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Topic: Laurentia


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  Laurentia - Wikipedia, the free encyclopedia
Laurentia is the craton at the heart of North America.
Many times in its past, Laurentia has been a separate continent as it is now in the form of North America.
"Laurentia" was also a proposed name for the country that united as Canada.
en.wikipedia.org /wiki/Laurentia   (371 words)

  
 Laurentia   (Site not responding. Last check: 2007-10-13)
Laurentia, the name given by geologists to a landmass that, between 600 and 500 million years ago, embraced eastern North America, most of Europe and much of Asia.
Lionel GROULX in 1937 defined his "Laurentia" as a separate French, Catholic state.
The Latin name is that of Saint Lawrence, the Christian martyr burned to death by the Romans in AD 258.
www.thecanadianencyclopedia.com /index.cfm?PgNm=TCE&Params=A1ARTA0004554   (138 words)

  
 The History of The USS Laurentia
After shakedown, Laurentia loaded frozen and refrigerated provisions at Mobile, Ala., and departed for the Pacific 27 June.
Laurentia stocked her cold storage holds and deployed for the Far East 14 December.
Reacquired by the Navy 1 July 1950, Laurentia was assigned to MSTS and reclassified T-AF-44.
www.multied.com /NAVY/Af/laurentia.html   (377 words)

  
 Prelude
Baltica and Siberia, are nearby, to the southeast and northeast of Laurentia, respectively.
Laurentia (along with Siberia and Baltica) and the components of West Gondwana moved southward, rotating clockwise.
When Gondwana formed, Laurentia and Baltica were nearby, and some authorities have suggested that they may have been united with Gondwanda in an even larger supercontinent, Pannotia.
www.jamestown-ri.info /prelude.htm   (1541 words)

  
 Palaeos Earth: Geography: Laurentia
Laurentia is an ancient continent incorporating much of what is now North America.
During Cambrian and Ordovician time Laurentia was a large island continent with a mostly equatorial location, covered in warm shallow seas in which trilobites and other marine life flourished.
During the Late Silurian and Devonian the Iapetus Ocean closed as Laurentia collided with the continent of Baltica to form the supercontinent Laurussia/Euramerica, and causing more mountain building (the Acadian Orogeny).
www.palaeos.com /Earth/Geography/Laurentia.htm   (254 words)

  
 Sisters become sisters by following the call - PittsburghLIVE.com
Sister Laurentia said she had little discussion with her parents about her life choice, although they were supportive.
Sister Laurentia wasn't even sure where she was headed when she made the trip from Cleveland to southwestern Pennsylvania for the first time.
Sister Laurentia served as principal at St Bartholomew School in Penn Hills, St. Paulinus School in Clairton and St. Michael's School in Elizabeth, while her sister taught at Divine Redeemer for 21 years.
www.pittsburghlive.com /x/valleyindependent/s_69587.html   (877 words)

  
 PALEOMAGNETIC CONSTRAINTS ON AVALONIA-GONDWANA-LAURENTIA CONFIGURATIONS FOR THE NEOPROTEROZOIC   (Site not responding. Last check: 2007-10-13)
Poles for 720 and 615 Ma are similar, and may by explained either by the small movement of Laurentia, or by a loop-like movement similar to the older Grenvillian Loop.
In the first, we assign the minimum movement to Laurentia and Gondwana required to satisfy the paleomagnetic data and examine the relationship between this motion and the tectonothermal evolution of the peri-Gondwanan terranes.
The latter is borne out by the failed test of the correlation between Dalradian Scotland and the Peruvian Arequipa massif, and by the discovery of the Neoproterozoic MaraƱon belt in the northern Andes.
gsa.confex.com /gsa/2001AM/finalprogram/abstract_23820.htm   (525 words)

  
 gp24a in sm04
Laurentia likely resided at low southerly paleolatitudes throughout the Cambrian, ruling out a major inertial-interchange TPW event for Early to Middle Cambrian time.
Within the Rodinian collage, Baltica was adjacent to, and probably welded to, Laurentia, with the modern eastern (Uralian) part of Baltica conjugate with the north of Laurentia.
Laurentia was in turn attached to the South American terranes of Rio Plata and Amazonia, and possibly also West Africa.
www.agu.org /cgi-bin/SFgate/SFgate?&listenv=table&multiple=1&range=1&directget=1&application=sm04&database=/data/epubs/wais/indexes/sm04/sm04&maxhits=200&="GP24A"   (2408 words)

