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Topic: Tertiary Period


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In the News (Mon 28 Dec 09)

  
  Tertiary - Wikipedia, the free encyclopedia
The Tertiary period was previously one of the major divisions of the geologic timescale, from the end of the Cretaceous period about 65.5 million years ago to the start of the Quaternary period about 1.6 million years ago.
The Tertiary covers roughly the time span between the demise of the dinosaurs and beginning of the most recent ice age.
He subdivided the Tertiary period into four epochs according to the percentage of fossil mollusks resembling modern species found in those strata.
en.wikipedia.org /wiki/Tertiary   (435 words)

  
 AllRefer.com - Tertiary period (Geology And Oceanography) - Encyclopedia
Tertiary period [tUr´sh E er´´ E ] Pronunciation Key, 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 main divisions of the Tertiary are the Paleocene, Eocene, Oligocene, Miocene, and Pliocene epochs.
At the beginning of the period the mammals replaced the reptiles as the dominant animals; each epoch was marked by striking developments in mammalian life.
reference.allrefer.com /encyclopedia/T/Tertiary-1.html   (495 words)

  
 The Elements of Geology - CHAPTER XXI - THE TERTIARY
A broad belt of Tertiary sea- laid limestones, sandstones, and shales surrounds the Gulf of Mexico and extends northward up the Mississippi embayment to the mouth of the Ohio River; hence the Gulf was then larger than at present, and its waters reached in a broad bay far up the Mississippi valley.
During the Tertiary period many of the loftiest mountains of the earth--the Alps, the Apennines, the Pyrenees, the Atlas, the Caucasus, and the Himalayas--received the uplift to which they owe most of their colossal bulk and height, as portions of the Tertiary sea beds now found high upon their flanks attest.
The vast deformations of the Tertiary were accompanied on a corresponding scale by outpourings of lava, the outburst of volcanoes, and the intrusion of molten masses within the crust.
www.globusz.com /ebooks/Geology/00000034.htm   (5438 words)

  
 Cretaceous-Tertiary extinction event - Wikipedia, the free encyclopedia
It corresponds to the end of the Cretaceous Period and the beginning of the Tertiary Period.
The end of the Cretaceous coincided with the end of the dinosaurs and was in general a period of extraordinary mass extinction, leading to the Tertiary Period of the Cenozoic Era, in which mammals came to dominate on Earth.
Several paleontologists remained skeptical about the impact theory, as their reading of the fossil record suggested that the mass extinctions did not take place over a period as short as a few years, but instead occurred gradually over about ten million years, a time frame more consistent with longer term events such as massive volcanism.
en.wikipedia.org /wiki/Cretaceous-Tertiary_extinction_event   (1555 words)

  
 Tertiary
The Tertiary period is one of the major divisions of the geologic timescale, from the end of the Cretaceous period about 64 million years ago to the start of the Quaternary period about 1.6 million years ago.
Climates during the Tertiary slowly cooled starting off tropical to moderate worldwide in the Paleocene and ending up with extensive glaciations at the end of the period.
He subdivided the Tertiary period into four epochs according to the percentage of fossil mollusks that resembled modern species, using Greek names: Eocene, Miocene, Older Pliocene and Newer Pliocene.
www.brainyencyclopedia.com /encyclopedia/t/te/tertiary.html   (356 words)

  
 The Phanerozoic Eon
The period of time known as an eon, between the end of the Precambrian and today, The Phanerozoic begins with the start of the Cambrian period, 544 million years ago.
The Eocene Period (From the Greek: "eos" [dawn] and "ceno" [new]) is from 33.7 to 55.5 million years ago and has two epochs in it.
The Jurassic period was named after the Jura Mountains between France and Switzerland, where they first studied rocks of this time period and the oilfields of the North Sea are from the Jurassic.
waltm.net /phaneroz.htm   (1044 words)

  
 CVO Website - Cenozoic   (Site not responding. Last check: 2007-10-20)
The Cenozoic Era is geologic time from the beginning of the Tertiary period (65 million years ago) to the present.
It is divided into the Tertiary Period (65 to 1.8 million years ago) and the Quaternary Period (1.8 million years ago to present).
The first period of the Cenozoic era (after the Mesozoic era and before the Quaternary period), spanning the time between 65 and 1.8 million years ago.
vulcan.wr.usgs.gov /LivingWith/VolcanicPast/Notes/cenozoic.html   (394 words)

  
 Tertiary Period   (Site not responding. Last check: 2007-10-20)
Early in the Tertiary Period, the land masses were shaped roughly as we see them today and approached their present global positions.
During the Late Tertiary, sea level rose relative to the land, and the previous coastline was drowned.
Near the beginning of the Tertiary Period, the climate was warm and temperate.
museum.gov.ns.ca /fossils/geol/tert.htm   (417 words)

