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A flood basalt (or plateau basalt [1]) is the result of a giant volcanic eruption or series of eruptions that covers large stretches of land or the ocean floor with basalt lava. Many flood basalts have been attributed to the onset of a hotspot reaching the surface of the Earth via a mantle plume . [ 2 ]
Flanking mountains are generally taller along the east side of the rift (although some of this relief may be Laramide in origin). [1] The thickness of the crust increases to the north beneath the rift, where it may be as much as 5 kilometres (3.1 mi) thicker than it is in the south. The crustal thickness underneath the rift is on average 30 ...
The Putorana Plateau is composed of Siberian Traps. One of the major questions is whether the Siberian Traps were directly responsible for the Permian–Triassic mass extinction event that occurred 250 million years ago, [ 13 ] or if they were themselves caused by some other, larger event, such as an asteroid impact .
In this case Yellowstone could be expiring. It could be another 1–2 million years (as the North American Plate moves across the Yellowstone hotspot) before a new supervolcano is born to the northeast, and the Yellowstone Plateau volcanic field joins the ranks of its deceased ancestors in the Snake River Plain. [12]
In March 2023, Quizlet started to incorporate AI features with the release "Q-Chat", a virtual AI tutor powered by OpenAI's ChatGPT API. [27] [28] [29] Quizlet launched four additional AI powered features in August 2023 to assist with student learning. [30] [31] In July 2024, Kurt Beidler, the former co-CEO of Zwift, joined Quizlet as the new ...
The Columbia River Basalt Group (including the Steen and Picture Gorge basalts) extends over portions of four states. The Columbia River Basalt Group (CRBG) is the youngest, smallest and one of the best-preserved continental flood basalt provinces on Earth, covering over 210,000 km 2 (81,000 sq mi) mainly eastern Oregon and Washington, western Idaho, and part of northern Nevada. [1]
He conquered land across three continents, ruled over states from Egypt to modern-day India, and never lost a battle – before dying, aged just 32. Alexander the Great’s legacy has given him ...
Giant animals roamed the area. Beavers were the size of bears, and mammoths were 14 feet (4.3 m) high at the shoulder and weighed 10 tons. Even buffalo were much larger than today. The glaciers continued to retreat and the climate became warmer over the next few millennia; the giant creatures died out about 9,000 years ago. [13]