Only show
results for:

Topics related to "Pliocene"

Pliocene epoch
Pliocene epoch , fifth epoch of the Cenozoic era of geologic time (see Geologic Timescale , table), from 5.1 to 2 million years ago. By the beginning of the Pliocene, the outlines of North America were almost the same as in recent time. Encroachments by the sea were limited to a narrow strip alon... Read more
Geologic Timescale
Geologic Timescale Geologic Timescale Era Period Epoch Approximate duration (millions of years) Approximate number of years ago (millions of years)  Not an era but the time preceding the Cambrian. Cenozoic ... Read more
Tertiary period
Tertiary period , name for the major portion of the Cenozoic era , the most recent of the geologic eras (see Geologic Timescale , table) from around 26 to 66 million years ago. The name Tertiary was first applied about the middle of the 18th cent. to a layer of deposits, largely unconsolidated s... Read more
Tertiary period
Tertiary period , name for the major portion of the Cenozoic era , the most recent of the geologic eras (see Geologic Timescale , table) from around 26 to 66 million years ago. The name Tertiary was first applied about the middle of the 18th cent. to a layer of deposits, largely unconsolidated s... Read more
Sir Charles Lyell
Sir Charles Lyell , 1797-1875, British geologist. After studying and briefly practicing law, he spent most of his life in travel and in popularizing scientific ideas. He championed and won general acceptance of the theory of uniformity of causes, which was first proposed by James Hutton (as oppose... Read more
Cenozoic era
Cenozoic era , last major division of geologic time (see Geologic Timescale , table) lasting from 65 million years ago to the present. The Cenozoic is divided into the Tertiary (from 65 million years ago until 2 million years ago) and Quaternary (2 million years ago to the present) periods. Early i... Read more
Miocene epoch
Miocene epoch , fourth epoch of the Tertiary period in the Cenozoic era of geologic time (see Geologic Timescale , table), lasting from around 24.6 to 5.1 million years ago. North America was more extensively submerged in the Miocene than in the preceding Oligocene epoch and underwent cons... Read more
horse
horse hoofed, herbivorous mammal now represented by a single extant genus, Equus. The term horse commonly refers only to the domestic Equus caballus and to the wild Przewalski's horse . (Other so-called wild horses are feral domestic horses or their descendants.) Adapted to plains environmen... Read more
Antarctica
Antarctica , the fifth largest continent, c.5,500,000 sq mi (14,245,000 sq km), asymmetrically centered on the South Pole and almost entirely within the Antarctic Circle. Geology and Geography Antarctica consists of two major regions: W Antarctica (c.2,500,000 sq mi/6,475,000 sq km), a mou... Read more

Encyclopedia entries related to "Pliocene"

Pliocene epoch
Book article from: The Columbia Encyclopedia, Sixth Edition Pliocene epoch , fifth epoch of the Cenozoic era...million years ago. By the beginning of the Pliocene, the outlines of North America were almost...preceding Miocene epoch , in California. The Pliocene formations on the Atlantic coast are chiefly...
Pliocene
Book article from: The Oxford Companion to the Earth Pliocene In 1833 Charles Lyell proposed to use the rate...proportion of extant forms increasing with time. The Pliocene was one of his original divisions of time, itself divided into Newer Pliocene with 90 per cent of its mollusc species living...
Messinian salinity crisis
Book article from: The Oxford Companion to the Earth ...through several hundred metres of pelagic Pliocene and Holocene beds into very thick evaporites...breached by a rise in sea level as the Pliocene period began. The Messinian salts were...argillaceous capping beds from solution by the Pliocene waters. Whether or not the rise of Atlantic...
Pleistocene
Book article from: The Oxford Companion to the Earth ...superficial deposits, thus rest upon the Pliocene and older rock formations. Pleistocene...Pleistocene, under the name ‘Newer Pliocene’, based upon exposures of...Villafranchian has been considered as Pliocene, largely on account of its fossil mammal...
ice-age theories
Book article from: The Oxford Companion to the Earth ...increased ice growth in Antarctica, while the decrease in the late Pliocene is probably due to ice build-up on the continents of the northern hemisphere. Dealing with the Late Pliocene cooling in more detail, recent oxygen isotope analysis of deep...
Tertiary period
Book article from: The Columbia Encyclopedia, Sixth Edition ...Tertiary are the Paleocene , Eocene , Oligocene , Miocene , and Pliocene epochs . Sometimes the Paleocene is included in the Eocene...Miocene epochs, the continents being generally emergent in the Pliocene epoch. The Tertiary formations of either unconsolidated sediments...
Man
Book article from: The Oxford Companion to the Earth ...Ardipithecus ramidus, was found in a 4.4 million-year-old (Pliocene) horizon in Ethiopia. The pelvis and leg bones of A. ramidus...Australopithecus contains three species, all from African Pliocene sites: A. anamensis, known only from Kenya in beds between...
Miocene epoch
Book article from: The Columbia Encyclopedia, Sixth Edition ...Washington, Oregon, N California, and N Nevada was formed by a great outpouring of lava, which continued in the succeeding Pliocene epoch. During the Miocene most of N Europe was elevated, but marine waters covered E Spain, S France, Italy, and a depressed...
Dinotherium
Book article from: The Columbia Encyclopedia, Sixth Edition ...Gr.,=terrible beast], extinct mammal related to the elephant, fossil remains of which have been found in Miocene and Pliocene formations of Africa, Europe, and India. It had a short proboscis and a pair of tusks which extended downward, curving...
Cenozoic era
Book article from: The Columbia Encyclopedia, Sixth Edition ...of a few specialized types, in the Quaternary period . Theories explaining the decline or extinction of mammals during the Pliocene and Pleistocene epochs of the quaternary have ranged from a change in climate to the predation of humans. Cenozoic land mammals...

