- annual varve
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годовая ленточная глина
English-Russian dictionary of geology. 2011.
annual varve
Смотреть что такое "annual varve" в других словарях:
varve — annual deposit of silt in a lake bed, 1912, from Swed. varv turn, layer, related to O.N. hverfa, O.E. hwerfan to turn round (see WHARF (Cf. wharf)) … Etymology dictionary
varve — [värv] n. [Swed varv, a layer < varva, to turn, change < ON hverfa < IE base * kwerp , to turn > CARPUS] an annual layer of sedimentary material deposited in lakes and fiords by glacial meltwaters, consisting of two distinct bands of… … English World dictionary
Varve — [ thumb|right|300px|Pleistocene age varves at Scarboro Bluffs, Toronto, Ontario, Canada. The thickest varves are more than half an inch thick. ] A varve is an annual layer of sediment or sedimentary rock. The word varve is derived from the… … Wikipedia
varve — noun Etymology: Swedish varv turn, layer; akin to Old Norse hvarf ring, Old English hweorfan to turn more at wharf Date: 1912 a pair of layers of alternately finer and coarser silt or clay believed to comprise an annual cycle of deposition in a… … New Collegiate Dictionary
varve — /vahrv/, n. Geol. (in lake sediments) an annual deposit usually consisting of two layers, one of fine materials and the other of coarse. [1920 25; < Sw varv a round, (complete) turn] * * * … Universalium
varve — noun An annual layer of sediment or sedimentary rock … Wiktionary
Gerard De Geer — Baron Gerard Jacob De Geer (1858 1943) was a Swedish geologist who made significant contributions to Quaternary geology, particularly geomorphology and geochronology. De Geer is best known for his discovery of varves. Early life and family De… … Wikipedia
Holocene Epoch — formerly Recent Epoch Latest interval of the Earth s geologic history, dating from 10,000 years ago to the present. The younger of the two epochs that constitute the Quaternary Period, the Holocene follows the last glacial stage of the… … Universalium
geochronology — 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] * * *… … Universalium
Proxy (climate) — Climate proxies are preserved physical characteristics of the past that enable scientists to reconstruct the climatic conditions that prevailed during much of the Earth s history. As reliable modern records of climate only began in the 1880s,… … Wikipedia
Incremental dating — techniques allow the construction of year by year annual chronologies, which can be temporally fixed ( i.e., linked to the present day and thus calendar or sidereal time) or floating.Archaeologists use tree ring dating (dendrochronology) to… … Wikipedia
