The Cretaceous–Paleogene (K–Pg) boundary, formerly known as the Cretaceous–Tertiary (K–T) boundary, is a geological signature, usually a thin band of rock...
28 KB (3,035 words) - 22:20, 9 October 2024
The climate across the Cretaceous–Paleogene boundary (K–Pg or formerly the K–T boundary) is very important to geologic time as it marks a catastrophic...
23 KB (3,147 words) - 07:30, 13 February 2024
The Cretaceous–Paleogene (K–Pg) extinction event, also known as the K–T extinction, was the mass extinction of three-quarters of the plant and animal species...
193 KB (21,217 words) - 18:24, 30 October 2024
the Anthropocene period Climate change (modern day) Climate change (general concept) Climate across Cretaceous–Paleogene boundary Thermal history of Earth...
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century, a significant amount of research has been conducted on the Cretaceous–Paleogene extinction event, the mass extinction that ended the dinosaur-dominated...
120 KB (12,560 words) - 14:02, 2 September 2024
Chicxulub crater (category Cretaceous–Paleogene boundary)
with the Cretaceous–Paleogene boundary (commonly known as the K–Pg or K–T boundary). It is now widely accepted that the devastation and climate disruption...
84 KB (8,238 words) - 20:07, 26 October 2024
by an asteroid impact, and is associated with the Cretaceous–Paleogene extinction event. The boundary is defined as the rusty colored base of a 50 cm thick...
65 KB (7,345 words) - 15:06, 2 November 2024
the Gulf of Mexico. The end of the Cretaceous is defined by the abrupt Cretaceous–Paleogene boundary (K–Pg boundary), a geologic signature associated with...
96 KB (9,913 words) - 00:28, 30 October 2024
of the world, known as the Cretaceous–Paleogene boundary (K–T boundary). K is the traditional abbreviation for the Cretaceous Period derived from the German...
18 KB (1,705 words) - 21:08, 5 November 2024
Hell Creek Formation (category Paleogene Montana)
temperate climate with no prolonged annual cold. The famous iridium-enriched Cretaceous–Paleogene boundary, which separates the Cretaceous from the Cenozoic...
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Phanerozoic (section Paleogene Period)
ichthyosaurs. However, the Jurassic-Cretaceous boundary did not strongly impact most forms of life. The Cretaceous is the Phanerozoic's longest period...
61 KB (6,170 words) - 09:50, 10 October 2024
Paleocene (redirect from Climate of the Paleocene)
"The Chicxulub Asteroid Impact and Mass Extinction at the Cretaceous-Paleogene Boundary" (PDF). Science. 327 (5970): 1214–1218. Bibcode:2010Sci...327...
156 KB (17,582 words) - 12:37, 2 November 2024
Tanis (fossil site) (category Cretaceous–Paleogene boundary)
fronting the late Cretaceous Western Interior Seaway. The iridium-enriched Cretaceous–Paleogene boundary, which separates the Cretaceous from the Cenozoic...
31 KB (3,537 words) - 20:41, 17 October 2024
Eocene–Oligocene extinction event (redirect from Eocene-Oligocene boundary)
17 March 2023. Shackleton, N. J. (1 October 1986). "Boundaries and Events in the Paleogene Paleogene stable isotope events". Palaeogeography, Palaeoclimatology...
39 KB (4,198 words) - 08:08, 3 November 2024
1997). "Nonmarine extinction across the Cenomanian-Turonian boundary, southwestern Utah, with a comparison to the Cretaceous-Tertiary extinction event"...
104 KB (10,777 words) - 07:42, 3 November 2024
Mesozoic (section Cretaceous)
extinction in the Earth's history. The upper boundary of the Mesozoic is set at the Cretaceous–Paleogene extinction event (or K–Pg extinction event),...
41 KB (4,325 words) - 00:43, 5 November 2024
Lefipán Formation (category Cretaceous–Paleogene boundary)
Lefipán Formation is a Maastrichtian to Danian, straddling the Cretaceous-Paleogene boundary, geologic formation of the Cañadón Asfalto Basin in Chubut Province...
30 KB (2,700 words) - 06:21, 22 September 2024
East Gondwana (redirect from Cretaceous South Pole)
forth. The Sobral Formation of Seymour Island spanning the Cretaceous–Paleogene boundary at a paleolatitude of 63°S provided a new genus of fossil flower...
51 KB (5,722 words) - 17:11, 8 July 2024
Triassic–Jurassic extinction event (category History of climate variability and change)
extinction and adaptation between the Triassic–Jurassic and Cretaceous–Paleogene boundaries. He recognized how dinosaurs, lepidosaurs (lizards and their...
156 KB (16,659 words) - 23:19, 5 November 2024
Paleobiota of the Hell Creek Formation (category Cretaceous–Paleogene boundary)
T.; Field, D.J. (2011). "Mass extinction of birds at the Cretaceous–Paleogene (K–Pg) boundary". Proceedings of the National Academy of Sciences. 108 (37):...
156 KB (7,537 words) - 04:19, 10 October 2024
Yucatán Peninsula (section Climate)
dinosaurs at the transition from the Cretaceous to the Paleogene Period, the Cretaceous–Paleogene boundary (K–Pg boundary), 66 million years ago was caused...
25 KB (2,552 words) - 08:19, 23 October 2024
Jurassic (redirect from Climate of the Jurassic)
the Jurassic, however, has no clear, definitive boundary with the Cretaceous and is the only boundary between geological periods to remain formally undefined...
234 KB (25,266 words) - 10:58, 5 November 2024
[excessive citations] The basal penguins lived around the time of the Cretaceous–Paleogene extinction event in the general area of southern New Zealand and...
82 KB (8,050 words) - 01:55, 28 October 2024
and most richly fossiliferous sequence of beds spanning the Cretaceous-Paleogene boundary in any single sedimentary basin in the world. These include...
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separate landmasses: elements of this break-up nearly coincide with the Cretaceous–Paleogene extinction event. The India–Madagascar–Seychelles separations appear...
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Eocene (redirect from Climate of the Eocene)
manatees and dugongs. It is thought that millions of years after the Cretaceous-Paleogene extinction event, brain sizes of mammals now started to increase...
106 KB (11,762 words) - 04:48, 30 September 2024
epoch, and are the only dinosaur lineage known to have survived the Cretaceous–Paleogene extinction event approximately 66 mya. Dinosaurs can therefore be...
283 KB (28,268 words) - 18:11, 30 October 2024
Pre-Noachian (section Boundaries and subdivisions)
changes in the dominant fauna or environmental conditions. (See Cretaceous–Paleogene boundary as example.) At any location, rock sections in a given system...
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Geological history of Earth (section Paleogene Period)
down in the very late Cretaceous and early Paleocene. The Cenozoic Era covers the 66 million years since the Cretaceous–Paleogene extinction event up to...
55 KB (6,434 words) - 18:25, 31 October 2024