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根据野外调查获得的第一手资料,结合前人有关雾渡河断裂的研究成果,论述了雾渡河断裂的区域地质背景、构造应力场、深部构造特征、地貌水系样式,其中重点解决了雾渡河断裂的运动学特征和断裂活动时代.根据所采断裂上覆第四纪沉积物样品的TL测年数据(76.43±6.49 ka),确定雾渡河断裂晚更新世以来活动不明显. 相似文献
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介绍国医大师潘敏求教授治疗肺结节的经验。潘教授将肺结节的病因病机总结为虚、痰、瘀、毒,临证注重辨病、辨质论治、辨证论治三者结合,其中,偏颇体质以倦(白+光)质、腻滞质、热燥质多见,有症状患者证候以肺脾气虚、肺肾两虚、气阴两虚、痰湿蕴肺、瘀血阻滞、热毒内结为主,治疗采用香砂六君子汤、百合固金汤、金匮肾气丸、六君子汤合二陈汤、桃红四物汤等经方加减。其提出,肺结节证候多兼杂,故当以辨证为主,灵活配伍,针对病灶提早干预,调治患者偏颇体质、改善肺结节微环境、缓解患者临床症状,未病先防,既病防变。 相似文献
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The Xiannvshan fault zone, lying along the western margin of the Huangling anticline, is one of the most important fault zones in the Three Gorges reservoir area. The fault experienced strong activity during the Cenozoic Era. The question of whether the fault zone goes through the Yangtze River has been one of the key problems faced in previous studies as it has a significant influence upon the assessment of geological hazards and earthquake stability in the reservoir area. Based on tectonic and geomorphic observations along the fault zone between the Baixianchi village in Changyang county and Huangkou village in Zigui town, together with the comparisons between the geology in Guizhou and Quyuan town in the north bank of the Yangtze River and the Xiannvshan fault zone, it is suggested that the north end of this fault zone is located around Huangkou village and does not go through the Yangtze rivers northward. The evidence is as follows: ① On the basis of field data collection, it is found that the Xiannvshan Fault zone, which stretches 80km, underwent thrust movement in the Cenozoic period, resulting in ravines and fault scarps, topographically. Whereas, on the northern bank of the Yangtze River, faults are rarely found, and most of the faults are developed in the Jurassic strata,without topographical effects. Therefore, the Xiannvshan Fault zone has not stretched to the north bank of the Yangtze River. ② The fault gouge and tectonite zone were found developed on the Xiannvshan Fault zone at Baixianchi village, but only a tectonite zone was found at Zhouping village. There are also some branch faults close to the northern end of the fault zone. So, the activity of the fault zone weakened from south to north in Cenozoic. The fault zone extends northward and dies out at Huangkou. It doesn’t stretch forward any longer as indicated by continuous strata, sparse joints, and small folds, etc. 相似文献
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