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2005 Vol. 16, No. 3

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The Earlier Spreading of South China Sea Basin due to the Late Mesozoic to Early Cenozoic Extension of South China Block: Structural Styles and Chronological Evidence from the Dulong-Song Chay Metamorphic Dome, Southwest China
Danping Yan, Meifu Zhou, Yan Wang, Taiping Zhao
2005, 16(3): 189-199.
Abstract:

To understand the forming and tectonic evolution of the South China Sea basin, new data of the structural styles and geochronology were obtained from the Dulong-Song Chay dome, southeastern Yunnan and northern Vietnam. The structural styles were acquired through field investigation and geo-chronolog...

Foraminifera in Cenozoic Paleoenvironments
McGowran Brian
2005, 16(3): 200-218.
Abstract:

Paleontologists search the fossil record for evidence of age, ancient environments, phylogenetic reconstructions and ancient communities. Cenozoic foraminifera preserve evidence for all of these simultaneously from the water column and from at, above and below the sediment/water interface. As our un...

Unique Marine Olenekian-Anisian Boundary Section from South Primorye, Russian Far East
Zakharov Yuri D, Popov Alexander M, Buryi Galina I
2005, 16(3): 219-230.
Abstract:

To show paleontological characteristics of the Olenekian-Anislan boundary beds in the Russian Far East, a review of new data on the Upper Olenekian and Lower Anisian biostratigraphy of South Primorye is given on the basis of five sections: Golyi Cape, Petrovka River, Zhitkov Peninsula, Tchernyschew ...

Sequence-Stratigraphic Framework from the Carboniferous to the Permian Chuanshanian Epoch in Dianqiangui Basin and Its Adjacent Areas, Southwest China
Mingxiang Mei, Yongsheng Ma, Jun Deng, Qingfen Meng, Donghai Li
2005, 16(3): 231-249.
Abstract:

The Carboniferous can be divided into four series in the Dianqiangui basin and its adjacent areas, Southwest China: the Yanguanian series, the Datangian series, the Weiningian series and the Mapingian series. The Maping Formation, traditionally used as the lithostraUgraphic unit of the Upper Carboni...

Gold Minerogenetic Prognosis Using Satellite Data: Case Study of Paishanlou Gold Mine, Liaoning Province, China
Malogo J M Kongola, Ende Wang
2005, 16(3): 250-255.
Abstract:

The major scientific goal of using satellite data for mineral prospecting in the study area was two-fold: (a) mapping geology, faults and fractures that localize ore deposits; (b) recognizing hydrothermally altered rocks by interpreting their spectral signatures. The lithology, properties, and geolo...

Application of Multifocusing Method for an Irregular Topography Imaging
Yinhe Luo, Jiangping Liu, Yao Yao
2005, 16(3): 256-261.
Abstract:

A stack of records becomes one of the main steps in modern seismic data processing. In the stack procedure, the crucial operation is time correction. Conventional methods, e.g., normal moveout (NMO) and dip moveout (DMO) stacks require a sufficiently accurate macro-velocity model, whereas a multifoc...

Mathematical Model of the Geothermal Water Resources in the South Hot Spring System in Chongqing
Dongyan Liu, Yunju Luo, Xinrong Liu
2005, 16(3): 262-267.
Abstract:

The geothermal waters of south hot spring, small hot spring and Qiaokouba in Chongqing, are all part of the south hot spring geothermal water system. Exploitation has caused a decline in the water levels of the south and small hot springs, which have not flowed naturally for 15 years. Now, bores pum...

Numerical Method for Modeling the Constitutive Relationship of Sand under Different Stress Paths
Qingyang Ren, Jingtao Wang
2005, 16(3): 268-270.
Abstract:

A numerical method was used in order to establish the constitutive relationship of sands under different stress paths. Firstly, based on the numerical method modeling the constitutive law of sands, the elastoplasticcon stitutive relationship of sand was established for three paths: the constant prop...

An Analysis for Cross Beam-Ground Anchor Reinforcement
Yingzi Xu, Baiqing Zhang, Huiming Tang
2005, 16(3): 271-276.
Abstract:

With the rapid development of water facilities, hydroelectric projects, highways and railways in China, beam-anchor reinforcement has been widely used to stabiliZe slopes in recent years. But the theory for the design of beam-anchor reinforcement is far behind the application. Cross beam-ground anch...

Analysis on Bearing Capacity of Tunnel-Type Anchorage of a Long-Span Suspension Bridge
Yu Zhu, Jun Wei, Manjuan Yang, Hao Li, Hongqing Liu
2005, 16(3): 277-282.
Abstract:

Due to complicated rock structure and environment, a prototype test for a tunnel-type anchorage is infeasible. Based on the rock mass parameters from tests, a three-dimensional (3D) elasto-plastic analysis was performed to simulate the influence of the construction procedure of Siduhe bridge with tu...