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Russian scientists have studied the Zhokhov site of an ancient population, which is located in the high-latitude Arctic. They have described in detail the way of life of the ancient people who lived there. Despite the area's sparse population, the ancient people communicated with representatives of other territories and even exchanged goods with them through trade fairs.
[...] The scientists conducted excavations in permafrost and have already investigated a significant part of the monument—about 571 square meters. Many tools were found made of stone, bones, horns, tusks and wood. These are hunting weapons, parts of sleds and home utensils. Among the lithic artifacts, there are many microprismatic blades, which were used as side-blades for composite tools that served as spears, darts, arrow points and knives. Most of them were produced of silicious rocks of local origin, while some of them were made of exotic raw materials unusual for this part of the world, including obsidian and volcanic glass. The researchers found 79 such items. The ancient people appreciated this material for its splitting ability and valued its extremely thin and sharp cutting edges. This material has high research value because each deposit of obsidian carries its own unique geochemical signature, which can identify the source of the material. Thus, researchers can learn more about contacts with people from other regions.
There is no obsidian source nearby Zhokhov Island. The closest area with such a source is located near Krasnoye lake in the lower reaches of the Anadyr River in Chukotka, which is some 1,500 km in a straight line, a travel distance of more than 2,000 km. It would seem that the ancient people could not travel such a distance physically. The authors studied the unearthed obsidian objects via X-ray fluorescence, a nondestructive method that reveals the geochemical properties of samples and thus provides a method to locate the source of the material.
Similar evidence of extensive pre-historic trade networks have been found in the Americas as well.
(Score: 1) by khallow on Tuesday February 26 2019, @12:55PM (1 child)
I bet that was the reason, actually. Hunter/gatherer societies require a lot more space than agriculture-based ones do. They probably were at carrying capacity wherever humans and their ancestors managed to live for tens of thousands of years. Because what else is going to kill humans in large numbers except humans and various sorts of environmental restrictions.
(Score: 2) by PartTimeZombie on Tuesday February 26 2019, @06:55PM
I suppose it must have been something like that, because those guys knew what they were doing.
Imagine living your entire life with cold feet.