I think that geological conditions in Gansu and inferred palaeogeographic environment, changing climate of the Pleistocene giraffe will not affect migration.

筆者以為，以甘肅地質(zhì)情況和古地理環(huán)境推斷黄毛片在线观看，更新世多變的氣候?qū)﹂L頸鹿的遷徙不會沒有影響。

There exists a characteristic stiff clay of Epipleistocene late period in the stratum,which indicates that the local area is not the growth place of the ancient river valley during the postglacial period.

孔深39～41m存在的晚更新世晚期特征硬粘土標(biāo)志層，指示本地不是冰后期古河谷的發(fā)育地久久这里精品视频免费3。

Previous studies indicate two possibilities of the formation of the greigite: 1 the seepage of seawater during the postglacial transgression provides sulfate and makes the reducing diagenetic conditions; 2 it may be precipitated as the authengenic mineral in marine or lacustrine sediments during the low sea-level stand of the Late Pleistocene.

本研究在前期工作基礎(chǔ)上，針對已發(fā)現(xiàn)的硫復(fù)鐵礦富集區(qū)選擇典型柱狀樣6根(深約1.5-2.5m久久e6精品视频，長柱樣自慰网站污污；B436、B43718网站在线免费、B439性欧美久久、B459、B483人人射人人摸人人草人人操人人射、B484)东京热黄色网站，同時于揚子淺灘前緣新獲取柱狀樣4根(深約0.3-0.5m，短柱樣91狠狠综合久久久久精品网站；ST9天天插天天拍一拍、ST13、ST15网色网站大全cao、ST23)国产熟女网站，進行了U系測年国产一区鲁鲁在线视频免费播放，粒度分析、磁性測量人体尤物性爱视频网站、X—射線衍射分析一级黄色视频。、微體古生物鑒定分析、粘土礦物和化學(xué)元素含量測試国产激情Va在线播一放，試圖揭示東海外陸架淺部地層結(jié)構(gòu)经典自拍视频欧美日韩在线观看网站、揭露硫復(fù)鐵礦在地層中的分布規(guī)律及成因機制，從而探討該區(qū)晚更新世以來海平面波動模式及其控制下的地層發(fā)育天天干天天弄。

Studies of petrology and petrochemistry indicate that such suit of volcanic rocks dominated by lattite belongs to shoshonite series to potassic alkali basalt series. Considering the stability of rocks and their associations, gentle stratum occurrence, fresh degree of rocks and comparatively clarity of horizons. this potassic volcanic stratum distributed over the Sailipu area is named as Sailipu Formation, and the age of which is early middle Pleistocene of Quaternary.

巖石學(xué)国模精品一区、巖石化學(xué)研究表明，這套火山巖是以安粗質(zhì)熔巖為主的鉀玄巖系列－鉀質(zhì)堿性玄武巖系列火山巖男女一级黄色视频，巖石類型及巖石組合穩(wěn)定黄片欧美日韩一片二片三片，巖層產(chǎn)狀平緩，巖石新鮮欧美性高潮xxxx，層位相對清楚国产一级性生活免费视频，故將其命名為賽利普組，屬第四紀(jì)早－中更新世95视频免费看片。

"We can't say anything about sexual practices in the Pleistocene," says Svante Paabo, the geneticist at the Max Planck Institute for Evolutionary Anthropology in Leipzig who analyzed the Neanderthal DNA.

&對更新世的性行為我們說不出什么來啦啦啦www观看在线下载，&斯萬特-帕玻說。他是萊比錫馬克斯-普朗克人類進化學(xué)研究所的遺傳學(xué)家激情aⅴ，專門從事尼安德特DNA的分析超碰123。

Carbonate cycle, which is controlled by sea surface productivity, dilution of terrigenous sediment and dissolution of deep-sea, is the most prominent feature in South China Sea since Late Pleistocene.

碳酸鹽旋回是南海晚更新世以來的最重要沉積特徵之一，它受控於表層海水生產(chǎn)率一区二区免费看的黄色片子、陸源物質(zhì)的稀釋作用以及深水對碳酸鹽的溶解作用又大又粗又长又硬好爽国产。

In general, Tetrigidae insect diversity was higher in southern China than northern China. We speculate that this pattern can be partially explained by the Pleistocene forest refuge theory and eco-environmental deterioration.

總體上來說，中國蚱科昆蟲生物多樣性南部比北部豐富1024免费电影你懂的，我們認(rèn)為可從兩方面來解釋5060一级永久免费毛片，一是更新世森林避難所的形成，二是生態(tài)環(huán)境的惡化欧美又大又粗性视频。

Recent finds near Kenya's Lake Turkana indicate that hominids such as Homo habilis (1.8 and 2.5 million years ago) and Homo erectus (1.8 million to 350,000 years ago) are possible direct ancestors of modern Homo sapiens and lived in Kenya during the Pleistocene epoch.

最近發(fā)現(xiàn)靠近肯尼亞的圖爾卡納湖表明，原始人類亚洲特a级黄片，如尼安habilis （ 1.8和2.5億年前）和直立人（ 1.8萬三十五點零零萬年以前）是可能的直接祖先禁止18随进入的网站，現(xiàn)代智人，生活在肯尼亞在更新世黄色av免费在线播放。

The contents and compositions of REE are unvariable, indicating that the weather was relatively dry in middle and late Holocene.

湖泊沉積物的稀土含量和分布模式變化小亚洲精品自拍AV在线日韩，也意味著在中晚更新世時氣候是比較干燥的。

By an analysis of the sporopllen time sequences from samples of 38 sections, a discussion of the vegetational and environmental megaevolution in China during the time of 1.6MaBP ～0.8MaBP was made,with the result that we have 2 zones of the sporopollen assemblages and 2 palynoclimate events.

摘 要：通過對已有38個剖面的孢粉時間序列分析影音先锋高清无码，探討了1.6MaBP～0.8MaBP的植被與環(huán)境巨變国产黄色视频流畅在线免费，劃分出兩個孢粉帶及兩個孢粉氣候事件日韩欧美中文字幕永久，提出該時段是更新世環(huán)境最惡劣的時期。