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- Late Triassic weathered crust 晚三叠世风化壳
- It shows the geological and geochemical characteristics of a REE deposit in granitic weathered crust in the eastern part of Guangdong Province. 本文以大量实际资料为基础,对粤东某一花岗岩风化壳稀土矿床的地质地球化学特征作了描述。
- Late Triassic Anyuan coal measures,is one of main coal-bearing strata in Jiangxi Province. 江西省晚三叠世安源煤系,为江西省主要含煤地层之一,其煤种为烟煤,煤质好且为较好的动力用煤。
- Nappes are products formed in the compressional State by Indo-China movement in late Triassic Period. 推覆体是挤压环境下的产物,它形成于晚三叠世末期的印支运动。
- The carbonatite reservoir of Ordovician weathered crust in Shanganning Basin belongs to palaeokarst and its main reservoir spaces are denudation vugs. 陕甘宁盆地中部奥陶系风化壳碳酸盐岩储集层属于古岩溶型,主要储集空间是溶蚀孔洞。
- Spatial distribution of mineralization shows that gold metallogenesis began before Late Triassic. 矿体的空间分布与穿插关系表明,金成矿作用开始于晚三叠世以前。
- Late Triassic, gymnosperms, the mainland has become the real rulers of the main plant. 晚三叠世时,裸子植物真正成了大陆植物的主要统治者。
- This is one of the most important factors that limit the achievements of gas exploration in the Ordovician weathered crust of the Tabamiao region in Ordos Bas. 鄂尔多斯盆地北部东段塔巴庙地区奥陶系风化壳岩溶作用过甚,破坏了地层的连续性及储集性能,是导致该区风化壳气藏勘探效果不佳的主要原因之一。
- Weathered crust and sedimentary intercalation are indicative of volcanic intervals.Extrusive and volcanogenitic sedimentary facies are the end-members of an eruption cycle. 风化壳层之上和沉积夹层之上的火山岩是新的喷发旋回的开始,而火山沉积相和侵出相的出现往往标志着一个火山喷发旋回的结束。
- Petrologically, the ultramafic-mafic rocks within the Lhari fault are redefined as the ophiolites dated back to the Late Triassic in age. 岩石方面,确定了发育于嘉黎断裂带中的超镁铁质-镁铁质岩为嘉黎缝合带内的蛇绿岩,形成于晚三叠世;
- Abstract: The Gacun deposit is a typical massive sulfide deposit associated with Late Triassic seafloor calc-alkaline felsic volcanics (VHMS). 摘 要: 呷村矿床是一个与晚三叠世海相钙碱性酸性火山岩系有关的典型块状硫化物(VHMS)矿床。
- 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。
- Late Triassic Anyuan coal measures,is one of main coal-bearing strata in Jiangxi Province.The high quality bituminous coal is good for power-station. 江西省晚三叠世安源煤系,为江西省主要含煤地层之一,其煤种为烟煤,煤质好且为较好的动力用煤。
- As a Mesozoic and Cenozoic superposed basin on a cratonic basement,East China Sea shelf basin has three periods of tectonic evolution:Late Triassic(? 东海陆架盆地为发育于克拉通基底之上的中、新生代叠合盆地,该盆地经历了晚三叠世(?
- Abstract The first discovered Late Triassic strata was introduced in terms of its petrological and biostratigraphic characters in the paper. 本文从岩石、生物地层角度介绍塔西南地区首次发现的晚三叠世地层。
- Except for the structure traps, the stratigraphic traps of Jurassic-Cretaceous Formations at the graben flanks and the basement weathered crust of Paleozoic are the future exploration directions. 该盆地虽然经历了20多年的勘探历程,大规模的优质储量大部分已被发现,但仍具勘探潜力,除构造圈闭外,斜坡部位的地层岩性圈闭和基底裂缝型风化壳都是未来的勘探方向。
- The paper put forward to the conception of weathered crust for the first time in BaobeiBlock , Baolang Oil Field , Yanqi Basin and do correlation of sub-strata for Eogene system and Jurassic system. 首次在焉耆盆地宝浪油田宝北区块提出风化壳概念,并为此开展了下第三系地层与侏罗系地层重新对比划分。
- The oldest known turtle, Proganochelys from the Late Triassic period of Germany1, has a fully formed shell and offers no clue as to its origin. 这项发现同时让人推测,乌龟最早可能是生活在水中而非陆地;
- The Gacun deposit is a typical massive sulfide deposit associated with Late Triassic seafloor calc-alkaline felsic volcanics (VHMS). 摘要呷村矿床是一个与晚三叠世海相钙堿性酸性火山岩系有关的典型块状流体物(VHMS)矿床。
- Five Late Triassic coal samples collected from Changhebian mine,Chongqing were characterized through a petrographic and geochemical investigation. 运用煤岩学和地球化学的理论和方法,对重庆长河碥矿晚三叠世须家河组煤中微量元素进行了研究。