1993 Vol. 11, No. 2
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1993, 11(2): 1-10.
Abstract:
Widely exposed in the western Henan,the Late Proterozoic Luoyu Group consists of sili-ciclastic rocks in the lower section and stromatolite dolostones and dolo-mudstones in the upper section, recording a complete transgressive-regressive depositional...
Widely exposed in the western Henan,the Late Proterozoic Luoyu Group consists of sili-ciclastic rocks in the lower section and stromatolite dolostones and dolo-mudstones in the upper section, recording a complete transgressive-regressive depositional...
1993, 11(2): 19-26.
Abstract:
A suit of late Proterozoic Sandstones and shales up to 2800m thick is wide-spreaded in Southern Anhui province. It has been identified by many researchers as a flysch according to a series of characteristics,such as rhythms,grading textures,contempor...
A suit of late Proterozoic Sandstones and shales up to 2800m thick is wide-spreaded in Southern Anhui province. It has been identified by many researchers as a flysch according to a series of characteristics,such as rhythms,grading textures,contempor...
1993, 11(2): 34-42.
Abstract:
The Xicheng Pb-Zn orefield locates in Gansu Province, is one of the most famous ore-fields in China. Its controlling horizon are Anjiacha and Xihanshui formations of the middle Devonian,and its ore-bearing rocks belong to marine clastic and carbonate...
The Xicheng Pb-Zn orefield locates in Gansu Province, is one of the most famous ore-fields in China. Its controlling horizon are Anjiacha and Xihanshui formations of the middle Devonian,and its ore-bearing rocks belong to marine clastic and carbonate...
1993, 11(2): 51-57.
Abstract:
Banna Formation is the source bedds and host rocks of fine-impregnation gold ore deposits in Northwest Guangxi. The formation is turbidites with 150-5000m thick,and composed of sandstone,siltstone,mudstone and mirl. Through statistical analysis of go...
Banna Formation is the source bedds and host rocks of fine-impregnation gold ore deposits in Northwest Guangxi. The formation is turbidites with 150-5000m thick,and composed of sandstone,siltstone,mudstone and mirl. Through statistical analysis of go...
1993, 11(2): 58-54.
Abstract:
Wongfu phosphorus deposits is a kind of sedimentary phosphorus deposits formed in Doushantou formation with era of Sinian,widely associated with silicified rocks which were formed by means of replacing original rock(such as phosphorate,dolomite.etc. ...
Wongfu phosphorus deposits is a kind of sedimentary phosphorus deposits formed in Doushantou formation with era of Sinian,widely associated with silicified rocks which were formed by means of replacing original rock(such as phosphorate,dolomite.etc. ...
1993, 11(2): 84-90.
Abstract:
Storm current is a special current caused by strom in littoral and sea bottom which has both characters of gravitationsl and tractive current. The limited base effected by storm is called as storm wave base. When sediments deposit on the base,it woul...
Storm current is a special current caused by strom in littoral and sea bottom which has both characters of gravitationsl and tractive current. The limited base effected by storm is called as storm wave base. When sediments deposit on the base,it woul...
1993, 11(2): 99-104.
Abstract:
The suspended load in sea waters off Zhujiang (pearl) River Mouth and on its vicinal shelf was studied by grain-size analysis and mineralogical and microbiological assays on more then 100 specimens collected in four cruises in 1985 and 1986. The dist...
The suspended load in sea waters off Zhujiang (pearl) River Mouth and on its vicinal shelf was studied by grain-size analysis and mineralogical and microbiological assays on more then 100 specimens collected in four cruises in 1985 and 1986. The dist...
1993, 11(2): 113-117.
Abstract:
Three new structural tricyclic diterpenes are first reported in this paper. They are examined in the recent sediments of Qinghai Lake and their eluting time is between bicylic ter-panes of long chain and tetracyclic diterpanes of m/z 123 mass chromat...
Three new structural tricyclic diterpenes are first reported in this paper. They are examined in the recent sediments of Qinghai Lake and their eluting time is between bicylic ter-panes of long chain and tetracyclic diterpanes of m/z 123 mass chromat...
1993, 11(2): 124-132.
Abstract:
Kerogen is the direct original material of oil-forming. To determine the type and the mature degree of kerogen is one of the important work in petroleum geology. While studing the clay minerals of Baise Basin,Guangxi,the authors made some detialed wo...
Kerogen is the direct original material of oil-forming. To determine the type and the mature degree of kerogen is one of the important work in petroleum geology. While studing the clay minerals of Baise Basin,Guangxi,the authors made some detialed wo...
1993, 11(2): 11-18.
