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- The host is an auriferous red weathering crust, which can be classified into the upper and the lower layers in section. 自然金形状为不规则粒状、片状、树枝状、针状、浑圆状、次浑圆状,并常与锑钙石、针铁矿、软锰矿连生;
- IRON OXIDE MINERALS IN RED WEATHERING CRUST OF CARBONATE ROCKS 碳酸盐岩红色风化壳中的氧化铁矿物
- We have measured the major elements and identified clay minerals of the red weathering crusts to the northern part of Yanshan University, Beidaihe coast, Qinhuangdao, North China, by means of X-ray fluorescence and X-ray diffraction analysis. 用X射线荧光光谱法(XRF)和X射线衍射法(XRD)分别测试了秦皇岛北戴河燕山大学北侧红色风化壳(简称燕大风化壳)主量元素和粘粒粘土矿物。
- As to the pretreatment methods of grain size analysis for red weathering crusts, at present there is a great discrepancy, and it influences the reliability of analytic results to some extent. 摘要对红色风化壳粒度分析的前处理方法，目前存在着很大差异，这在一定程度上影响了分析结果的可靠性。
- A New Model for Determining the Weathering Components in Red Weathering Crust over Dolomites 碳酸盐岩上覆红色风化壳中风化组分确定的一种新模式
- red weathering crust 红色风化壳
- Vadose zone is below weathering crust face and on water table. 潜流岩溶带的上限是枯水期的最低潜水面，该带地下水受压力梯度控制并沿水平方向流动，最明显的岩溶特征是出现大型的水平溶洞，地下暗河及其溶蚀孔、洞、缝发育段。
- Fission track dating of secondary quartz in red weathering crusts of carbonate rocks in Guizhou Province 贵州碳酸盐岩红色风化壳次生石英的裂变径迹测年研究
- The microbial metallogeny of weathering crust REE deposits in South China. 花岗岩风化壳中的微生物及其对稀土元素的浸出作用。
- Geochemical characteristics and climatic-environmental significance of the red weathering crusts in the Beidaihe coast, North China 北戴河红色风化壳地球化学特征及气候环境意义
- INSOLUBLE RESIDUES OF CARBONATE ROCKS AS SOURCE MATERIAL FOR RED WEATHERING CRUSTS IN KARST REGIONS OF GUIZHOU PROVINCE, CHINA 碳酸盐岩酸不溶物作为贵州岩溶区红色风化壳主要物质来源的证据
- This research demonstrates that this area is suitable for the development of large scale weathering crust and karstic reservoirs. 结果表明，研究区域适宜大规模风化壳岩溶作用的发生以及岩溶型储层的发育。
- Due to obvious paleo-karsi, erosion flutes and platform co-exit at the top of the weathering crust. 由于古岩溶作用明显，风化壳顶面具有显著的岩溶地貌特征，形成了独特的沟台并存格局。
- During Tertiary period, the secondary enrichment happened to the gold in weathering crust of planation surface. 在第三纪,夷平面上的风化壳中的金经历了重要的次生富集作用;
- There developed a vast area of weathering crust karst reservoirs on top Ordovician in Ordos Basin. 鄂尔多斯盆地在奥陶系顶部发育大面积的风化壳岩溶储层。
- And the lateritic Au deposit is also influenced by the land form, eluvial-slope wash and weathering crust degvelopment. 红土型金矿还受地形、残坡积层、风化壳发育程度影响。
- Examples for lithologic and weathering crust identification using the data of ECS are provided. 简要讨论了化学元素测井的基本原理,给出了几个化学元素测井资料划分岩性和识别风化壳实例。
- At solution grooves, the chronostratigraphy of the red weathering crusts of carbonate rocks shows that, at residual layers, upwards from weathering front, the weathering age is from new to old; 风化壳的年代地层学表现为,在残积层,从风化前锋向上,风化年龄由新到老;
- The reservoir type is Ordovician weathering crust in the Lower Paleozoic,and the main gas layer is in the fifth member of Majiagou Formation. 储集层类型为下古生界奥陶系古风化壳型,其主力含气层为马家沟组第五段。
- The main controlling factors of reservoir delevoping are lithology, lithofacies and ancient weathering crust karstification. 储层发育的主要控制因素为岩性和岩相、古风化壳岩溶作用。
