1985 Vol. 3, No. 3
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1985, 3(3): 1-6.
Abstract:
According to their fabric features, Sinian-Cambrian Phosphorites in South China can be classified into three major basic types: micrograined, grained and crust-grained phosphorites, among which the textural component of the crust-grained phosphorite ...
According to their fabric features, Sinian-Cambrian Phosphorites in South China can be classified into three major basic types: micrograined, grained and crust-grained phosphorites, among which the textural component of the crust-grained phosphorite ...
1985, 3(3): 23-31.
Abstract:
The paper covers eight families and ten species of trace fossils in the non-marine turbidite deposits of the Lower Jurassic age from the Jiyuan-Yima district, western Henan, among which two families and three species are new. And trace fossils of typ...
The paper covers eight families and ten species of trace fossils in the non-marine turbidite deposits of the Lower Jurassic age from the Jiyuan-Yima district, western Henan, among which two families and three species are new. And trace fossils of typ...
1985, 3(3): 45-49.
Abstract:
urface textures of quartz sand in 9 bottom samples from this region were studied. 150 quartz sand grains ( 0.25-0.5mm ) were observed with the scanning electron microscope. Our research shows that the surface of quartz sand have the traces of chemica...
urface textures of quartz sand in 9 bottom samples from this region were studied. 150 quartz sand grains ( 0.25-0.5mm ) were observed with the scanning electron microscope. Our research shows that the surface of quartz sand have the traces of chemica...
1985, 3(3): 65-73.
Abstract:
The source rocks from the first,third and fourth sections of Shahejie formation of Zhanhua depression have been analyzed by PY-GC and PY-GC-MS in this study and a detective method of multiple ions is employed to determine the triterpanes and triterpe...
The source rocks from the first,third and fourth sections of Shahejie formation of Zhanhua depression have been analyzed by PY-GC and PY-GC-MS in this study and a detective method of multiple ions is employed to determine the triterpanes and triterpe...
1985, 3(3): 87-94.
Abstract:
The paper covers three aspects to redestuction and retransformation traces of quartz gravels. 1 Redestruction and retransformation traces result inevitablly from various geological actions after gravel accumulation. The non-transformed redestraction ...
The paper covers three aspects to redestuction and retransformation traces of quartz gravels. 1 Redestruction and retransformation traces result inevitablly from various geological actions after gravel accumulation. The non-transformed redestraction ...
1985, 3(3): 105-114.
Abstract:
Xiaotianjing manganese deposit,Heqing in west Yunnan occurs in the transitional zone of limestone ( T3Sn2-2 ) and mudstone (T3S.n2-1) of the Upper Triassic Sungkuei group. Its surface is pyrolusite which is gradually substituted by rhodoch-rosite alo...
Xiaotianjing manganese deposit,Heqing in west Yunnan occurs in the transitional zone of limestone ( T3Sn2-2 ) and mudstone (T3S.n2-1) of the Upper Triassic Sungkuei group. Its surface is pyrolusite which is gradually substituted by rhodoch-rosite alo...
1985, 3(3): 125-129.
Abstract:
The terrigenous clastic sedimentary rock is absolute majority in the coaly sedimentary series, its grain-size texture is mixed.with various degrees of matrixes. When the sediments transtorm from the transportation of high-energy environment into lowe...
The terrigenous clastic sedimentary rock is absolute majority in the coaly sedimentary series, its grain-size texture is mixed.with various degrees of matrixes. When the sediments transtorm from the transportation of high-energy environment into lowe...
1985, 3(3): 7-22.
Abstract:
The region of west Hunan and east Guizhou is at the northwestern border of the Cambrian marginal sea in south China.In this region a deep-water carbonate slope with tendency southwestward had developed since Qingxudong period of Early Cambrian. A hug...
The region of west Hunan and east Guizhou is at the northwestern border of the Cambrian marginal sea in south China.In this region a deep-water carbonate slope with tendency southwestward had developed since Qingxudong period of Early Cambrian. A hug...
1985, 3(3): 33-44.
Abstract:
The Yangquan coal distrct is located in the eastern part of Shanxi. It's area is about 275 km2 and coal resources are rich there. It is one of the main coal bases in China. The main coal-bearing formations in this area——Taiyuan Group and Shanxi Forma...
The Yangquan coal distrct is located in the eastern part of Shanxi. It's area is about 275 km2 and coal resources are rich there. It is one of the main coal bases in China. The main coal-bearing formations in this area——Taiyuan Group and Shanxi Forma...
1985, 3(3): 51-64.
Abstract:
Different clay mineral assemblages and their replacement have been formed in different sedimentary and diagenetic environments in the western depression ( Huan-xiling, Xinglongtai and Maquanzhi ): 1.Montmorillonite-I/M-illite-kaolinite mineral assemb...
Different clay mineral assemblages and their replacement have been formed in different sedimentary and diagenetic environments in the western depression ( Huan-xiling, Xinglongtai and Maquanzhi ): 1.Montmorillonite-I/M-illite-kaolinite mineral assemb...
1985, 3(3): 74-85.
Abstract:
Four depositional characteristics of coarse clastic alluvial fans have been recognized in the investigations performed on recent and ancient fans in Xinjiang.Such features have not ,been paid attention to,or even never been described in previous lite...
Four depositional characteristics of coarse clastic alluvial fans have been recognized in the investigations performed on recent and ancient fans in Xinjiang.Such features have not ,been paid attention to,or even never been described in previous lite...
1985, 3(3): 95-104.
Abstract:
The Quaternary red clays which may probably belong to respective sedimentary facies are widely dispersed in South China. The period of the Quaternary red clays has been divided in middle Pleistocene ( Q 2 ) . They are charecterized by red color, clay...
The Quaternary red clays which may probably belong to respective sedimentary facies are widely dispersed in South China. The period of the Quaternary red clays has been divided in middle Pleistocene ( Q 2 ) . They are charecterized by red color, clay...
1985, 3(3): 115-124.
Abstract:
In this paper, the types, composition, distribution and origin of the main clay minerals of sadiments in the middle of the Pleific Oeean are initially analysed and studied, -which offers an important insight into the understanding of the sediments in...
In this paper, the types, composition, distribution and origin of the main clay minerals of sadiments in the middle of the Pleific Oeean are initially analysed and studied, -which offers an important insight into the understanding of the sediments in...
