Beijing Institute of Cultural Relics and Archaeology,Beijing,China,100009Abstract The sedimentary characteristics and facies ofthe cultural layers in the late Paleolithic period of the late Late－Pleistocene in theWangfujing Oriental Plaza site were studied based on the comparison and analysis of thetypical sedimentation profile of the site and more than 150 stratigraphic data.The paleo－geomorphicsurfaces during the periods of 2.2×104a B.P.were rediscovered.The studysuggests that the ancients must have acted in the sandy islands of alluvial fans,whichwere evolved in relatively steady water flows during the interglacial stage with slightlywarming in the last glacial epoch.

沉積相與古地貌研究徐海鵬莫多聞岳升陽(yáng)朱忠禮郁金城摘要：通過(guò)對(duì)遺址地層典型沉積剖面和遺址地區(qū)150余個(gè)地層資料的對(duì)比分析毛片一级毛片一级毛片一级，揭示了北京王府井東方廣場(chǎng)晚更新世晚期舊石器人類遺址地層的沉積特征與沉積相類型无码区无码区视频网网址，從而恢復(fù)了距今2.2萬(wàn)年前人類在此生存活動(dòng)的古地貌面自拍偷拍av网址。

Lions died out in northern Eurasia and America at the end of the last glaciation, about 10,000 years ago;[16] this may have been secondary to the extinction of Pleistocene megafauna.

在獅子死亡歐亞大陸北部和美國(guó)結(jié)束時(shí)的末次冰期，約在一萬(wàn)年前羞羞的漫画在线看； [ 16 ]這可能是次要的巨型動(dòng)物滅絕的更新世免费黄片在线播放精品www。

Pleistocene The first epoch of the Quaternary period , which started with a glaciation about two million years ago and ended with the last glaciation about 10000 years ago.

更新世：指第四紀(jì)的第一世，從大約200萬(wàn)年前的冰河時(shí)期開始久在线免费观看视频，到約1萬(wàn)年前的最后一次冰河作用結(jié)束国产猛男猛女超爽免费视频。

During the Pliocene to early Pleistocene strong NW-SE crustal extension resulted in disintegration of the planation geomorphology and formation of a graben basin in the area.

上新世至早更新世時(shí)期，強(qiáng)烈的NW-SE向地殼引張導(dǎo)致太行山隆起南段夷平地貌的解體和地塹盆地的形成永久免费A片在线看视频一。

Heavy mineral analysis to Yunchi Group and Shanxiyao Group shows that contents of zircon, rutile and apatite have positive relationship, and no hornblende and pyroxene can been found in sediment.

這種沉積及古地理演化特征說(shuō)明喷奶水大战黑人在线播放，在中更新世早期以前，不存在大河體系在該區(qū)的切割和疏淘作用www.精品视频。

As early as the Pleistocene Epoch, China saw the inhabitation of early human beings.

早在更新世初期高清在线观看免费黄色视频，就有人類在我國(guó)的土地上生活。

Research of evolution of Poyang Lake Basin indicates that the basin changed from a intermontane basin into an inland accumulated basin in upper Pleistocene, and has become a loading and unloading basin adjusting water of Yangtze River since 400 A. D, which proves that influence of Yangtze River to Poyang Lake Basin appeared very late.

對(duì)鄱陽(yáng)湖盆地演化的分析發(fā)現(xiàn)免费A片中文字幕网址，該盆地于晚更新世開始從山間盆地向較大規(guī)模的積水盆地轉(zhuǎn)變看电影5566AV资源站手机版，公元400年前后才成為調(diào)節(jié)，長(zhǎng)江水量的吞吐型湖盆美女爆操视频，從而也反映出長(zhǎng)江對(duì)該區(qū)的影響是非常晚近的事欧美黄色视频AA片。

It's a splendorous landscape, dynamic and rich, tumultuous and delicate, encompassing 2.8 million acres of volcanic mountains and forest and tundra and river bottoms as well as more than 700 brown bears, thickets of Siberian dwarf pine and relict "graceful" fir left in the wake of Pleistocene glaciers, a major rookery of Steller sea lions on the coast, a population of kokanee salmon in Kronotskoye Lake, along with sea-run salmon and steelhead in the rivers, eagles and gyrfalcons and wolverines and many other species—terrain altogether too good to be a mere destination.

這里有著宏偉的地貌，生氣勃勃欧美人人妻人人操、富麗堂皇亚洲黄色小说视频，喧囂熱鬧、精美雅致欧美性交黄片A片，280萬(wàn)英畝的區(qū)域包含了火山山脈日韩一区二区三区免费拍拍、森林、苔原日本com、河床以及超過(guò)700只的棕熊日韩欧美图片、茂密的偃松（可為熊提供可食用的堅(jiān)果）和更新世冰河后期遺留下來(lái)的優(yōu)美的冷杉，沿岸是一個(gè)主要的白令海獅棲息地18禁点击进入网址免费，庫(kù)頁(yè)湖中生長(zhǎng)著紅大麻哈魚群體日本高清一道本一区二区，陪伴著河里的洄游大麻哈魚和虹鱒，還有鷹黄色网站污污污亚洲免费、矛隼色色网亚洲色图、狼獾和其它物種——總之，把它作為一個(gè)純粹的棲息地帶再好不過(guò)了一级特黄特色黄色网站。

As observed in the Pleistocene, thick intervals of negative δ13C values occur in the Neoproterozoic but are considered to record profound perturbations to the global marine carbon cycle unique to the Neoproterozoic rather than being considered in terms of normal mixed meteoric/marine lithification or decarboxylation.

更新世的觀察表明影音先锋每日最新av资源网久久，新元古代存在著一個(gè)較長(zhǎng)時(shí)期的δ13C負(fù)值，這些負(fù)值記錄了全球海洋碳同位素的波動(dòng)循環(huán)是新元古代獨(dú)有的干干视频，而并非通常意義下的大氣海洋水混合產(chǎn)生的巖化作用和脫羧基作用人人操人人摸人人偷。

This paper deals mainly with the systematic palynological, microfossil, granularity research and 14C dating on more than 29 samples from a column core with a depth of 29m of core A1 for the purpose of revealing the characteristics of paleoenvironmental evolution since late Pleistocene.

本文通過(guò)對(duì)濰河下游地區(qū)A1一级精品毛片在线观看网站、A5孔巖芯系統(tǒng)的孢粉、有孔蟲日韩欧美亚洲色图、粒度A片网站资源、14C及熱釋光測(cè)年資料的分析，結(jié)合 100余個(gè)鉆孔的沉積特征91亚洲免费视频，論述了萊州灣南岸地區(qū)晚更新世以來(lái)的古環(huán)境演化特征国产精品99久久99。