are widespread found even though it has been undergoing 50 years . in the latest few years of the 20th century , studies on k - ar geochronology have been pushing on a new step as a sign of method perfected and precision enhanced . high precision and high resolution Ar定年方法的完善和精度的提高為標志，把k - ar年代學研究推向了一個新高度。微區微量高精度高分辨定年，把定年時限擴展到人類歷史范疇，精細的分析技術拓寬了年代學的應用范圍，使之解決的地質問題更廣泛。 |
|
Geochronology research on the volcanic rock profile of the gazha cun group in the wuyii basin indicates that the 40ar - 39ar age of the post - collision volcanic rock is 12 - 14ma . and the granite that cut the volcanic rock is 10 . 84ma 羊應鄉火山巖樣品中透長石及黑云母的~ ( 40 ) ar - ~ ( 39 ) ar定年結果確認該區存在后碰撞火山巖，其噴發年齡在11ma左右。 |
|
A large number of studies of geochronology and geochemistry indicate that mesozoic intermediate - felsic rocks from the dabie orogen have originated from recycling of the subducted yangtze continental crust itself 摘要大量的同位素地質年代學和地球化學研究表明，大別山中生代中酸性巖為俯沖揚子陸殼再循環的產物。 |
|
The author summarizes the distribution law of gold deposits of fujian in space and time and studies the metallogenic epoch using the method of isotopic geochronology and geologic analysis 總結了金礦的時空分布規律，采用同位素測年和地質分析相結合的方法研究福建省金礦的成礦年代。 |
|
Zircon u - pb geochronology of granulites in panzhihua - xichang area : new evidence for the neoproterozoic geological evolution in the western margin of yangtze block 新元古代揚子陸塊西緣地質演化新證據 |
|
Fission track geochronology of xiaonanchuan pluton and the morphotectonic evolution of eastern kunlun since late miocene 東昆侖山小南川巖體裂變徑跡年代與中新世晚期以來的構造地貌演化 |
|
Nevertheless , the geochronology research in this area in the past is inadequate in both quantity and quality 然而，過去該區的同位素年代學研究工作無論在數量和質量上都顯得不足。 |
|
The laser microprobe dating drives k - ar geochronology into a new milestone at the end of 20th century 20世紀末激光顯微探針定年把k - ar年代學推向了新的里程碑 |
|
Zircon geochronology and ree in leucosome of neoproterozoic granite gneiss , jiaonan area 膠南新元古代花崗片麻巖中淡色脈體的鋯石年代學和稀土元素研究 |
|
Geochronology of the altun fault zone and rising of the altun mountains 阿爾金斷裂帶年代學和阿爾金山隆升 |