Research on Algorithm M8 Applying to TIP Prediction of China's Strong Earthquake Cases in the Past Decades

This paper offers a positive research result of TIP before 16 strong earthquakes in North and Southwest China and their nearby areas since 1979 by using improved algorithm M8.The result showed that 14 of them were determined to occur within the times of increased probability.TIP precaution occupies about 37% of the total space-time domain.That means we have made quite good results of intermediate-term prediction of strong earthquakes.So the method could be used as one of the useful means of the intermediate-term prediction of strong earthquakes.     

Characteristics of Fault Gouge from the Northwest-Trending Faults in Western Shandong and Its Seismogeological Significance

A systematical study is made on the characteristics of fault gouge from NW-trending faults in western Shandong.The macroscopic features of the fault gouge zones were investigated.From the data on surface structure of quartz fragments from the fault gouge and its maturity,the relative age,the movement mode,the rupture pattern,and the activities of the NW-trending faults are determined.Moreover,their seismogeological significance and some problems in study of fault gouge are discussed.     

The Feature of Segmentation Activity on the Northern Segment of the Anninghe Fault Zone Since Late Pleistocene

Based on fault geometric features,composite pattern,faulting land-forms and seismic data,this paper discussed the activity behavior along the northern segment of the Anninghe fault(from Xichang to Shimian)since the Late Pleistocene.The fault can be divided into three active segments by discrepancies of their activity:the segment from Xichang to Mianning,the segment from Mianning to Zimakua,and the segment from Zimakua to Tianwan.The southern segment has the background of occurrence of great earthquakes,but the middle and the northern segments can generate strong and moderate events respectively.According to the features of quartz from fault gouges by scanning electron microscopy(SEM),this paper discussed the movement features along the fault and indicated the stick-slipping feature on the segment from Xichang to Zimakua,the creeping feature on the segment from Jiziping to Tianwan and the transitional feature on the segment in between.     

东亚磁异常及其对中国东北地区地磁场的影响

利用东亚及邻区４９个地磁台１９７０－１９７９年、Ｈ、Ｚ的实测年均值，逐年计算、缓制了蒙古异常的地磁非偶极场等值图，给出了蒙古异常非偶极场Ｚｎ分量的焦点位置和强度变化及其对中国东北地区地磁场的影响量级，计算表明蒙古异常的年变化是该区地磁场年变化的主要成份。     

Microfossils from the Chert in the Lower Cambrian Shuijingtuo Formation at Miaohe, Zigui, Hubei Province

This paper reports for the first time on the microfossils discovered in the black cherts of the basal part of the Lower Cambrian Shuijingtuo Formation at Miaohe village, Zigui County, Hubei Province, all of which were observed in thin sections. Nine genera, 9 species and 3 indeterminate species (including a new species) are described. According to these microfossils, the conclusion is made that the microfossil zone may be equivalent to the small shelly fossil assemblage zones 2—3 of the Meishucun stage. They have provided another important line of evidence for the correlation of the Sinian-Cambrian boundary strata with those of the adjacent areas.     

论铀矿地质与测量精度关系中的几个问题

本文从地质勘查与测量工作的关系方面,讨论了地形图比例尺的确定,剖面、钻孔测量及其储量计算对测量精度的要求。     

前汛期三类天气的合成对比分析

该文选取两槽一脊型下，暴雨，一般降水，无雨３类天气个例各７个，利用合成的方法，分析这３类天气的热力，动力条件特征，并进行了对比分析，揭示它们之间的差异，在此基础上归纳出３类天气短期预报概念模式。     

地震统计力学—几个非线性地震模型的相互关系及其物理含义

近年来地震统计力学研究的进展已经使我们有可能以一种简洁的方式将一些非线性地震模型物理地联系起来,并从地震学角度阐明这些模型的意义和限度。本文结合逾渗模型、热力学弹性回跳模型及弹簧滑块模型,系统地评述了这方面研究的进展。     

地震定位程序BLOC及其变体：华北地区遥测地震台网联网论文续二

简要描述了研制并几经修改扩充的地震定位程序ＢＬＯＣ，并以它的最新扩展版本ＮＣ９１为例说明其使用方法，最后讨论了ＢＬＯＣ定位程序进一步发展的构想。     

沿地震带地震迁移的有序特征

对大华北的山西、燕山、华北平原和长江中下游地震带内的地震迁移规律、各带地震的迁移速度和地震序列特征进行研究,结果表明,各地震带是有机地联系在一起的,形成个统一体。