Anagram & Information om | Engelska ordet TONIAN

Exempel på hur man kan använda TONIAN i en mening

• It is preceded by the Mesoproterozoic era and succeeded by the Paleozoic era of the Phanerozoic eon, and is further subdivided into three periods, the Tonian, Cryogenian and Ediacaran.
• It is the second of the three periods of the Neoproterozoic era, preceded by the Tonian and followed by the Ediacaran.
• 1 billion years ago (in the Stenian Period), Siberia became part of the supercontinent of Rodinia, a state of affairs which lasted until the Tonian about 750 million years ago when it broke up, and Siberia became part of the landmass of Protolaurasia.
• The Tonian is preceded by the Stenian Period of the Mesoproterozoic Era and followed by the Cryogenian.
• The Torridon Group is a series of Tonian (lower Neoproterozoic) arenaceous and argillaceous sedimentary rocks, which occur extensively in the Northwest Highlands of Scotland.
• It was also used in a number of older international geologic timescales but, in the most recent timescales of the ICS, it is replaced by the Calymmian, Ectasian, Stenian, Tonian and Cryogenian periods of the Neoproterozoic and Mesoproterozoic eras.
• It was ended by the breakup of the supercontinent Rodinia during the Tonian (1000–720 Ma) period, a second oxygenation event, and another Snowball Earth in the Cryogenian period.
• Porter's work on vase-shaped microfossils from the late Tonian Chuar Group of the Grand Canyon, Arizona, showed that these globally widespread protistan fossils are shells of testate amoebae, in particular, members of the Arcellinida, in the Amoebozoa clade.
• Taking place after the end to the Boring Billion, an euxinic period of extremely low atmospheric oxygen spanning from the Statherian period of the Paleoproterozoic era to the Tonian period of the Neoproterozoic era, the NOE was the second major increase in atmospheric and oceanic oxygen concentration on Earth, though it was not as prominent as the Great Oxidation Event (GOE) of the Neoarchean-Paleoproterozoic boundary.

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