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1.The Plant Fossils of Upper Devonian Age in the Northwest Vicinity of Canton
广州西北郊上泥盆统植物化石收藏指正
2.It contains the deeply dissected Bungle Bungle Range composed of Devonian-age quartz sandstone eroded over a period of 20?
这些成行成列的塔形或圆锥形的山峦,由泥盆纪时代的石英砂构成。收藏指正
3.The paper presents a brief summary of current knowledge on the Early Devonian Posongchong flora, with its age, floral components and features discussed.
摘要简要回顾了目前云南早泥盆世坡松冲植物群的研究,论述了坡松冲植物群的时代、组成和性质。收藏指正
4.Accordlingly,the actual period of the volcanic rocks belongs to Devonian Period. Their K Ar isotopic age is 224-277 Ma,and represents the age of paleo ocean basin closure orogenesis and the age of volcanic rocks spilitization.
火山岩的 K-Ar法同位素年龄值为 2 2 4~ 2 77Ma,代表古洋盆闭合造山和火山岩细碧岩化的年代收藏指正
5.ON THE AGE OF SILURIAN AND DEVONIAN FISH-BEARING STRATA FROM EASTERN CHINA
关于华东志留、泥盆纪含鱼层时代的商榷收藏指正
6.the pb isotope age for ore galena is 481Ma, older than Devonian (438~410Ma);
由铅同位素分析结果计算出表面年龄为461~481Ma(早于泥盆纪438~410Ma);收藏指正
7.SOME REMARKS UPON "ON THE AGE OF SILURIAN AND DEVONIAN FISH-BEARING STRATA FROM EASTERN CHINA
对《关于华东志留、泥盆纪含鱼层时代的商榷》一文的意见收藏指正
8.Three Devonian formations, namely Middle Devonian Gudaoling (D_2g), Upper Devonian Nanyangshan (D_3n) and Xinghongpu (D_3x), acted as the major hosting sequences of gold deposits in the study area, and some gold deposits were also hosted by the Yuanjiagou Formation (C_1y) of Lower Carboniferous age.
本区含矿地层主要为中泥盆统古道岭组(D2g)、上泥盆统南羊山组(D3n)、星红铺组(D3x)和下石碳统袁家沟组(C1y)。收藏指正
9.Many Devonian basic dike swarms are found in the vicinity of the Yishan Lake and Mingjing Lake and a hornblende Ar-Ar age of 345.69±0.91 Ma is obtained.
在移山湖及明镜湖一带发现大量泥盆纪基性岩墙群,获得了345.69Ma±0.91Ma的角闪石Ar-Ar法同位素年龄值。收藏指正
10.The geochronologic unit is belonged to Early Age of Middle Devonian Epoch,and correspond to Eifelicus Stage-Jiweite Stage,and is belonged to Daminshan Formation of Devonian system.
时代属于中泥盆世早期,大体相当于艾菲尔阶-吉维特阶,应归属为大民山组。收藏指正
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