Cambrian - Wikipedia
WebThe Cambrian ( / ˈkæmbri.ən, ˈkeɪm -/ KAM-bree-ən, KAYM-; sometimes symbolized Ꞓ) is the first geological period of the Paleozoic Era, and of the Phanerozoic Eon. [5] . The Cambrian lasted 53.4 million years from the end of the preceding Ediacaran period 538.8 million years ago (mya) to the beginning of the Ordovician period 485.4 mya. [6] .
Cambrian Period | Definition, Plants, & Animals | Britannica
WebApr 12, 2024 · Cambrian Period, earliest time division of the Paleozoic Era, extending from 538.8 million to 485.4 million years ago.
Cambrian Period | National Geographic
WebThe Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including many major...
NY Rocks! Ancient Life of the Empire State - Museum of the Earth
WebProterozoic Basement Oldest Rocks in New York. The oldest rocks in New York are from the Proterozoic Eon, a vast interval of time that began 2.5 billion years ago and ended at the start of the Cambrian Period, 541 million years ago.
Cambrian Period: Facts & Information - Live Science
WebMay 27, 2016 · The Cambrian Period is the first geological time period of the Paleozoic Era (the "time of ancient life"). This period lasted from 541 million to 485.4 million years ago, or more than 55 million...
Creatures of Cambrian May Have Lived On - The New York Times
WebMay 17, 2010 · 23. By John Noble Wilford. May 17, 2010. Ever since their discovery in 1909, the spectacular Burgess Shale outcrops in the Canadian Rockies have presented scientists with a cornucopia of evidence...
‘Spaceship-Shaped’ Fossil Reveals Hungry Predator of Ancient …
WebSept. 8, 2021. Some 506 million years ago, a predator swept over the silt bottoms of the Cambrian ocean. Its rake-like feeding arms sifted through the murk it raised, funneling soft-bodied worms...
One of Evolution’s Oddest Creatures Finds a Fossilized Family …
WebFeb 8, 2022 · Opabinia, which swam the seas of Earth’s Cambrian era some 500 million years ago, was not just a one hit wonder. Share full article. An artist's rendering of the rare Opabinia specimen, based on...
The Paleontology Portal
Webthe Cambrian - 543 to 490 Million Years Ago. World Paleogeography: The supercontinent Pannotia had begun to break up as the Iapetus Ocean formed in between Laurentia (North America), Siberia, Baltica (North Europe), and Gondwana (South America, Australia, Africa, India, and Antarctica).
Potsdam Sandstone - Wikipedia
WebPotsdam Sandstone. Old Snell Hall at Clarkson University was built with Potsdam Sandstone. [3] The Potsdam Sandstone, more formally known as the Potsdam Group, is a geologic unit of mid-to-late Cambrian age found in Northern New York and northern Vermont and Quebec and Ontario. A well-cemented sandstone of nearly pure quartz, in …
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