首页
登录
职称英语
Stone tools, animal bones and an incised mammoth tusk found in Russia’s frig
Stone tools, animal bones and an incised mammoth tusk found in Russia’s frig
游客
2023-09-13
12
管理
问题
Stone tools, animal bones and an incised mammoth tusk found in Russia’s frigid far north have provided what archaeologists say is the first evidence that modern humans or Neanderthals lived in the Arctic more than 30,000 years ago, at least 15,000 years earlier than previously thought.
A team of Russian and Norwegian archaeologists, describing the discovery in today’s issue of the journal Nature, said the campsite, at Mamontovaya Kurya, on the Ura River at the Arctic Circle, was the "oldest documented evidence for human presence at this high latitude. " Digging in the bed of an old river channel close to the Ural Mountains, the team uncovered 123 mammal bones, including horse, reindeer and wolf." The most important find," they said, was a four-foot mammoth tusk with grooves made by chopping with a sharp stone edge, "unequivocally the work of humans." The tusk was carbon-dated at about 36,600 years old. Plant remains found among the artifacts were dated at 30,000 to 31,000 years."
Other archaeologists said the analysis appeared to be sound. But they cautioned that it was difficult, when dealing with riverbed deposits, to be sure that artifacts had not become jumbled out of their true place, and thus time, in the geologic layers. They questioned whether the discoverers could reliably conclude that the stone tools were in fact contemporary with the bones. But in a commentary accompanying the article, Dr. John A. J. Gowlett of the University of Liverpool in England wrote, "Although there are questions to be answered, the artifacts illustrate both the capacity of early humans to do the unexpected, and the value of archaeologists’ researching in unlikely areas."
The discoverers said they could not determine from the few stone artifacts whether the site was occupied by Neanderthals, hominids who by then had a long history as hunters in Europe and western Asia, or some of the first anatomically modern humans to reach Europe.
In any case, other archaeologists said, the findings could be significant.
If these toolmakers were Neanderthals, the findings suggested that these human relatives, who became extinct after 30,000 years ago, were more capable and adaptable than they are generally given credit for. Living in the Arctic climate presumably required higher levels of technology and social organization.
If they were modern humans, then the surprise is that they had penetrated so far north in such a short time. There has been no firm evidence for modern humans in Europe before about 35,000 years ago. It had generally been thought that the northernmost part of Eurasia was not occupied by humans until the final stage of the last ice age, some 13,000 to 14,000 years ago, when the world’s climate began to moderate. Dr. Gowlett said the new findings indicated that the Arctic region of European Russia was extremely cold but relatively dry and ice-free more than 30,000 years ago. [br] When did the Neanderthals extinct?
选项
A、More than 30,000 years ago.
B、After 30,000 years ago.
C、Before about 35,000 years ago.
D、Some 13,000 to 14,000 years ago.
答案
B
解析
细节题。文中倒数第二段指出,Neanderthals,...who became extinct after 30,000 years ago,说明尼安德特人是在距今 3万年前以后渐渐消亡的,B项数字正确。
转载请注明原文地址:https://tihaiku.com/zcyy/3009980.html
相关试题推荐
[originaltext]Onewaythatscientistslearnaboutmanisbyanimals,sucha
Iftheearthgetshotterinthenewcentury,whatwillhappentoanimalsand
Iftheearthgetshotterinthenewcentury,whatwillhappentoanimalsand
Iftheearthgetshotterinthenewcentury,whatwillhappentoanimalsand
Iftheearthgetshotterinthenewcentury,whatwillhappentoanimalsand
Iftheearthgetshotterinthenewcentury,whatwillhappentoanimalsand
Iftheearthgetshotterinthenewcentury,whatwillhappentoanimalsand
Iftheearthgetshotterinthenewcentury,whatwillhappentoanimalsand
Iftheearthgetshotterinthenewcentury,whatwillhappentoanimalsand
IntheUnitedStates,theneedtoprotectplantandanimalspecieshasbecom
随机试题
TheMysteryoftheNazcaLines[A]IfyouvisitthePeruviancoastaldese
VictoriaBarzilaiopenedhermouthwidesothedoctorcouldlookathersore
Goodmorning,ladiesandgentlemen.ItiswithagreatpleasurethatIwelco
软件开发中经常利用配置库实现变更控制,主要是控制软件配置项的状态变化,不受配置管
由异源性ACTH综合征引起的皮质醇增多症,最常见于以下何种病变所致A.肝癌B.胸
J49、零序电压的特征是()(A)接地故障点最高
根据《历史文化名城保护规划规范》,历史文化名城保护规划必须遵循的原则包括()。A
睾酮由睾丸的下列哪种细胞分泌?A.间质细胞 B.支持细胞 C.精原细胞 D
(2016年真题)2016年吴某以150万元的价格买下任职公司为其购置的住
根据物权法律制度的规定,下列关于建设用地使用权的表述中,正确的有()。A
最新回复
(
0
)