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The Iomrautvaam (Russian: Иомраутваам; Chukot: Емрауткенваам) is a river in Chukotka Autonomous Okrug, Russia. The length of the river is 103 kilometres (64 mi) and the area of is drainage basin 1,310 square kilometres (510 sq mi).[1]

The Iomrautvaam is the longest tributary of the Khatyrka river.[2]

Course

The Iomrautvaam has its source in the Komeutyuyam Range of the Koryak Highlands. It flows in a roughly northeastern direction in the northern section of the range. Finally it meets the right bank of the Khatyrka 100 kilometres (62 mi) from its mouth, close to the northeastern end of the ridge.[2][3][4][5]

Khatyrka meteorite

The Khatyrka meteorite, a unique-type of meteorite[6] fell in the area of the Iomrautvaam river basin at 62°39′11″N 174°30′02″E / 62.65306°N 174.50056°E / 62.65306; 174.50056. It was found during an expedition to Chukotka in the summer of 2011 buried in a 7,000-year-old layer of dirt and was named Khatyrka meteorite.[7][8]

High-resolution electron-microscopy image of natural Al71Ni24Fe5 quasicrystal found in the Khatyrka meteorite.
Members of the 2011 expedition that visited the Iomrautvaam area and found the Khatyrka meteorite.

Flora and fauna

The river basin is characterized by tundra vegetation, including mosses, lichens, dwarf shrubs, and sedges.[9]

See also

References

  1. ^ "Река Иомраутваам (Емрауткенваам) in the State Water Register of Russia". textual.ru (in Russian).
  2. ^ a b Atlas of Russia
  3. ^ "Топографска карта P-59_60 - Topographic USSR Chart (in Russian)". Retrieved 19 February 2022.
  4. ^ Google Earth
  5. ^ Water of Russia - Хатырка
  6. ^ Cosmic sleuthing: An origin story for a really weird meteorite
  7. ^ Khatyrka meteorite, Iomrautvaam - Mindat.org
  8. ^ Звизда Т. В., Мануйлов А. А., Василенко А. М. Отчет о геологической съемке масштаба 1:50000 и поисках месторождений полезных ископаемых в бассейне нижнего течения р. Иомраутваам на территории листов Р-60-38-В, Г; 39-В. Анадырь, 1977. 221 с.
  9. ^ V. Yu. Neshataeva, Vegetation cover of the North of the Kamchatka Okrug (Kamchatsky Krai) and its geobotanical zoning // Ecology and geography of plants and plant communities: Proceedings of the IV International Scientific Conference. - Yekaterinburg, 2018. - April 16. — ISBN 978-5-7741-0341-6

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