Huronian Period

Huronian Period
Геология: гурон, гуронская эра, гуронский, гуронский период, гуронский эон, гуронское время

Универсальный англо-русский словарь. . 2011.

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  • Huronian glaciation — The Huronian glaciation (or Makganyene glaciation) extended from 2400 Mya to 2100 Mya, during the Siderian and Rhyacian periods of the Paleoproterozoic era, triggered by the oxygen catastrophe, which oxidised the atmospheric methane (a greenhouse …   Wikipedia

  • Last glacial period — Last glacial redirects here. For the period of maximum glacier extent during this time, see Last Glacial Maximum. The last glacial period was the most recent glacial period within the current ice age occurring during the last years of the… …   Wikipedia

  • Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… …   Universalium

  • Great Oxygenation Event — O2 build up in the Earth s atmosphere. Red and green lines represent the range of the estimates while time is measured in billions of years ago (Ga). Stage 1 (3.85–2.45 Ga): Practically no O2 in the atmosphere. Stage 2 (2.45–1.85 Ga): O2 produced …   Wikipedia

  • Snowball Earth — The Snowball Earth hypothesis as it was originally proposedcite book author = Kirschvink, J.L. year = 1992 chapter = Late Proterozoic low latitude global glaciation: The snowball Earth title = The Proterozoic Biosphere: A Multidisciplinary Study… …   Wikipedia

  • Timetable of the Precambrian — This is a timeline of geological and relevant astronomical events on Earth before the Cambrian period started. This covers 88% of the duration of the Earth. The dates given are based on the best current scientific evidence and where possible are… …   Wikipedia

  • Monetons — West Virginia s Moneton tribe on the Kanawha Valley [Kahnawáˀkye in Tuscarora (Iroquois) means waterway , kye is augmentive suffix. Kaniatarowanenneh means big waterway in Mohawk (Iroquois). Lachler, McElwain, and Burke… …   Wikipedia

  • Marinoan glaciation — Neoproterozoic Snowball Periods 1000  – …   Wikipedia

  • Bruce Series — ▪ geology       division of Precambrian rocks in North America that is well developed northeast of the Lake Huron region (the Precambrian began about 3.8 billion years ago and ended 540 million years ago). The Bruce Series is the lowermost of the …   Universalium

  • Ke|wee|naw|an — «KEE wuh N uhn», adjective, noun. –adj. of or having to do with the latest period of the Proterozoic era, before the Cambrian and after the Huronian: »the Keweenawan formations. –n. 1. the latest period of the Proterozoic era, before the Cambrian …   Useful english dictionary

  • West Virginia Prehistory — The area now known as West Virginia was a favorite hunting ground of numerous Native American peoples before the arrival of European settlers. Many ancient man made earthen mounds from various mound builder cultures survive, especially in the… …   Wikipedia


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