  
 A dazzling combination - Deccan Herald   (Site not responding. Last check: 2007-10-13)
Obviously, the combination of Ganjam and Laurentia, resulting in the exhibition-cum-sale of 120 of Laurentia’s best designs at Ganjam By Design boutique in Bangalore was a special event for the City’s connoisseurs of jewellery.
“Laurentia basically aims at helping the customer make his/ her own style statement with the designs of his/ her choice,” says Valeria Kuhar of Laurentia and perhaps this explains the ‘not-so-conventional’ designs from the Indian standards that were on display.
The original colour tone of the collection and the unique concept of design soon led Laurentia to become a renowned firm for producing gold ornaments and jewellery with a high degree of value addition, distinguished by unusually colourful knots, locks, joints and couplings.
www.deccanherald.com /deccanherald/nov15/she2.asp   (442 words)

  
 University at Buffalo, Dept. of Geology   (Site not responding. Last check: 2007-10-13)
Laurentia and the PT had the same polar wandering path in the Ordovician, and 2.
Early Darriwilian (Da1) faunas of the PT and Laurentia correspond to the diverse Isograptid-biofacies of the Pacific Province.
Graptolite biogeography conflicts with suggestions of convergence between Laurentia and Gondwana during the Middle Ordovician and suggests that the Precordilleran Terrane most likely was isolated from Laurentia by the western Iapetus Ocean during the Taconic Orogeny.
wings.buffalo.edu /geology/sprg/argen.htm   (427 words)

  
 Tectonics of the Cambrian
The second largest continent, Laurentia is just left of center in the map below, and includes most of North America (the southeastern US can be seen wedged between Africa and South America as part of Gondwana).
Between Gondwana and Laurentia lie Siberia (just south of the equator) and Baltica (Scandinavia, eastern Europe, and European Russia).
Laurentia stradled the equator, while Baltica and Siberia were southeast of that continent.
www.ucmp.berkeley.edu /cambrian/cambtect.html   (617 words)

  
 Origini Laurentia   (Site not responding. Last check: 2007-10-13)
This woman was nicknamed "The Wolf" considering her vulgar character and her work in brothels.
Acca Laurentia as soon as Romolo and Remo grew-up told them all truth so they released their grand-father Numitore.
The twins decided to found a town by the Tiber river: just in that place where they were finded when children.
www.hotellaurentia.com /origini_laurentia.htm   (405 words)

  
 Geology of the Paleozoic Era   (Site not responding. Last check: 2007-10-13)
Closure of Laurentia and Gondwana towards end of Carboniferous results in Ouachita/southern Appalachian/Hercynian mobile belts.
East coast of Laurentia characterized by thickcontinental margin sediments deposited on craton platform (Sauk Sea carbonates and fl shales) and in a widening Iapetus Ocean.
Closure of the Iapetus Ocean (collision of Laurentia and Baltica) caused the Acadian Orogeny.
www.epcc.edu /ftp/Homes/krimkus/paleogeonotes.htm   (1018 words)

  
 Welcome to the Laurentia located in Rome, Italy. Come discover Rome, Italy
Hotel Laurentia is situated in an excellent location, just a few minutes from Termini Station and the center of town, and a short car drive from the motor-way system.
Welcome to the Laurentia located in Rome, Italy.
The Hotel Laurentia, a superior three star hotel, takes its name from the ancient Musa of Rome.
www.eleganttraveller.com /nhotels/Laurentia   (829 words)

