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Miocene epoch
(Encyclopedia)Miocene epoch mīˈəsēn [key], fourth epoch of the Tertiary period in the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from around 24.6 to 5.1 mill...Etna
(Encyclopedia)Etna or Aetna both: ĕtˈnə [key], volcano, 10,958 ft (3,340 m) high, on the east coast of Sicily, S Italy. One of the most active volcanoes in the world, it also is the highest active volcano in Eur...Captain Jack
(Encyclopedia)Captain Jack (d. 1873), subchief of the Modoc and leader of the hostile group in the Modoc War (1872–73). Jack, whose Modoc name was Kintpuash kĭntˈpo͞oäsh [key], had agreed (1864) to leave his ...Tularosa Basin
(Encyclopedia)Tularosa Basin, desert basin, c.6,500 sq mi (16,800 sq km), S N.Mex. and W Tex. From Texas east of El Paso the basin, an area of interior drainage, extends c.170 mi (275 km) to the north, and ranges c...Saint Helens, Mount
(Encyclopedia)Saint Helens, Mount, volcanic peak, 8,363 ft (2,549 m; 9,677 ft/2,950 m before its 1980 eruption) high, SW Wash., historically the most active volcano in the Cascade Range. Dormant since 1857, Mt. St....Cretaceous period
(Encyclopedia)Cretaceous period krĭtāˈshəs [key], third and last period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from approximately 144 to 65 millio...Guiana Highlands
(Encyclopedia)Guiana Highlands, mountainous tableland, c.1,200 mi (1,930 km) long and from 200 to 600 mi (322–966 km) wide, N South America, bounded by the Orinoco and Amazon river basins, and by the coastal lowl...Odebrecht corruption scandal
(Encyclopedia)Odebrecht corruption scandal, series of graft scandals involving the Odebrecht (now Novonor), a Brazilian construction and petrochemicals conglomerate, as well as Petrobras, the Brazilian multinationa...Vesta, in astronomy
(Encyclopedia)Vesta vĕsˈtə [key], in astronomy, the fourth asteroid to be discovered. It was found in 1807 by H. Olbers. It is the third largest asteroid in size, with a diameter of c.326 mi (525 km). Its averag...Vesuvius
(Encyclopedia)Vesuvius vəso͞oˈvēəs [key], Ital. Vesuvio, active volcano, S Italy, on the eastern shore of the Bay of Naples, SE of Naples. The only other active volcano on the European mainland is the Campi Fl...Browse by Subject
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