2. Ancient times: refers to the historical period from 2 1 century 3 million BC to 2 1 century BC. The human fossils discovered by archaeologists and paleoanthropologists in Africa were more than 3 million years ago, so Africa is considered as the origin of human beings (see ancient Egyptian apes, Australopithecus, Raemakers). Fossils of Wushan Man found in Wushan County, Chongqing, China, date back 2 million years.
3. Ancient times: refers to the historical era before the existence of written records. Five thousand years ago, China had a period of state formation.
Extended data:
1, Archean origin:
This is the oldest geological age. Generally speaking, it refers to the geological period from the formation of the earth 4.6 billion years ago to the widespread appearance of prokaryotes (including bacteria and cyanobacteria) 2.5 billion years ago. The word "Archean" was coined by American geologist J.D. Dana in 1872. The stratum formed at that time was called Archean, and the representative symbol was "Ar".
It is mainly composed of gneiss and granite, and is rich in gold, silver, iron and other minerals, which constitutes the core of continental crust. Mainly distributed in Australia, Africa, northeast South America, Canada, Finland, Scandinavia and other places; Archean strata are also exposed in Liaodong Peninsula, Shandong Peninsula and Shanxi.
2, the origin of ancient times:
Archaeologists and paleoanthropologists have discovered human fossils in Africa for more than 3 million years, so Africa is considered as the origin of human beings (see ancient Egyptian apes, Australopithecus and Lamarck). The "Wushan Man" fossil found in Wushan County, Chongqing, China, is 2 million years ago.
In addition, many ancient human fossils have been found, such as Yuanmou man, Lantian man, Beijinger and Neanderthal man. , numerous and widely distributed. Therefore, archaeologists in China suggest that East Asia is also the origin of human beings.
3, the origin of ancient times:
The historical period before the establishment of the Xia Dynasty is collectively called "ancient". Or Ancient Times, Ancient Times, Three Emperors and Five Emperors, and Mythological Times.
Six ancient gods: White Tiger, Xuanwu, Suzaku, Qinglonggou and Chen Tengshe.
Ten Artifacts: Eastern Emperor Bell, Xuanyuan Sword, Pan Gu Axe, Demon-refining Pot, Haotian Pagoda, Fuxiqin, Shennongding, Kongdong Seal, kunlun mirror and Nuwa Stone.
Baidu encyclopedia-ancient times
Baidu encyclopedia-ancient times
Baidu encyclopedia-ancient times