younger beds

См. также в других словарях:

• Cinder Cone and the Fantastic Lava Beds — For the generic cinder cone, see cinder cone. Cinder Cone Cinder Cone is a 700 foot (213 m) high cone of loose scoria …   Wikipedia

• Lava Beds National Monument — Infobox protected area | name = Lava Beds National Monument iucn category = III caption = locator x = 18 locator y = 53 location = Northern California, USA nearest city = Klamath Falls, Oregon lat degrees = 41 lat minutes = 42 lat seconds = 50… …   Wikipedia

• John Day Fossil Beds National Monument — Coordinates: 44°33′21″N 119°38′43″W / 44.55583°N 119.64528°W / 44.55583; 119.64528 …   Wikipedia

• Daohugou Beds — Stratigraphic range: Middle Late Jurassic Type Geological formation Unit of Tiaojishan Formation?, Haifanggou Formation? Underlies Tuchengzi Formation Overlies Tiaojishan Formation …   Wikipedia

• Red beds — The term red beds usually refers to strata of reddish colored sedimentary rocks such as sandstone, siltstone or shale that were deposited in hot climates under oxidizing conditions. [http://www.ac.wwu.edu/ babcock/v2 1.html] The red color comes… …   Wikipedia

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …   Universalium

• 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

• Onlap — or overlap is the geologic phenomenon of successively younger rock strata extending progressively further across an erosion surface cut in older rocks. It is generally associated with a marine transgression. It is a more general term than… …   Wikipedia

• law of superposition — a law in geology: where there has been no subsequent disturbance sedimentary strata were deposited in ascending order with younger beds successively overlying older beds * * * Geol. a basic law of geochronology, stating that in any undisturbed… …   Useful english dictionary

• Thectardis — taxobox fossil range=Ediacaran, 565 555 Ma regnum = Animalia (?) color = #taxobox color|animalia phylum = incertae sedis genus = Thectardis genus authority = Clapham et al. 2004 species = T. avalonensis species authority = Clapham et al.… …   Wikipedia