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Chalk is the rock type associated most closely with the National Park and, in common with the chalk which provides other key landscape features in the southeast of England, was formed by the settling to the sea floor of myriad coccoliths (microscopic plates of calcium carbonate formed by single-celled algae known as coccolithophores) during the Late Cretaceous epoch between about 100 and 70 ...
The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after creta, the Latin word for the white limestone known as chalk.
The South Polar region of the Cretaceous comprised the continent of East Gondwana–modern day Australia, Zealandia, and Antarctica–a product of the break-up of Gondwana in the Cretaceous Period. The southern region, during this time, was much warmer than it is today, ranging from perhaps 4–8 °C (39–46 °F) in the latest Cretaceous ...
During the Late Cretaceous, the flora of South Carolina included trees like eucalyptuses, laurel, magnolias, oak, sequoia, walnut, and willows. [4] Similar fossil trees have been found in Alabama, New Jersey, and Maryland. [2] Late Cretaceous dinosaur fossils have been found at several Donoho Creek Formation sites in northeastern South Carolina ...
The Tar Heel Formation, also known as the Coachman Formation in South Carolina, is a Late Cretaceous (early to middle Campanian-aged) geologic formation in North Carolina and South Carolina, USA. It preserves fossils, including amber dating back to the Cretaceous period. A locality known as Phoebus Landing, has been dated to 78.5-77.1 Ma, and ...
Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size †Inoceramus †Ischyrhiza †Ischyrhiza avonicola †Ischyrhiza mira; Juliacorbula †Juliacorbula monmouthensis; Laternula †Latiala †Latiala lobata – or unidentified comparable form †Laxispira †Laxispira monilifera ...
The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the Cretaceous. Geological Society of America. pp. 145– 167. ISBN 978-0-8137-2361-7. Varricchio, D.J (2001). "Late Cretaceous oviraptorosaur (Theropoda) dinosaurs from Montana". In Carpenter, Kenneth (ed.).
The Laramide orogeny was a time period of mountain building in western North America, which started in the Late Cretaceous, 80 to 70 million years ago, and ended 55 to 35 million years ago. The exact duration and ages of beginning and end of the orogeny are in dispute.
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