subsidence of the basin continued
91geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… …
92Andes Mountains — Mountain system, western South America. One of the great natural features of the globe, the Andes extend north south about 5,500 mi (8,850 km). They run parallel to the Caribbean Sea coast in Venezuela before turning southwest and entering… …
93tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
94Pleistocene Epoch — Earlier and longer of the two epochs that constitute the Quaternary Period. The Pleistocene began с 1.8 million years ago and ended с 10,000 years ago. It was preceded by the Pliocene Epoch of the Tertiary Period and followed by the Holocene… …
95Hurricane Katrina — Infobox Hurricane Name=Hurricane Katrina Type=hurricane Year=2005 Basin=Atl Image location=Hurricane Katrina August 28 2005 NASA.jpg Formed=August 23, 2005 Dissipated=August 30, 2005 1 min winds=150 Pressure=902 Da Inflated=1 Damagespost=… …
96Gran Chaco — /grddahn chah kaw/ an extensive subtropical region in central South America, in Argentina, Bolivia, and Paraguay. 300,000 sq. mi. (777,000 sq. km). Also called Chaco. * * * Spanish Chaco or El Chaco Lowland alluvial plain, south central South… …
97Old Hammond Highway — is the designation for what was the main traffic route between New Orleans, Louisiana, and Hammond, Louisiana, United States, for a short time in the early 20th century. It was largely replaced by U.S. Highway 51. Parts of the roadway followed… …
98Cathedral architecture of Western Europe — A cathedral is a church, usually Roman Catholic, Anglican, or Eastern Orthodox, housing the seat of a bishop. The word cathedral takes its name from the word cathedra , or Bishop s Throne (In Latin: ecclesia cathedralis ). The term is often… …
99volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… …
100Colonel Allensworth State Historic Park — Allensworth Historic District U.S. National Register of Historic Places U.S. Historic district …
