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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...
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...
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...
molasse
Book article from: The Oxford Companion to the Earth ...to describe soft, friable sandstones. It was subsequently used by Studer in 1825 to describe the entire Oligo–Pliocene sedimentary sequence of the central Swiss Plateau and adjacent areas. The sequence consists of approximately 7000 m of sediments...
metamorphic core complex
Book article from: The Oxford Companion to the Earth ...km 2 ) in the Scandinavian Caledonides of west Norway. Core complexes have been formed throughout the Earth's history: Pliocene–Pleistocene core complexes (possibly still active) occur in the D'Entrecastaux islands off Papua New Guinea...
heterochrony in palaeontology
Book article from: The Oxford Companion to the Earth ...for instance, studies of Cenozoic brachiopods from Australia and New Zealand show a paedomorphocline in which adults in the Pliocene show features found in juveniles in the Palaeocene. In this case the change appears to be related to the adaptations from...

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 .
Nukumaruan
Book article from: A Dictionary of Earth Sciences ...series in the Quaternary of New Zealand, underlain by the Pliocene , overlain by the Castlecliffian Series, and roughly contemporaneous...Nukumaruan to overlie the Mangapanian Stage within the uppermost Pliocene and thereby to include the Tertiary/Quaternary boundary.
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...
Tayassuidae
Book article from: A Dictionary of Zoology ...Old and New Worlds until the Miocene ; one survived until the Pliocene in S. Africa. During the Pleistocene they were distributed...temperate N. America. They reached S. America during the Pliocene and today they occur throughout most of S. America and as...
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...
sabertooth
Book article from: The Oxford Pocket Dictionary of Current English ...Smilodon of the American Pleistocene and genus Machairodus of the Old World Pliocene) of the cat family, with massive, curved upper canine teeth. 2...Thylacosmilus , family Borhyaenidae) with similar teeth, of the South American Pliocene.
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...
Bronn, Heinrich Georg
Dictionary entry from: Complete Dictionary of Scientific Biography ...modern species increases. His divisions correspond closely to those established as Eocene, Miocene, Older Pliocene, and Newer Pliocene in Lyell ’ s Principles of Geology (1833). Bronn ’ s extensive Lethaea geognostica...
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...

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...
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 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...
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...
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...
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...
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...
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...
Pliocene Amphibians and Reptiles from Clark County, Nevada.
Magazine article from: Bulletin (Southern California Academy of Sciences); 4/1/2001; ; 700+ words ; ...CHRISTOPHER J. BELL [2] Abstract.--Pliocene herpetofaunas are uncommon in the published literature. Here we report on a small Pliocene (Blancan Land Mammal Age) herpetofauna...who assigned the sediments a Mio-Pliocene age based on vertebrate taxa present...