以四川盆地西部上三叠统须家河组的砂岩组分为基础,详细分析该期研究区古地理的演化。
Based on the sandstone compositions analysis of the Upper Triassic Xujiahe Formation in Western Sichuan Basin, the authors tried to discuss the paleogeographic evolution of the study area.
本区古地理的演变过程是:由更新世的陆地环境,经过全新世的海侵,变为现今的滨海环境。
The process of paleogeographic evolution in this area is from land of pleistocene epoch to ingression of holocene epoch, then to littoral circumstances of today.
化石也可向我们提供史前的古地理和古气候情况,并可指示埋藏它们的岩石的年龄。
Fossils also provide information about the geography and the climate of prehistoric times, and indicate the age of rocks in which they are found.
根据羌塘盆地侏罗系古地理特征及沉积演化模式,建立了适合于本区的侏罗系综合沉积模式。
At last, according to the palaeogeography characteristic and sedimentary evolution model, the general sedimentary facies model of Jurassic in Qiangtang basin was founded.
奥陶纪时期,本区处于北为汉南古陆与巴山隆起,南为广阔的陆表海盆地的古地理环境。
The natural geography of the Ordovician period is that: the Hannan paleocontinent and the Bashan Mountain rise at the north, and the wide epicontinental sea basin lies in the south.
分析了华南东部茅口亚统和吴家坪阶的岩相古地理分区及厚度变化,在此基础上对几个有争论的问题进行了讨论。
The Lithofacies paleogeography and the thickness variation of Maokouan Subseries and Wuchiapingian Stage in east part of South China are analyzed and some questions in dispute are discussed.
本文采用新的区调填图理论和方法,详细划分了双王地区的泥盆纪地层,论述了岩相古地理特征。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法,详细划分了双王地区的泥盆纪地层,论述了岩相古地理特征。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
查明了通辽地区第四纪地质实体各期岩相古地理、沉积构造特征、地层空间结构、沉积物粒度的空间变异,据此进行了地层分区。
Such as the sediment structure characteristic of paled geography and formation the spatial structure of formation, the spatial variation of sediment size.
而如今,国家地理频道的《千古疑云巨石阵》将会为巨石阵之谜提供一些可能的解答。
But now, Stonehenge Decoded4 on the National Geographic Channel will provide some possible answers to the mystery.
以造山带古地理学的方法建立造山过程中各阶段的构造-古地理单元及其空间配置,从而反映造山极性。
The research method of orogenic ancient geography was used in erecting the tectonic-paleo-geographic units and their spatial configuration in the orogenic, and hence reflecting the orogenic polarity.
该风暴岩的发现对重建鄂东黄石地区中晚寒武世古地理及区域地层对比具有重要意义。
The discovery of the tempestites is of great significance to restructure the palaeogeography of Middle-Late Cambrian in Huangshi, eastern Hubei Province.
全球性旋回沉积是全球海平面变化、全球气候条件、全球构造演化、全球古地理背景及沉积特征综合作用的产物。
Cyclic deposition on a global scale is the product of the changes in sea-level, tectonics, climate, geography and depositional features of the global or the combination of these.
岩相古地理研究中的有限变形分析,是一个尚未引起重视但又不可忽视的重要课题。
The finite strain analysis in the study of palaeogeography is a new problem to which little attention has been paid but which should not be ignored.
本文介绍了云南罗平地区新发现的罗平生物群的产出层位、生物面貌、保存特征、古地理位置及其研究意义。
This paper briefly reports the occurrence, fossil assemblage, preservational characteristics, and palaeogeography of the newly discovered Anisian Luoping Biota from Luoping County, Yunnan Province.
陆生植物与湖沼相动物化石的交替出现,反映了盆地北缘侏罗纪湖泊、沼泽与低山相间分布的古地理面貌。
The alternative occurrence of terraneous plant and animal fossils represents a palaeogeographic feature with the mosaic-distribution of lakes, marshes and low hills.
岩相古地理图可以大体反映盆地形成时的盆山格局和原始沉积特征。
The lithofacies palaeogeography map can show the pattern of basins and mountains and the characteristics of original deposition.
这种定量的岩相古地理图在我国南方中及晚奥陶世还是首次出现。
This is the first time in the study and mapping of the Middle and Late Ordovician in South China.
笔者讨论了其术语、岩块、基质特征、形成机制和古地理古构造条件,并列表分析了它与混杂堆积的区别。
The relevant terminology, block and matrix characteristics, genetic mechanism, palaeogeography and tectonics are discussed in this paper together with their distinction from melanges.
本文从有限变形分析入手,着重恢复北京西山中寒武世古地理原态及相应的地层初始厚度。
The palaeogeography and the initial stratal thickness of the Middle Cambrian in the Western Hills of Beijing are restored through the finite strain analysis in this paper.
恢复后的古地理样式、沉积厚度与现位现态及变形后的沉积厚度截然不同。
The restored from of the palaeogeography and stratal thickness are different from these before the restoration.
构造地质背景与新构造运动控制着长江三角洲沉积盆地的演化,影响着古地理环境与沉积格局。
The neotectonics controls the evolution of the sediment basin, paleo - depositional environment and pattern of the present Changjiang delta plain.
古近系原始地层厚度分布反映出东濮凹陷在古近纪具有裂陷盆地的构造古地理特点,但是古近纪不同时期裂陷盆地的特征有明显的差异。
The distribution of original stratigraphic thicknesses shows that the Dongpu Sag was a rifted basin in the Paleogene, while the characteristics of different periods were obviously different.
这种结果的出现与延安组沉积的古环境和古地理位置造成油藏分布的不均匀性是一致的。
Such a result is consistent with the uneven distribution of petroleum pool caused by the sedimentary palaeoenvironment in Yan 'an formation and ancient geographic setting.
本文通过对六苴铜矿床的矿床地质特征分析,认为控矿因素可归结为下列几个方面:层位、岩性、构造、岩相、古地理等。
According to the geological characteristics of Liuju copper deposits, the controlling ore-forming factors include stratigraphy, lithology, structure, lithofacies and paleogeography.
扬子地区奥陶纪古地理条件有利于含油气系统生储盖层的发育。
In the Yangtze region, Ordovician paleogeographic conditions were favorable to the development of source, reservoir and seal rocks in petroleum systems.
扬子地区奥陶纪古地理条件有利于含油气系统生储盖层的发育。
In the Yangtze region, Ordovician paleogeographic conditions were favorable to the development of source, reservoir and seal rocks in petroleum systems.
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