Usolka section, Southern Ural Mts, Russia 53.9247°N 56.7287°E 55.4 m (bed 26/3) in the Usolka section Conodont FAD: Mesogondolella monstra; Ratified 2018 Episodes 2020; 43: Asselian Stage: 298.9 ± 0.15 Aidaralash Creek, Kazakhstan

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K) 0000723: Sillimanite: Winter J K, Ghose S (1979) Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 polymorphs American Mineralogist 64 573-586 1979: 0: 298: 0000724: Sillimanite: Winter J K, Ghose S (1979) Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 …

The African humid period (AHP) (also known by other names) is a climate period in Africa during the late Pleistocene and Holocene geologic epochs, when northern Africa was wetter than today. The covering of much of the Sahara desert by grasses, trees and lakes was caused by changes in Earth's orbit around the Sun; changes in vegetation and dust in the Sahara which …

Tuscan-Emilian Apennines, Italy 1934 Metro Obolonsko–Teremkivska line: Kyiv Metro, Ukraine (construction started at the time of Soviet Union) 1976–2013 Metro Istanbul Metro Istanbul, Turkey 2013-2022 Railway Twin Tube Qinling Tunnel I-II Qin Mountains, China 2000 2 tubes: left tube is 18460 meters, right tube is 18456 meters

The Cascade Range is in essence a maturely dissected highland, composed in part of upwarped Colombian lavas, in part of older rocks, and crowned with several dissected volcanoes, of which the chief are (beginning in the north) Mts Baker (Io,827 ft.), Rainier (14,363 ft.), Adams (12,470 ft.) and Hood (11,225 ft.); the first three in \Vashington, the last in northern Oregon- These bear ...