洞穴沉积物

因此，洞穴沉积物的δ~（13）C可以作为重建古植被和贵州喀斯特地区石漠化演变的重要依据。

Therefore ,δ ~ ( 13 ) C of speleothem appears to be a sensitive proxy for reconstruction of paleo-vegetation and evolution of karst-desertification in the region .

桂林洞穴沉积物的氧、碳同位素特征

Some characteristics of stable isotopes of oxygen and carbon in speleothems of Guilin

中国东都喀斯特洞穴沉积物铀系年代

The U-series ages of speleothem of karst caves in the east of China

岩溶洞穴沉积物形成于湿暖、干冷交替的环境；

They formed in the environments of humid warm and dry cold climate in turns .

洞穴沉积物的环境记录研究进展

Progress in environment record from cave sediments

中国广西桂林穿山石峰洞穴沉积物的沉积学研究

A sedimentological study of cave sediments from Chuan Shan tower karst , guilin , guangxi , China

洞穴沉积物不仅具有旅游开发价值，而且蕴含了丰富的古气候环境信息。

The sediments in the cave are of not only the value for tourism development , but also rich information of paleoclimate and paleoenvironment .

利用现代观测进一步证实了洞穴沉积物的碳同位素在适当条件下可以作为反映洞穴上覆植被变化的有效工具。

The modern observation further verifies that under the conditions the carbon isotope in the cave sediments can be an efficient way to reflect the variation of the caves ' vegetation .

因此，洞穴沉积物（包括石笋、石钟乳和流石等）可望为川东北地区的新构造活动尤其是地震事件研究提供一种新的依据。

Sediments in karst caves here , such as stalagmite , stalactite and flowstone , could provide some new evidences for investigation of the neotectonic movement , especially earthquake in this area .

论述了氧同位素在冰岩心、黄土-古土壤以及洞穴沉积物中的应用，并指出了其影响因素和在应用中存在的问题及发展方向。

The authors expound the application of oxygen isotope to the studies of ice cores , loess-paleosol and cave sediments , and point out its influencing factors as well as direction and problems of the application .

洞穴次生沉积物石笋的稳定同位素古气候的研究

Paleoclimate of Stable Isotope of Stalagmite from Cave Secondary Sediment

洞穴化学沉积物与碎屑沉积物呈现多层间互沉积，反映洞穴沉积环境的多次变迁。

The speleothems and the sediments interbeddedly deposit , which shows the changes of the cave deposit environment .

用洞穴化学沉积物进行古气候研究，已经在世界范围内开展，在理论和应用方面都取得了丰硕的研究成果。

The paleoclimate research by studying the speleothem record has been launched all over the world . And it achieved fruitful research findings in both theory and application .

用稀土数据对岩溶学方面的研究，迄今尚未见报道。本文对典型喀斯特洞穴粘土沉积物中的稀土淋失量与沉积环境中的水动力条件变化特征进行研究。

Studies are acomplished in this paper on the amount of REE leaching loss from clay sediments in a typical Karst cave and the characteristics of hydrodynamic variation in the sedimental environment .

本文通过对岩溶洞穴碎屑沉积物结构特征及其矿物、化学成分的研究，探讨岩溶洞穴的发育和形成的古环境。

In this paper the characteristics of the texture of clastic sediments and their chemical and mineral compositions formed in running water in several caves are discussed , on the basis of which the karst cave development and the influence of paleo-environment upon it are studied .

随着对洞穴次生沉积物现代过程的研究，人们逐渐认识到洞穴沉积物同海洋、黄土、冰芯、湖泊、树轮、珊瑚等地质记录一样也是重要的自然环境历史档案。

Along with the research of the cave secondary sediment deposition process , people come to realize that like deep sea and lakes chemical sediment core , loess , ice core , tree wheel , and coral , cave is also an important natural environmental history file .

洞穴次生化学沉积物中Mg、Sr、Ca及其比值的环境指代意义

The ratios of mg / ca , mg / sr in the speleothems and their environmental meanings in Guilin area

我国灰岩洞穴次生化学沉积物的沉积类型和形态系统

The type and form system of speleothems in limestone cave in China

利用洞穴次生化学沉积物进行古环境重建是第四纪全球变化研究的一个热点，而碳氧稳定同位素是最重要的气候替代性指标。

The carbon and oxygen stable isotopes have been considered to be the most effectual proxy indexes in reconstructing the paleoclimate of Quaternary .

负责分析纳勒迪人化石的研究人员还没测定出化石的年代，由于洞穴内的沉积物混杂在一起，化石周围亦没有其他动物遗骸，因此年代测定会很困难。

Researchers analyzing the H. naledi fossils have not yet nailed down their age , which is difficult to measure because of the muddled chamber sediments and the absence of other fauna remains nearby .

本文对采自陕西省柞水县、湖北省崇阳县以及北京市房山区的三条岩溶洞穴次生化学沉积物&石笋进行了古地磁场方向和相对强度的长期变化研究。

This paper describes the results of secular variation study of paleomagnetic direction and relative intensity using stalagmites-secondary concretions of limestone caves from Zhashui , Shanxi , Chongyang , Hubei and Fangshan , Beijing .

桂林喀斯特洞穴及其次生沉积物丰富，保留了大量古环境和古气候变化的信息，反映了一种特有的喀斯特生态环境和正在进行的地貌演化作用。

A large number of paleofauna and cones preserve many information about age-old environment and climate in the cone ′ s sediment , showing peculiar karst eco-environment and the function of continuous landforms evolution .

碳酸盐岩地区次生化学沉积物Ca2+/Mg2+比值在一定程度上反映了其景观发育成熟度。不同岩溶地区的岩石渗透性在很大程度上影响岩溶洞穴次生化学沉积物的发育程度及速率。

The ratio of Ca ~ ( 2 + ) and Mg ~ ( 2 + ), to some degree , may be a reflection of the maturity of speleothems , the different permeability in different carbonate area affects on the ratio and degree of depositing .

本文作者采取国际上近年新兴起的新方法&洞穴次生化学沉积物的古地磁法，首次进行了中国广西地区的地磁场长期变化的研究。

The authors have carried our for the first time a research on long-term variation of the geomagnetic field in Guangxi China by using paleomagnetism of speleothems ( secondary deposits in limestone caves ), which is a new method used in the world in recent years .

岩溶洞穴中钟乳石类沉积物色泽变化的成因浅析

A brief study on the reasons of color and luster change of speleothems in karst caves

以洞穴调查的实际资料为依据，对洞穴沉积物中的边石坝结构类型进行了研究。

Based on the data investigated in caves , the structure types and the features of rimstone dams in karst caves are discussed in this paper .

洞穴水Ca2+，Mg2+含量及其变化量是洞穴次生化学沉积物发育程度的最直接和最基础的反演载体。

Ca ~ ( 2 + ), Mg ~ ( 2 + ) contents of cave water and their changes are the basic and direct reflecting carriers to the maturity of speleothems .