  
 Inter. Subcommission on Cambrian Stratigraphy
Laurentia mainly consists of the North American craton and most of the marginal Cordilleran, Inuitian, Appalachian and Ouachita foldbelts, excluding possibly parts of western Alaska and the Avalonian regions of northeastern U.S. and eastern Canada.
Cambrian sequences in the craton are exposed around basement uplifts in the U.S. Midcontinent (e.g., Indiana); in the Rocky Mountains of U.S. and southern Canada east of the belt of late Cretaceous and early Tertiary thrusting; and in parts of northern Canada, the Canadian Arctic Islands and northern Greenland.
A transgression in the Early Cambrian flooded the marginal areas of Laurentia, but huge areas remained land until the time of maximum flooding in the Late Cambrian.
www.uni-wuerzburg.de /palaeontologie/Stuff/casu15.htm   (419 words)

  
 gp32d in sm01
Laurentia and Baltica became united 1.93-1.88 Ga when the Nagssugtoqidian and the Lapland-Kola orogenies took place in Laurentia and Baltica, respectively.
The island-arc accretion of Amazonia with Baltica culminated with the formation of the Gothian belt in Baltica and the Rio Negro Juruena belt in Amazonia at ca.
Laurentia and Baltica were still united at 1.25 Ga when Congo-Sao Fransisco continent began to approach Baltica.
www.agu.org /cgi-bin/SFgate/SFgate?&listenv=table&multiple=1&range=1&directget=1&application=sm01&database=/data/epubs/wais/indexes/sm01/sm01&maxhits=200&="GP32D"   (2044 words)

  
 Carolina Geology
Laurentia drifted from its position near the South pole northward toward equatorial waters at a rapid rate, leaving behind the supercontinent of Gondwana which formed as East Gondwana(Australia, East Antarctica and India) joined West Gondwana.
An arc of volcanic islands was created far from eastern Laurentia in waters between Baltica and West Gondwana(Africa and South America), as oblique sinstral subduction of oceanic crust near West Gondwana formed the Carolina and Avalonia Terranes.
The Mars Hill Terrane was sutured to Laurentia to become the oldest rocks in the southeastern USA.
www.main.nc.us /sams/nc.geosummary.html   (1308 words)

  
 Avalonia
Experts debate whether Laurentia was in contact with South America at this time.
Most of Laurentia was covered by shallow tropical seas in which were found rapidly evolving species of trilobites and echinoderms.
Laurentia included not only the central portion of the present United States, but much of Canada, Mexico and Greenland.
www.jamestown-ri.info /avalonia.htm   (706 words)

  
 Neoproterozoic-Early Paleozoic History of the Scottish Promontory of Laurentia
Prior to assembly of Pangaea, it formed the tip of a major promontory of Laurentia (between the Labrador and Greenland margins) and may thus serve as a sensitive probe of interactions between NE Laurentia and other continents.
Furthermore, we recognize a regional suite of mafic dikes that may serve as a reliable temporal marker that requires metamorphism to have occurred later than is currently presumed.
In turn, this would permit correlation of common events along this entire margin, and thus support a proposed two-stage 'breakout' of Laurentia as a discrete continent during the Neoproterozoic, hypothetically from the Rodinian and Pannotian supercontinents, respectively.
www.ig.utexas.edu /research/projects/scott_prom   (482 words)

  
 Hotel Laurentia Rome accommodation Downtown rome hotels italy
Downtown Rome Hotel Hotel Laurentia 3 star Hotel Rome in San Lorenzo University Termini area Italy Hotel
The Hotel Laurentia, a superior three-star hotel in Rome; takes its name from the ancient Goddess of Rome
Consiglio Nazionale delle Ricerche CNR (National Research Council) : 0.3 kms.
www.hotellaurentia.com   (216 words)

