geological boundary

См. также в других словарях:

• Boundary Ranges — Lage der Boundary Ranges …   Deutsch Wikipedia

• Geological history of Earth — impacting the Earth in a glancing blow. [cite journal | last = R. Canup and E. Asphaug | title = Origin of the Moon in a giant impact near the end of the Earth s formation | journal = Nature | volume = 412 | pages = 708–712 | date = 2001 | url =… …   Wikipedia

• K–T boundary — The K T boundary is a geological signature, usually a thin band, dated to 65.5 ± 0.3 (mya). [ [http://www.stratigraphy.org/cheu.pdf International commission for Stratigraphy] ] K is the traditional abbreviation for the Cretaceous Period, and T is …   Wikipedia

• Global Boundary Stratotype Section and Point — A Global Boundary Stratotype Section and Point, abbreviated GSSP, is an internationally agreed upon stratigraphic section which serves as the reference section for a particular boundary on the geologic time scale. The effort to define GSSPs is… …   Wikipedia

• Cretaceous-Tertiary boundary — Cre*ta ceous Tert i*ar*y boun da*ry (kr[ e]*t[=a] sh[u^]s), n. a thin layer of geologic deposits, of varying thickness in different parts of the world, found between the geological strata identified as Cretaceous and the strata above, identified… …   The Collaborative International Dictionary of English

• Maritime boundary — Graphic representation of maritime zones …   Wikipedia

• Northern Harz Boundary Fault — The Northern Harz Boundary Fault[1][2] (German: Harznordrandverwerfung, Nordharzrandverwerfung or Harznordrandstörung) is a geological fault where the Harz Block, which consists of rocks formed during the Palaeozoic Era and folded in the course… …   Wikipedia

• Core–mantle boundary — See also: Post perovskite Schematic view of the interior of Earth. 1. continental crust 2. oceanic crust 3. upper mantle 4. lower mantle 5. outer core 6. inner core A: Mohorovičić discontinuity B: core–mantle boundary (Gutenberg discontinuity) C …   Wikipedia

• K-T boundary — noun The geological signature of the transition between the Cretaceous period and the Tertiary period 65.5 million years ago.This transition is marked worldwide by a layer of material that contains a high level of Iridium …   Wiktionary

• Chicxulub crater — Imaging from NASA s Shuttle Radar Topography Mission STS 99 reveals part of the 180 kilometer (112 mi) diameter ring of the crater; clustered around the crater s trough are numerous sinkholes, suggesting a prehistoric oceanic basin in… …   Wikipedia

• Killarney National Park — Infobox protected area | name = Killarney National Park iucn category = II caption = locator x = locator y = location = Killarney, Ireland nearest city = Cork lat degrees = 51 lat minutes = 59 lat seconds = 36 lat direction = N long degrees = 9… …   Wikipedia