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- weathering crust type 风化壳型
- 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。
- 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。
- The formation of karst?cavern type carbonate oil reservoirs in lower Ordovician of 4 area in Tahe oilfield is related to weathering?denudation of fossil weathering crust. 塔河油田 4区下奥陶统碳酸盐岩岩溶缝洞型油藏的形成与古风化壳的风化剥蚀有关。
- 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。
- 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。
- 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;
- 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。
- 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。
- The complex association of karst cave and fissures constitutes the reservoir space of weathering crust karst reservoirs. 复杂多变的溶蚀孔、洞、缝及其组合,构成了风化壳岩溶储层的储集空间。
- The deposit is formed in marine invasion by weathering crust transportation, sedimentation, diagenesis and supergenesis. 矿床是在海侵过程中风化壳解体,经搬运、沉积、成岩及表生作用形成。
- Layer-like or lenticular ore bodies occur in the upper part of the weathering crust,but in top, middle and lower parts of it there are no ore bodies. 在风化壳分层中，矿体呈似层状、透镜状赋存于上部、中部，顶部及下部无矿。
- The low resistant erosion ability of ground substance, especially in granite weathering crust and purple rock and its soil are the inner causes of severe soil erosion. 抗侵蚀性较弱的地面组成物质，特别是花岗岩和紫色岩风化壳及其土壤，是造成土壤侵蚀特别严重的内在原因；
- The gas field in the center of Ordos basin is a weathering crust related marine carbonate,formed on the paleo uplift in the east boarder in the center of the stable craton. 鄂尔多斯盆地中部气田形成于稳定克拉通中央古隆起东坡，是一个与海相碳酸盐告有关的风化壳型气田。
- Burma Feicui was subjected to surface geochemical process, resulting in the formation of special weathering crust, which is of great value of technological application. 缅甸翡翠在表生地球化学作用下,常形成特殊的风化皮壳,并具有较高的工艺利用价值。
- In this paper, the genetic evidence and evaluative feature of the weathering crust of carbonate rocks are presented, then, the genesis of laterite are discussed. 摘要本文总结提出了碳酸盐岩风化壳成因证据及其演化特点，对风化壳红土成因进行了讨论。
