succession of beds

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• Sequence stratigraphy — is a relatively new branch of geology that attempts to link relative sea level changes to sedimentary deposits. The essence of the method is mapping of strata based on identification of surfaces which represent time lines (e.g. subaerial… …   Wikipedia

• rhythmite —    An individual unit of a succession of beds developed by rhythmic sedimentation; e.g., a cyclothem.    The term implies no limit as to bedding thickness or complexity and denotes no time or seasonal connotation.    Compare: varve, cyclothem.… …   Glossary of landform and geologic terms

• autochthon — /ɔˈtɒkθən / (say aw tokthuhn) noun (plural autochthons or autochthones /ɔˈtɒkθəniz/ (say aw tokthuhneez)) 1. an aboriginal inhabitant. 2. Ecology one of the indigenous animals or plants of a region. 3. in alpine geology, a succession of beds… …  

• formation — /fɔˈmeɪʃən / (say faw mayshuhn) noun 1. the act or process of forming. 2. the state of being formed. 3. the manner in which a thing is formed; disposition of parts; formal structure or arrangement. 4. Military a particular disposition of troops.… …  

• Permian Period — Interval of geologic time, 290–248 million years ago. The last of the six periods of the Paleozoic Era, it follows the Carboniferous Period. During the Permian, the continents joined to form a single supercontinent, Pangea. Hot, dry conditions… …   Universalium

• Geology of Alderley Edge — Infobox Mountain Name = Alderley Edge Photo = Stormy Point 1993.jpg Caption = Stormy Point Elevation = 183 m (600 ft) Location = Cheshire, ENG Range = Prominence = Coordinates = Topographic OS Landranger 118 Grid ref UK = SJ870760 Grid ref… …   Wikipedia

• France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …   Universalium

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• Triassic Period — Interval of geologic time, с 248–206 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life forms… …   Universalium

• Spain — • This name properly signifies the whole peninsula which forms the south western extremity of Europe. Since the political separation of Portugal, however, the name has gradually come to be restricted to the largest of the four political divisions …   Catholic encyclopedia

• Minsmere RSPB reserve — Coordinates: 52°14′33″N 01°36′50″E / 52.2425°N 1.61389°E / 52.2425; 1.61389 …   Wikipedia