fossil soils

fossil soils
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English-Russian Biotechnology Glossary. . 2007.

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  • Polystrate fossil — [ Nova Scotia, Canada (printed 1868).] Polystrate or upright fossil describes fossils of single organisms (such as tree trunks) that run through more than one geological strata. Entire fossil forests have been discovered [… …   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

  • Paleopedological record — The paleopedological record is, essentially, the fossil record of soils. The paleopedological record consists chiefly of paleosols buried by flood sediments, or preserved at geological unconformities, especially plateau escarpments or sides of… …   Wikipedia

  • Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

  • Paleopedology — (palaeopedology in the United Kingdom) is the discipline that studies soils of past geological eras, from quite recent (Quaternary) to the earliest periods of the Earth s history. Paleopedology can be seen either as a branch of soil science… …   Wikipedia

  • Evolutionary history of plants — Plants have evolved through increasing levels of complexity, from the earliest algal mats, through bryophytes, lycopods, ferns and gymnosperms to the complex angiosperms of today. While the simple plants continue to thrive, especially in the… …   Wikipedia

  • Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… …   Universalium

  • Ultisols — are an order in USDA soil taxonomy. They are defined as mineral soils which contain no calcareous material anywhere within the soil , have less than 10% weatherable minerals in the extreme top layer of soil, and have less the 35% base saturation… …   Wikipedia

  • Paleosol — In soil science, paleosols ( palaeosols in Great Britain and Australia) can have two meanings. The first meaning, is simply that of a former soil preserved by burial underneath either sediments (alluvium or loess) or volcanic deposits (Volcanic… …   Wikipedia

  • Entisol — In USA soil taxonomy, Entisols are defined as soils that do not show any profile development. An Entisol has no diagnostic horizons, and most are basically unaltered from their parent rock.In Australia, most Entisols are known as Rudosols or… …   Wikipedia

  • atmosphere, evolution of — Introduction  the development of Earth s (Earth) atmosphere across geologic time. The process by which the current atmosphere arose from earlier conditions is complex; however, evidence related to the evolution of Earth s atmosphere, though… …   Universalium


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