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地球磁极多次发生偏转、逆转上世纪90年代初,雅库夫峡谷发现了旧石器时代的古人类遗迹。尽管迄今尚未发现古人类化石,但发掘出了许多他们使用的沉积岩和玄武岩石斧、石刃等工具和他们猎食的古象、羚羊、鹿等动物化石及可食植物的化石。这些原始石制工具形体较大,加工精细,其双面加工成刃的技术尤其令学者们感兴趣,因为双面成刃工具的出现是原始人的重大进化,是带有人类思维特点的质的飞跃,能加工复杂工具表明古人类向现代人进化了一大步。根据出土石器的地层地质年代,雅库
Pole deflection of the Earth many times, reversing the early 90s of last century, Yakov Gorge found Paleolithic ancient human relics. Although no ancient human fossils have been discovered so far, many tools such as sedimentary rocks and basalt axes, stone edges and the fossils of animals and gazelles such as antelopes and deer hunted, and fossils of edible plants have been excavated. These primitive stone tools are larger and more elaborate, and their double-edged technology is of particular interest to scholars because the advent of double-edged tools is a significant evolution of the primitive man, a quality of human thought The leap forward, able to process complex tools that ancient human evolution to the modern a big step. According to the era of the geology of the unearthed stone, Yaku