Dictionary entries related to "Pliocene"

Pliocene
Book article from: The Oxford Pocket Dictionary of Current English ...Geol. of, relating to, or denoting the last epoch of the Tertiary period, between the Miocene and Pleistocene epochs. ∎  [as n. ] ( the Pliocene ) the Pliocene epoch or the system of rocks deposited during it.
pliocene
Book article from: The Concise Oxford Dictionary of English Etymology pliocene see EOCENE .
Giraffidae
Book article from: A Dictionary of Zoology ...legged forms like the okapi are known as fossils from the Pliocene of Eurasia, and in the Pleistocene of Africa and southern...Sivatherium . The okapi is almost indistinguishable from the Pliocene genus Palaeotragus . Both sexes bear short horns covered by...
Felidae
Book article from: A Dictionary of Zoology ...more or less modern in appearance by the Oligocene . Until the Pliocene , ‘sabretooth’ and ‘false...day cat, with much reduced canines, was derived during the Pliocene. Cats are divided into several genera: Acinonyx , Felis...
Cervidae
Book article from: A Dictionary of Zoology ...A family of browsing or grazing animals, which appeared in Eurasia in Miocene and early Pliocene times and had radiated widely by the end of the Pliocene. Some of the later Pleistocene representatives (e.g. Megaceros giganteus , the Irish...
eocene
Book article from: The Concise Oxford Dictionary of English Etymology ...OLIGO-, palaeocene lowest division of the tertiary. See PALAEO- , pleistocene following the pliocene. f. Gr. pleîstos most. pliocene highest division of the tertiary, following the miocene. f. Gr. pleíōn...
Brocchi, Giovanni Battista
Dictionary entry from: Complete Dictionary of Scientific Biography ...conclusions concerning these deposits; nearly all his collections were from Pliocene deposits — indeed, they constitute much of the “ type ” Pliocene of Lyell. Brocchi made his first extensive exploration of central Italy...
Mayer-Eymar, Karl
Dictionary entry from: Complete Dictionary of Scientific Biography ...glaciers of the southern Alps were contemporaneous with the Pliocene sea in northern Italy. He demonstrated that the glacial deposits...mollusks and therefore had to be more recent than the late Pliocene marine sediments of the Astian. BIBLIOGRAPHY I. Original...
Newton, Edwin Tulley
Dictionary entry from: Complete Dictionary of Scientific Biography ...studying the vertebrate fragments from the Pleistocene and Pliocene deposits in England. His most important monographs are probably...10 (1888), 406 – 424; The Vertebrata of the Pliocene Deposits of Britain (London,) 1891); “ Reptiles...
Rames, Jean Baptiste
Dictionary entry from: Complete Dictionary of Scientific Biography ...Cantal and of the Mont-Dore were erected during the Lower Pliocene. Rames presented a theory according to which the excavation...x201C; Les caract è res propres a la vegetation pliocene; a propos des decouvertes de M. J. Rames dans le Cantal...

