古地理环境

太湖平原第四纪古地理环境演变若干问题的讨论

Evolution of Quaternary paleogeography environment in Taihu Plain

最终细分出水下河道等十个微相，恢复了阿三段的岩相古地理环境，建立了相模式。

Hence ten microfacies such as subwater channel etc. are subdivided , reconstructing the lithofacies and Paleogeography environment of A-3 member and establishing model of these facies .

牡蛎礁主要由近江牡蛎ostrearivularis化石组成，其形成年代约距今3k&4ka，从而为研究该区的地壳运动、海平面升降和古地理环境演变提供佐证。

Oyster reef is mainly composed of fossil of Ostrea rivularis of about 3000 & 4000 a B. P * The result provides an evidence for crustal movement sea-level change and paleogeographical environment evolution .

黑吉东部砾岩型金矿成矿古地理环境

Paleoenvironment of the gravel-type gold mineralization in eastern Heilongjiang and Jilin

珠江三角洲新石器考古文化与古地理环境

Neolithic culture and paleogeographic environment in the Zhujiang Delta

昆仑造山带晚泥盆世沉积特征及构造古地理环境

The deposition characteristics and Tectono-Paleogeographic environment of Kunlun orogenic belt in Late Devonian

青岛沿海地区20000年以来的古地理环境演变

The changes of paleogeographical environment of Qingdao coast during the past 20 , 000 years

甘肃第四纪古地理环境

The Quaternary paleogeographic environment of Gansu Province

论福建西部早古生代的沉积建造及岩相古地理环境

On the Sedimentary Formation of Early Paleozoic Era and Sedimentary Facies-Paleogeographic Environment in West Fujian Province

歧口凹陷区特有的岩相古地理环境，形成了大量的岩性地层圈闭。

With special lithofacies paleographical setting in Qikou sag , a lot of lithostratigraphic traps form .

赋矿层位为加里东运动后第一个海浸沉积序列的碎屑岩向碳酸岩的过渡相，岩相古地理环境控制作用明显。

It occurs in the transitional horizon from Caledonian movement and is controlled by lithofacies and palaeography .

它的存在为进一步研究该地区的古地理环境提供了有益的资料。

The presence of fossil mound provides for useful data to research further the palaeo-geographical environment of this area .

研究表明，大地构造是古地理环境变化的主要控制因素。

It is obvious that the tectonics is really the major factor to control the paleo geographic environment changes .

江都&镇江高桥地区沉积特征与岩相古地理环境演变

The Deposition Characteristics and the Evolution of the Lithofacies Palaeogeography Environment of Holocene of Jiangdu and Gaoqiao Area in Zhenjiang

它标志着酸性火山熔岩在特定的古地理环境下所形成的原生构造的特殊性。

It shows that acidic volcanic lava has a specific characteristic of the primary structure in the specific paleogeographic environment .

该套地层地质时代的确定，对研究沙木罗组的沉积相，重塑古地理环境有十分重要意义。

The timing of the strata is significant to the sedimentary facies analysis and palaeogeographic reconstruction of the Shamuluo Formation .

苦咸地下水的形成是古地理环境、地貌、气候条件、地质构造和积盐作用共同导致的结果；

Bitter and salt water is due to ancient geographical environment , geomorphic feature , climate condition , geological structure and salt accumulation .

通过对构造背景及古地理环境分析，峨眉山玄武岩主要形成于地幔上涌和广泛的大陆伸展作用过程中。

These basalts are mainly formed in the course of mantle upwelling and widely continental extension through analyzing tectonic setting and pale-geographical setting .

双壳类特有种的形成和保存可能与我国古地理环境及其生活的水域环境有关。

The formation and preservation of the endemic species might be attributed to China 's ancient geographic environment and the environment of water area they live in .

表现为玄武岩快速尖灭反映当时古地理环境地层坡度较大，地层岩相变化大，不利于上覆煤层发育。

The performance was basalt rapidly disappearing reflect the paleo-geographic environment strata slope is big , stratigraphic facies change fast , is not conducive to the upper coal development .

分析了浙江省第三系玄武岩的分布范围、喷发旋回、地层岩性、古地理环境；进行了玄武岩台地的地貌特征分类；

The main research area includes : ( 1 ) The distribution range , eruption gyrations , strata lithologic character and palaeogeographic environment of tertiary basalt of Zhejiang is analyzed .

各个构造沉积区的沉积盆地内有各自的沉积相特征，且反映不同的古地理环境。

Every sedimentary basin of them has their own sedimentary facies features which reflects different ancient geological environment : The marine domain gradually spreaded westward from Late Silurian to Early Devonian .

受这种特定的沉积环境和古地理环境的制约，本区的沉积型铁矿床的规模不可能很大.但却可以很富。

Controlled by this special sedimentary and paleogeographic environment , the scale of the sedimentary iron ore there will not be very large , but the iron ore can be quite rich .

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 .

最后，对选取的10个样品进行孢粉分析，并结合莱州湾滨海平原全新世以来的古地理环境演变的成果，总结出巨淀湖&清水泊沉积区中全新世以来气候环境变化特征。

By spore-pollen analysis of 10 samples and combining the features of spore-pollen assemblage and climatic environment , the features of evolvement of climatic environment of this sedimentary area since the Middle Holocene are obtained .

研究表明，溶斑的形成不仅具有适宜的岩相古地理环境和其复杂的生成演化史，而且与原始沉积以及不同地史阶段的岩溶作用相关。

As shown , the solution spots are formed not only with suitable lithofacies , paleogeographic environment and complexed evolutional genetic history , but also the karstification related to original deposit and different geologic historical stages .

二叠纪时，在广西境内有利的古地理环境条件下，使开阔海、局限海两套生态类型菊石得以繁衍发育。

In Permian period , the favourable conditions of paleogeographical environment within the boundaries of Guangxi made two sets of ecotypic ammonoids living in the " open sea " and " restricted sea " multiply and develop .

通过对研究区二叠世的区域地质背景和古地理环境的分析，对峨眉山玄武岩喷发与地幔热柱的关系及其火山喷发的大地构造背景进行了进一步系统归纳和总结。

On the basis of analysis of the geological background and ancient environment of this region , the relationship between the eruption of EMB and mantle plume and the tectonics of the volcanic eruption were systematically summarized .

准噶尔盆地石炭纪&早二叠世的构造岩相古地理环境，是近年来这一地区古亚洲洋与其上叠陆相盆地构造体制转换研究和油气勘探备受关注的热点问题。

The tectonic lithofacies paleogeography of Carboniferous-Early Permian in the northern part of Junggar Basin is a hot issue on the tectonic regime conversion of Paleo-Asian Ocean and its superimposed continental basin , as well as petroleum exploration .

砂岩结构成熟度可作为判别古地理环境的一个指标，障壁沙坝砂岩结构成熟度高，滨海及潮间坪砂岩结构成熟度中等，泻湖砂岩较差。

The texture maturity of sandstones is a useful index for identifying the paleogeographic environments . The barrier bar sandstones are of high texture maturity , coast and tidal flat sandstones are of moderate , and lagoon sandstones are of lower .