  
 GEOL 102 The Middle Paleozoic I: Siluro-Devonian Geology   (Site not responding. Last check: 2007-10-13)
In Appalachian Orogen of Laurentia, late flysch and molasse from the Taconic Orogeny, Appalachians erode down to base, resumption of stable margin (carbonate and sandstone) deposits.
In the foreland basin and mid-craton of Laurentia, reefs so big that they allowed evaporation of water in the middle of the basin.
In eastern Laurentia, the Taconic Appalachians had worn all the way down by the beginning of the Devonian.
www.geol.umd.edu /~tholtz/G102/102mpal1.htm   (275 words)

  
 St   (Site not responding. Last check: 2007-10-13)
Sister Laurentia was born Bridget Kelly and lived with her family in Columbus, NY.
During the last four months of her life, Sister Laurentia reportedly had visions of Saint Joseph with the Child, Jesus; and ecstacies of Heaven.
It was written and circulated by Sister Laurentia's pastor at the time of her death.
www.norwich.net /~masmith/page8.html   (275 words)

  
 Was Laurentia the "southeast Pacific continent?"
Paleomagnetic data are in keeping with the idea that Laurentia made an "end-run" around the proto-Andean margin during the Paleozoic, perhaps colliding with it more than once.
The hypothesis that the proto-Appalachian margin of Laurentia rifted from the proto-Andean margin of South America at the end of the Precambrian, and that the Appalachian and Andean orogens were initially a single mountain system resulting from Paleozoic Laurentia-Gondwana interaction, has many and far-reaching implications.
The work proposed in Chile, Argentina, and possibly Peru is designed to test the "Laurentian end-run" hypothesis, but will make significant contributions to understanding of the origin and development of the Pacific margin of South America regardless of its validity.
www.ig.utexas.edu /research/projects/laurentia1/laurentia1.htm   (172 words)

  
 UALR Arkansas Earthquake Center - The Reelfoot Rift - Rodinia, Laurentia, Rifts, Mississippi Embayment, New Madrid ...   (Site not responding. Last check: 2007-10-13)
One of these continents, Laurentia, was the ancestor of North America.
When Rodinia began to split apart, a rift (split) in our region of Laurentia failed to open.
This rift was detected using geophysical instruments and was named the "Reelfoot Rift." The Reelfoot Rift extends from Illinois soutwest toward the Gulf of Mexico.
quake.ualr.edu /public/reelfoot.htm   (185 words)

  
 ZIRCON AGE LINKS BETWEEN PROTEROZOIC LAURENTIA AND EAST ANTARCTICA: COMPARISON OF ~1.7 AND ~1.4 GA SIGNATURES   (Site not responding. Last check: 2007-10-13)
Paleogeographic models of Rodinia commonly link western Laurentia with eastern Australia and East Antarctica, yet the precise fit and breakup age(s) are highly debated.
Because East Antarctica and Laurentia were widely separated by Cambrian time, a direct source in Laurentia for ~1.4 Ga components in the outboard deposits is unlikely.
Age components of 1.8-1.6 Ga, predicted by extension of Mojave-Yavapai-Mazatzal crust into East Antarctica, are also abundant in the detrital populations.
gsa.confex.com /gsa/2001AM/finalprogram/abstract_25559.htm   (459 words)

  
 The Cambrian   (Site not responding. Last check: 2007-10-13)
World Paleogeography: The supercontinent Pannotia had begun to break up as the Iapetus Ocean formed in between Laurentia (North America), Siberia, Baltica (North Europe), and Gondwana (South America, Australia, Africa, India, and Antarctica).
Throughout the Cambrian, Siberia remained east of Laurentia, while Baltica was moving south of Siberia and southeast of Laurentia.
North American Paleogeography: Fossil evidence tells us that Laurentia was centered on the Equator and rotated so that in present-day terms, Canada was east, instead of north, of the United States.
www.paleoportal.org /time_space/period.php?period_id=16   (1149 words)

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