  
 Tertiary period   (Site not responding. Last check: 2007-10-20)
Period of geological time 65 to 1.64 million years ago, divided into five epochs: Palaeocene, Eocene, Oligocene, Miocene, and Pliocene.
During the Tertiary period, mammals took over all the ecological niches left vacant by the extinction of the dinosaurs, and became the prevalent land animals.
Within the geological time column the Tertiary follows the Cretaceous period and is succeeded by the Quaternary period.
tiscali-b2b.co.uk /reference/encyclopaedia/hutchinson/m0013050.html   (155 words)

  
 CVO Menu - The Geologic Time Scale
The period of time, also known as an eon, between the end of the Precambrian and today, The Phanerozoic begins with the start of the Cambrian period, 544 million years ago.
It encompasses the period of abundant, complex life on the Earth.
The second earliest period of the Paleozoic era.
vulcan.wr.usgs.gov /Glossary/geo_time_scale.html   (670 words)

  
 PERIOD - Definition   (Site not responding. Last check: 2007-10-20)
The termination or completion of a revolution, cycle, series of events, single event, or act ; hence, a limit ; a bound ; an end ; a conclusion.
Periods are beautiful when they are not too long.
Note : The period, according to Heyse, is a compound sentence consisting of a protasis and apodosis ; according to Becker, it is the appropriate form for the co [" o ] rdinate propositions related by antithesis or causality.
www.hyperdictionary.com /dictionary/period   (526 words)

  
 65 million to 2 million BP : Paleocene to Pliocene
The Tertiary Period encompasses the Cenozoic Era through the Pliocene Period.
Tertiary Period shows very little difference between fossil and living leaf structure.
Tertiary "Lafayette" gravels cap low-lying hills in the Miami, Oklahoma area.
showcase.netins.net /web/midpaleo/storyp6.html   (923 words)

  
 Tertiary Period --  Encyclopædia Britannica
The Tertiary has five subdivisions, which from oldest to youngest are the Paleocene, Eocene, Oligocene, Miocene, and Pliocene epochs.
As the final period of the Mesozoic Era, the Cretaceous Period follows the Jurassic Period and precedes the...
During the early Tertiary period (approximately 65–25 million years ago) the continental landmasses drifted to their present locations.
www.britannica.com /eb/article?tocId=9117453   (1009 words)

  
 Tertiary Period   (Site not responding. Last check: 2007-10-20)
The second epoch of the Tertiary Period was the Eocene Epoch!
The fourth Epoch of t he Tertiary period was the Miocene Epoch, lasting from around 24.6 to 5.1 million years ago.
This is certainly the origin of several species of Macaronesian endemic “laurels” which were widespread in the Mediterranean region in the Tertiary period.
www.columbia.k12.mo.us /ojhs/tertiaryperiod.htm   (255 words)

  
 Beijing - Wikipedia, the free encyclopedia
There were cities in the vicinities of Beijing by the 1st millennium BC, and the capital of the State of Yan (燕), one of the powers of the Warring States Period, was established at Ji (T: è—Š / S: 蓟), near modern Beijing.
The tertiary sector of industry is the most productive sector of Beijing's economy, contributing 60% of its GDP.
In the late 1970s, Beijing, alongside much of China during the period of reform and opening, opened its doors to the outside world, building many hotels and other facilities to accomodate business, tourism, and other groups visitors.
en.wikipedia.org /wiki/Beijing   (4822 words)

  
 Tertiary Period   (Site not responding. Last check: 2007-10-20)
The Tertiary Period is the first part of the Cenozoic Era.
The term Tertiary was first used in the 1760s to describe the uppermost of a three part division of the rocks in the mountains of northern Italy.
These Tertiary rocks were defined based on a particular type of fossil assemblage contained within them.
www.watersheds.org /earth/gtime04a.htm   (91 words)

  
 Introduction to the Cenozoic   (Site not responding. Last check: 2007-10-20)
Most of the Cenozoic is the Tertiary, from 65 million years ago to 1.8 million years ago.
The Tertiary Period is subdivided into the Paleogene and the Neogene, though we have not created exhibits for these divisions.
A separate seventh period is often recognized for the last 11,000 years, and is called the Holocene.
www.ucmp.berkeley.edu /cenozoic/cenozoic.html   (311 words)

  
 [No title]
~Tertiary The Tertiary is the first period of the Cenozoic Era.
~Sevier The Sevier Orogeny occurred during the Cretaceous Period and is the second oldest of the group.
~Tertiary The Tertiary Period was a time of dropping sea level, and there were some large lakes but no seaways.
www.usd.edu /exam/backup/hist2.txt   (1754 words)

