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- INFORMATION ANALYSIS OF ISOTOPIC GEOLOGY AGE DATA FROM NORTHWESTERN HUBEI 鄂西北同位素地質年齡數據信息分析
- METHODS FOR CALCULATION OF ISOTOPE GEOLOGICAL AGE BY USING OF THE Os/Re RATIO IN MOLYBDENITE 利用輝鉬礦中Os/Re比值計算同位素地質年齡的方法
- isotopic geological ages 同位素地質年齡
- ASSEMBLAGE OF DATA OF ISOTOPE GEOLOGIC AGE, XINJIANG 新疆同位素地質年齡數據彙編
- The first Sm-Nd synchrone obtained in China with Sm-Nd methods is introduced and Sm-Nd isotopic geological dating in Early Archaean rocks in eastern Hebei has been determined. 適合低含量Sm,Nd的加壓離子交換法。 同時介紹應用Sm-Nd法得出的我國第一條Sm-Nd等時線,測出了冀東早太古代岩石Sm-Nd同位素地質年齡。
- The lithology of karst is pure carbonatite at geological age of intermediate Cambrian and intermediate Ordovician. 北方岩溶和岩溶水的開發利用,見於碑刻者亦可追溯至1000年前。
- A checklist of all described Ephemeroptera fossils, with their distribution and geological age is provided. 描述了不同地質時期主要蜉蝣化石的分類單元和分佈地區。
- The ambers from the different localities may be of the same geological age, but exit the different ETIR absorption bands and strength according to the different polymeric grade. 不同產地的琥珀雖具有同樣的地質年代，但由於聚合化程度不同，其紅外吸收光譜峰的位置和強度存有差異。
- It is about 7000 million years old measured by isotope geological method. 假如該坑與上述三個隕石坑是同一系列的外來天體撞擊地球事件。
- It could be confirmed that the geological age of both the Tongzi Fauna in Guizhou Province and the Maba Fauna in Guangdong Province lies in Late Pleistocene. 即貴州桐梓人和廣東馬壩人動物群的地質時代為更新世晚期。
- The geological age, stratigraphic subdivision and correlation of the "High Resistivity Red Bed" in the Dongpu Depression, Bohai Sea Coastal Basin, has been an unresolved question. 摘要渤海沿岸盆地東濮凹陷內發育的「高阻紅」地層的地質時代歸屬和劃分對比問題長期以來一直存在爭議。
- A remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust. 化石埋置並保存於地層中的古生物遺體、遺物和其生活遺址，如骨骸、葉子的印痕等
- Based on the research of the fossil wood specimens, the authors propose that the geological age of the angiospermous fossil wood group and the paleogravel bed in Yangluo is Neogene of Cenosoic. 通過實地調查、室內製片、對比等研究方法，推斷出武漢陽邏被子植物化石木群與古礫石層的地質時代屬新生代新近紀。
- It is dominated by Dictyotriletes (20. 5%), Dycospora(16. 3%),Dibolisporites(9. 7%) and Reliculataspores (8. 5%). The geological age is assumed to be Early Carboniferous Tournaisian. 組合中以Dictyotriletes（20.;5%25），Lycospora（16
- This paper indicates the reasons of establish member and introduces its origin and stratotype section, as well as its extend and correlation.At last, its geological age is discussed. 文中闡述了建段的理由，介紹了名稱來源、層型剖面、地層的延伸與對比，討論了地質時代。
- The geological age, stratigraphic subdivision and correlation of the 「High Resistivity Red Bed」 in the Dongpu Depression,Bohai Sea Coastal Basin, has been an unresolved question. 渤海沿岸盆地東濮凹陷內發育的「高阻紅」地層的地質時代歸屬和劃分對比問題長期以來一直存在爭議。
- The geological age of the earth warm and humid climate, over the river connecting Lake swamp large tracts of land on the true fern, cycads, gymnosperms and conifer wood is very busy. 這一地質年代，地球上氣候溫暖濕潤，密布的河流連接著大片的湖泊沼澤，陸地上的真蕨、蘇鐵、裸子植物及針葉樹木十分繁盛。
- Chemical Th-U-total Pb isochron dating is a new method to calculate the geological ages based on EMPA dada of U, Th and Pb. 化學定年方法是利用電子探針分析副礦物中的U、Th、Pb含量而進行定年的一種新方法。
- There are different geological ages of growth strata in antichne limbs of different structural zonrs,showing the different emplacement agse of the structural zones. 在不同構造帶發育不同時代的生長地層，指示了各構造帶不同的構造變形年代。
- There are different geological ages of growth strata in antichne limbs of different structural zones，showing the different emplacement ages of the structural zones. 在不同構造帶發育不同時代的生長地層，指示了各構造帶不同的構造變形年代。