Related newspaper, magazine, and trade journal articles from HighBeam Research

Middle Pliocene paleoclimate in the Glenns Ferry Formation of Hagerman Fossil Beds National Monument, Idaho: a baseline for evaluating faunal change.
Magazine article from: Journal of the Idaho Academy of Science; 12/1/2006; ; 700+ words ; ...fossiliferous Glenns Ferry Formation (Pliocene) at Hagerman Fossil Beds National Monument...Hagerman Fossil Beds National Monument, Pliocene, paleoclimate, Glenns Ferry Formation...have emphasized the importance of the Pliocene in paleoclimate studies because this...
New species of dinoflagellate cysts and other palynomorphs from the latest miocene and pliocene of DSDP hole 603C, Western North Atlantic
Magazine article from: Journal of Paleontology; 1/1/2003; ; 700+ words ; ...appears to range no higher than lowermost Pliocene at 5.2 Ma, Pyxidino?psis ve.iculata...range top at about 4.5 Ma in the Lower Pliocene, Corr,.odinium del,emaline n...of 4.7-4.1 Ma within the Lower Pliocene, and Leiosphaeridia ror-khallensis...
Rocky shores and development of the Pliocene-Pleistocene Arroyo Blanco Basin on Isla Carmen in the Gulf of California, Mexico (1).
Magazine article from: Canadian Journal of Earth Sciences; 8/1/2006; ; 700+ words ; ...157 m thick, nearly complete record of Pliocene-Pleistocene history in the Gulf of...ramp. The ramp expanded onshore through Pliocene time, based on a succession of overlapping...macrofossils typical of Lower through Upper Pliocene strata in the Gulf of California. The...
NEW DINOFLAGELLATE CYST AND INCERTAE SEDIS TAXA FROM THE PLIOCENE OF NORTHERN BELGIUM, SOUTHERN NORTH SEA BASIN
Magazine article from: Journal of Paleontology; 7/1/2004; ; 700+ words ; ...dinoflagellate cyst taxa have been recovered from Pliocene deposits in the Antwerp area of Belgium...INTRODUCTION IN BELGIUM, marine deposits of Pliocene age are restricted to the northern part...Antwerp Harbor. Studies on the Belgian Pliocene by de Heinzelin (1950a, 1950b, 1955...
Pliocene crustal shortening on the Tyrrhenian side of the northern Apennines: evidence from the Gavorrano antiform (southern Tuscany, Italy)
Magazine article from: Journal of the Geological Society; 1/1/2008; ; 700+ words ; ...Tyrrhenian Sea, it provides clear evidence of Pliocene shortening deformation and magma emplacement...affected by crustal shortening during the Pliocene. This scenario matches well geophysical...1998), proof of Late Miocene-Pliocene crustal extension in the inner northern...
Oligocene and Pliocene interglacial events in the Antarctic Peninsula dated using strontium isotope stratigraphy
Magazine article from: Journal of the Geological Society; 3/1/1997; ; 700+ words ; ...exposures on Cockburn Island is dated as Pliocene (3.5-5.3 Ma). Published data...day Antarctica. Keywords: Oligocene, Pliocene, Antarctic Peninsula, 67Sr/86Sr...Peninsula; specifically, an unequivocal Pliocene age for the Pecten Conglomerate on Cockburn...
A Perpetually Running ENSO in the Pliocene?
Magazine article from: Journal of Climate; 6/15/2009; ; 700+ words ; ...gradient in the tropical Pacific of the Pliocene. One favored hypothesis is that it was...in time. 1. Introduction During the Pliocene (roughly 2-5 million years before...et al. 2008, for this period) the Pliocene inference is widely accepted as being...
Contrasting models of temperate carbonate sedimentation in a small Mediterranean embayment: the Pliocene Carboneras Basin, SE Spain
Magazine article from: Journal of the Geological Society; 5/1/2004; ; 700+ words ; ...Mediterranean Sea in SE Spain, during the early Pliocene. Transgressive systems tract carbonate...coexist in a single basin. Keywords: Pliocene, SE Spain, carbonates, temperate environment...deposits. This paper focuses on lower Pliocene, temperate carbonates of the Carboneras...
Revision of the Blancan (Pliocene) mammals from Hagerman Fossil Beds National Monument, Idaho.
Magazine article from: Journal of the Idaho Academy of Science; 6/1/2009; ; 700+ words ; ABSTRACT The Blancan (Pliocene) fossils from Hagerman Fossil Beds...with other studies on HAFO in the Pliocene (paleoclimate and chronology) in...Formation. Key words: Hagerman, Idaho, Pliocene, Blancan, Mammalia INTRODUCTION...
Late Miocene to Pliocene Sedimentary Environments of the Western Carpathians: Response to Tectonic and Climatic Changes
Magazine article from: Geolines; 1/1/2004; ; 700+ words ; The Late Miocene to Pliocene paleogeography of the Western Carpathians...followed by alluvial environments in the Pliocene time. Relative sea level changes of...seasons with lower precipitation. The Pliocene transtensional tectonic regime controling...