Abstract:
Dolostones are very common in the Lower Paleozoic of eastern North-China Platform, and can be divided into mud-silt-sized crystalline dolostones and fine-coarse crystalline dolostones. The former includes gypsiferous and non-gypsiferous; the later in...
Dolostones are very common in the Lower Paleozoic of eastern North-China Platform, and can be divided into mud-silt-sized crystalline dolostones and fine-coarse crystalline dolostones. The former includes gypsiferous and non-gypsiferous; the later in...
1993, 11(2): 27-33.
Abstract:
Characteristized by hemipelagic thinly-bedded lime mudstones interbedded with limestone breccias derived from gravity flow,the Middle-Ordovician Jinsushan Formation yields abundant trace fossils,but the are not evently vertical distributed. A brief d...
Characteristized by hemipelagic thinly-bedded lime mudstones interbedded with limestone breccias derived from gravity flow,the Middle-Ordovician Jinsushan Formation yields abundant trace fossils,but the are not evently vertical distributed. A brief d...
1993, 11(2): 43-50.
Abstract:
Massive dodlostone are widely developed in the strata of Sinian, Cambrian, Ordovician and Carboniferous in the northwestern margin of Trim Basin,three types can be divided according to the shape and size of dolomite in them. 1. Dolostone composed of ...
Massive dodlostone are widely developed in the strata of Sinian, Cambrian, Ordovician and Carboniferous in the northwestern margin of Trim Basin,three types can be divided according to the shape and size of dolomite in them. 1. Dolostone composed of ...
1993, 11(2): 55-74.
Abstract:
Several Early Silurian storm-wave genesis of bioclastic limestone beds which deposited on the muddy shelf have been recognized from NW Sichuan area. The Early Silurian deposited at the NW margin of the S-China Paleo-plate tectonically and it has the ...
Several Early Silurian storm-wave genesis of bioclastic limestone beds which deposited on the muddy shelf have been recognized from NW Sichuan area. The Early Silurian deposited at the NW margin of the S-China Paleo-plate tectonically and it has the ...
1993, 11(2): 75-83.
Abstract:
The volcaniclastic turbidites which are characterized by more than 25% pyroclastic contents and by the Bouma sequence are widely distributed in the Upper Devonian of east Jung-gar, the lower part of the Lower Devonian and the Upper Devonian of west J...
The volcaniclastic turbidites which are characterized by more than 25% pyroclastic contents and by the Bouma sequence are widely distributed in the Upper Devonian of east Jung-gar, the lower part of the Lower Devonian and the Upper Devonian of west J...
1993, 11(2): 91-98.
Abstract:
The area of northern Jiangsu and Anhui provinces locates on the southeastern edge of Huabei massif (Sino-Korean massif),and is one of the key areas for the division and correlation of Upper Proterozic in China. Since late 80's,some geologists have re...
The area of northern Jiangsu and Anhui provinces locates on the southeastern edge of Huabei massif (Sino-Korean massif),and is one of the key areas for the division and correlation of Upper Proterozic in China. Since late 80's,some geologists have re...
1993, 11(2): 105-112.
Abstract:
Sea area around Liaohe Estuary refer the region between Liaohe Estuary to the east and Xiaolinghe Estuary to the west,which's water depth is defined as 10m shallower. Drainages where enter into the sea are liaohe.Shuangtaihe, Dalinghe and Xiaolinghe ...
Sea area around Liaohe Estuary refer the region between Liaohe Estuary to the east and Xiaolinghe Estuary to the west,which's water depth is defined as 10m shallower. Drainages where enter into the sea are liaohe.Shuangtaihe, Dalinghe and Xiaolinghe ...
1993, 11(2): 118-123.
Abstract:
Modern mud of Dachaidan Lake and the mudstone of the Pliocene sampled from Well Nan-4 both were formed under drought climate. GC and GC-MS had been used to the saturated fraction of hydrocarbons of the samples and the results revealed that;the distri...
Modern mud of Dachaidan Lake and the mudstone of the Pliocene sampled from Well Nan-4 both were formed under drought climate. GC and GC-MS had been used to the saturated fraction of hydrocarbons of the samples and the results revealed that;the distri...
1993, 11(2): 133-140.
Abstract:
The black shales and dolostones intercalcated with them had been researched petrologi-cally and geochemically of middle Permian Lucaogou Formation,eastern part of southern. Margin of Junggar Basin. The great similarity between them has been found. Ba...
The black shales and dolostones intercalcated with them had been researched petrologi-cally and geochemically of middle Permian Lucaogou Formation,eastern part of southern. Margin of Junggar Basin. The great similarity between them has been found. Ba...