  
 Tertiary period
The main divisions of the Tertiary are the
Quaternary period - Quaternary period, younger of the two geologic periods of the Cenozoic era of geologic time (see...
Table of Geological Periods - It is generally assumed that planets are formed by the accretion of gas and dust in a cosmic cloud,...
www.factmonster.com /ce6/sci/A0848255.html   (462 words)

  
 The Nation: The Land: Geology   (Site not responding. Last check: 2007-10-20)
The Middle and Upper Triassic periods are characterised by a flysch-type sedimentation.
The Tertiary rocks are distributed onshore as isolated lalcustrine basins underlying the Quarternary deposits and offshore areas mainly as thick continental areno-argillaceous sequences.
During the Early Cretaceous period, limestone was deposited in several localities on an emerging basement in eastern Sabah.
www.windowstomalaysia.com.my /nation/10_4.htm   (1382 words)

  
 FertileBasin: Tertiary Period, Subdivisions   (Site not responding. Last check: 2007-10-20)
The Tertiary faunas of western Europe that were known to 19th-century natural scientists consisted primarily of mollusks exhibiting varying degrees of similarity with modern types.
At the same time, the science of stratigraphy was in its infancy, and the primary focus of its earliest practitioners was to use the newly discovered sequential progression of fossils
This is a paragraph of text that could go in the sidebar.
fertilebasin.blogspot.com /2004/09/tertiary-period-subdivisions.html   (67 words)

  
 grasses tertiary period   (Site not responding. Last check: 2007-10-20)
In turn, these are followed by the Tertiary period Tucker Cove Limestone which is about 170...
The Miocene is the fourth epoch of the Tertiary.
Grasses and grazing mammals arose in the Miocene.
www.grassesgreener.com /greengreengrassofhome   (1050 words)

  
 Tertiary   (Site not responding. Last check: 2007-10-20)
The Tertiary period belongs to the Cenozoic era.
Flowering plants appeared in the Cretaceous period (until then the dominant plants were conifer and cycads) and continued to evolve in the Tertiary period.
The Tertiary period was filled with new life.
www.digonsite.com /drdig/other/13.html   (204 words)

  
 The Cretacious Tertiary Extinction
The mass extinction event that occurred approximately 65 million years ago marks the boundary between the Cretaceous Period of the Mesozoic Era and the Tertiary Period of the Cenozoic Era.
The early Tertiary seas were marked mainly by the absence of the formerly dominantly abundant ammonoids and rudists.
Hermatypic corals reemerged in the Tertiary Period as well, presaging their importance in recent years.
www.earth.rochester.edu /ees207/Mass_Ext/higgins_mass3.html   (699 words)

  
 Period - Definition of Period by Webster Dictionary
Period - Definition of Period by Webster Dictionary
A stated and recurring interval of time ; more generally, an interval of time specified or left indefinite ; a certain series of years, months, days, or the like ; a time ; a cycle ; an age ; an epoch ; as, the period of the Roman republic.
(Geol.) One of the great divisions of geological time ; as, the Tertiary period ; the Glacial period.
www.webster-dictionary.net /definition/period   (286 words)

  
 GEOS210 Chapter 16 Cenozoic Geologic History--Tertiary Period   (Site not responding. Last check: 2007-10-20)
Distinguish between the Tertiary and Quaternary Periods and the Paleogene and the Neogene Periods
Outline the continuing progression of the break-up of Pangaea throughout the Tertiary Period.
Summarize the history of eastern NA during this period.
www.lhup.edu /jway/210/210Ch16sg.htm   (266 words)

  
 Genesis from the Ice Age
Her proposals are conceivable without leaving the bounds of rationality and in most cases without contradicting the Biblical text.
The Tertiary Period, 3.5 million years ago was the beginning of the earth forming Glaciers but the world had been cooling down since about 65 million years ago.
This suggests that the South pole was warm enough 200 million years ago (Jurassic period) to support a large meat-eating dinosaur, Cryolophosaurus ellito or frozen crested reptile.
www.mazzaroth.com /ChapterOne/GenesisIceAge.htm   (1229 words)

  
 Geologic Time - Enchanted Learning Software
Triassic period ends with a minor extinction 213 mya (35% of all animal families die out, including labyrinthodont amphibians, conodonts, and all marine reptiles except ichthyosaurs).
First tetrapods appear toward the end of the period.
Mass extinction (345 mya) wiped out 30% of all animal families) probably due to glaciation or meteorite impact.
www.enchantedlearning.com /subjects/Geologictime.html   (603 words)

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