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  2. Snowball Earth - Wikipedia

    en.wikipedia.org/wiki/Snowball_Earth

    A longer record from Oman, constrained to 13°N, covers the period from 712 to 545 million years ago—a time span containing the Sturtian and Marinoan glaciations—and shows both glacial and ice-free deposition. [76]

  3. History of Earth - Wikipedia

    en.wikipedia.org/wiki/History_of_Earth

    Earth formed in this manner about 4.54 billion years ago (with an uncertainty of 1%) [25] [26] [4] and was largely completed within 10–20 million years. [27] In June 2023, scientists reported evidence that the planet Earth may have formed in just three million years, much faster than the 10−100 million years thought earlier.

  4. Early world maps - Wikipedia

    en.wikipedia.org/wiki/Early_world_maps

    Appearance. Further information: List of historical maps and history of cartography. The earliest known world maps date to classical antiquity, the oldest examples of the 6th to 5th centuries BCE still based on the flat Earth paradigm. World maps assuming a spherical Earth first appear in the Hellenistic period.

  5. Scientists Found the Incredible Proof of Snowball Earth: Our ...

    www.aol.com/scientists-found-incredible-proof...

    August 20, 2024 at 10:15 AM. Scientists Find Incredible Proof of Snowball EarthKardd - Getty Images. Between 640 and 720 million years ago, the Earth was covered in ice, snagging it the modern ...

  6. Cryogenian - Wikipedia

    en.wikipedia.org/wiki/Cryogenian

    The Cryogenian (from Ancient Greek: κρύος, romanized: krýos, meaning "cold" and γένεσις, romanized: génesis, meaning "birth") is a geologic period that lasted from 720 to 635 million years ago. [6] It is the second of the three periods of the Neoproterozoic era, preceded by the Tonian and followed by the Ediacaran.

  7. Pleistocene - Wikipedia

    en.wikipedia.org/wiki/Pleistocene

    The Pleistocene (/ ˈplaɪstəˌsiːn, - stoʊ -/ PLY-stə-seen, -⁠stoh-; [ 5 ][ 6 ] often referred to colloquially as the Ice Age) is the geological epoch that lasted from c.2.58 million to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed in 2009 by the International ...

  8. Geological history of Earth - Wikipedia

    en.wikipedia.org/wiki/Geological_history_of_Earth

    The geological history of the Earth follows the major geological events in Earth's past based on the geological time scale, a system of chronological measurement based on the study of the planet's rock layers (stratigraphy). Earth formed about 4.54 billion years ago by accretion from the solar nebula, a disk-shaped mass of dust and gas left ...

  9. Neoproterozoic - Wikipedia

    en.wikipedia.org/wiki/Neoproterozoic

    Axis scale: millions of years ago. The Neoproterozoic Era is the last of the three geologic eras of the Proterozoic eon, spanning from 1 billion to 538.8 million years ago, [ 2 ] and is the last era of the Precambrian "supereon". It is preceded by the Mesoproterozoic era and succeeded by the Paleozoic era of the Phanerozoic eon, and is further ...