1983 Vol. 5, No. 4

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TYPICAL FEATURES AND GEQTECTONIC BACKGROUND OF THE FORMATION OF THE RENQIU BURIED-HILL OILFIELD
Chen Guoda, Fei Baosheng
1983, 5(4): 241-249. doi: 10.11781/sysydz198304241
Abstract:
The Renqiu buried-hill oilfield is one of the large and Prolific oilfields in China discovered in the middle of 1970s. This type of oilfields was formed in a specific geotectonic background, which have their distinctive characteristics, and is a klnd of oil-formation assemblages of so-called "younge...
CHARACTERISTICS OF THE WAVY MOSAIC STRUCTURES AND THEIR CONTROL OVER THE OIL AND GAS FIELD IN THE QAIDAM BASIN
Tang Xiyuan, Jiang Hongxun, Xie Guangcheng
1983, 5(4): 257-264. doi: 10.11781/sysydz198304257
Abstract(1084) PDF-CN(380)
Abstract:
The frameworks of the wavy mosaic structure of the Qaidam basin were formed by the crossing of the NE-trending outer-pacific structural belts and the NW-trending paleo-Mediterranean belts, on which overlapped the EW and NS trending structures, and thus makes the structural frameworks complicated, wh...
AN APPROACH TO THE SEDIMENTARY FACIES OF THE LARGE LACUSTRINE BASIN WATER-TRANSGRESSION DELTA IN SONGLIAO
Lin Yuxiu
1983, 5(4): 265-275. doi: 10.11781/sysydz198304265
Abstract:
This article discusses the sedim entary features of the delta of the Salatu and Putaohua pays, exemplifying by the Bei'an-Xingshugang Delta with the most plentiful informations available. It is pointed out that the delta in the Putaohua pay in K1y1 is a lacustrine water-transgression delta, whereas ...
PRELIMINARY APPROACH TO ENVIRONMENTAL INDICATORS OF DOLOMITZATION
Chen Yanhua, Sun Tuo, Liu Ying
1983, 5(4): 276-284. doi: 10.11781/sysydz198304276
Abstract:
This paper discusses types of the textures, petrology of dolomite, stable carbon and oxygen isotopic compositions and trace elements of the major members of Meso-Paleozoic dolomite in Jiangsu, Anhui, Hunan, Hubei, Sichuan and Yunnan provinces. Through this study, we came to know that the textures of...
1983, 5(4): 285-288. doi: 10.11781/sysydz198304285
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STUDY ON AGE OF A SPORO-POLLEN ASSEMBLAGE WITH NORMAPOLLES AND PRATEACEOUS
Hao Yuhong, Chen Minmin
1983, 5(4): 289-297. doi: 10.11781/sysydz198304289
Abstract:
Informations provided in this paper were from the anhydrite-containing mud-stone in the upper Menli formation of the Sanmenxia basin. The assemblage studied here has a variety of Normapolles, such as Nu-dopollis, Basopollis, Complexiopollis, Plicapollis, Sporopollis, Vacuo-pollis, etc., containing a...
1983, 5(4): 298-303. doi: 10.11781/sysydz198304298
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1983, 5(4): 304-307. doi: 10.11781/sysydz198304304
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1983, 5(4): 308-312. doi: 10.11781/sysydz198304308
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