Macha (

Russian Russian(s) may refer to: *Russians (), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *A citizen of Russia *Russian language, the most widely spoken of the Slavic languages *''The Russians'', a b ...

: Мача) is a field of five

meteorite A meteorite is a rock (geology), rock that originated in outer space and has fallen to the surface of a planet or Natural satellite, moon. When the original object enters the atmosphere, various factors such as friction, pressure, and chemical ...

craters located 685 kilometers (425 miles) northeast of

Yakutsk Yakutsk ( ) is the capital and largest city of Sakha, Russia, located about south of the Arctic Circle. Fueled by the mining industry, Yakutsk has become one of Russia's most rapidly growing regional cities, with a population of 355,443 at the ...

in the

Sakha Republic Sakha, officially the Republic of Sakha (Yakutia), is a republics of Russia, republic of Russia, and the largest federal subject of Russia by area. It is located in the Russian Far East, along the Arctic Ocean, with a population of one million ...

Siberia Siberia ( ; , ) is an extensive geographical region comprising all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has formed a part of the sovereign territory of Russia and its predecessor states ...

, Russia, ranging from in diameter. The two largest craters form the pear-shaped Abram Lake while the remaining three are located to the north. They have been very well preserved. The craters are the result of the fall of possible

iron meteorite Iron meteorites, also called siderites or ferrous meteorites, are a type of meteorite that consist overwhelmingly of an iron–nickel alloy known as meteoric iron that usually consists of two mineral phases: kamacite and taenite. Most iron me ...

s at approximately 5300 BCE (

Holocene The Holocene () is the current geologic time scale, geological epoch, beginning approximately 11,700 years ago. It follows the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene to ...

), which would give them an age of about 7,300 years.

References

External links

Cruzio crater listDiscovery of the largest impact crater field on Earth
Impact craters of Russia Holocene impact craters Landforms of the Sakha Republic Impact craters of the Arctic {{Earth-crater-stub

See also

References

External links