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Categories: Geography


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"Somewhere, something incredible is waiting to be known." - Carl Sagan

Category : Supercontinents


Category : Supercontinents

Mass Extinctions Drove Increased Global Faunal Cosmopolitanism On | nature.com

Oct 10, 2017 ... This key interval witnessed the Permian–Triassic and Triassic–Jurassic mass extinctions, the onset of fragmentation of the supercontinent Pangaea, and the ... Rather than treating links between taxa in different geographic regions in a binary fashion, they are instead inversely weighted in proportion to the ...

Supercategories: Pangaea | Supercontinents

Mesoproterozoic Supercontinent Nuna | people.earth.yale.edu | hsutphin

PDF Document Size: 1,028,277 Bytes

Author: hsutphin

supercontinent? In the frontispiece to his classic book, Du Toit (1937) noted that “ Africa forms the key” of Pangea due to its central position surrounded by rifted passive margins devel- oped during breakup. .... identical to that hypothesized on regional geo- .... Possible geographic connections in Columbia: Precambrian ...

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Supercategory: Supercontinents

Supercontinent And Tectonic Rock Cycles | pubs.geoscienceworld.org | mac4

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Author: mac4

New directions in Wilson Cycle concepts: Supercontinent and. Tectonic Rock Cycles. Steven J. Whitmeyer*. Lynn S. ..... the Cordilleran region, where evidence pointed to the existence of suspect terranes (Hamilton,. 1969 .... 1If you are viewing the PDF of this paper or read- ing it offline, please visit http://dx.doi.org/ 10.1130/.

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Supercategory: Supercontinents

True Polar Wander And Supercontinents | people.earth.yale.edu

PDF Document Size: 436,566 Bytes

I present a general model for true polar wander (TPW), in the context of supercontinents and simple modes of mantle convection. ... Ocean region), possibly superimposed on a secular geodynamic shift governed by increased lower-mantle viscosity associated ... Earth''s geographic reference frame relative to its spin axis.

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Supercategory: Supercontinents

General Circulation Model Sensitivity Experiments With Polecentered | onlinelibrary.wiley.com | Thomas J. Crowley , Steven K. Baum , Kwang‐Yul Kim

PDF Document Size: 18,239 Bytes

Author: Thomas J. Crowley , Steven K. Baum , Kwang‐Yul Kim

May 20, 1993 ... have suggested that the low thermal inertia associated with pole-centered supercontinents .... scaled values from the constant-flux region immediately ... geography. Previous work indicates that supercontinent climates are significantly affected by Milankovitch variations [Crowley et al., 1991]. Although ...

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Supercategory: Supercontinents

World Regional Geographypdf | saylor.org

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World Regional Geography takes a regional approach to globalization and world geography. The textbook was designed to provide accurate and current information regarding world regional geography in an easy-to-read format. Fundamental geographic concepts and regions are presented in concise chapters that provide ...

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Supercategories: Geography | Regional Geography | Supercontinents | Continents | North America | Asia | Subregions | Geography Of Asia | Geography Of Italy | Geography Of North America | Geography Of United States | Geography Social Sci | Regional Geography In Social Science

Rodinia Wikipedia | en.wikipedia.org

Rodinia is a Neoproterozoic supercontinent that was assembled 1.3–0.9 billion years ago and broke up 750–633 million years ago. Valentine & Moores 1970 were probably the first to recognise a Precambrian supercontinent, which they named ''Pangaea I''. It was renamed ''Rodinia'' by McMenamin & McMenamin 1990 who ...

Supercategory: Supercontinents

Influences On The Positioning Of Mantle Plumes Following | onlinelibrary.wiley.com | Philip J. Heron, Julian P. Lowman, Claudia Stein

PDF Document Size: 16,121 Bytes

Author: Philip J. Heron, Julian P. Lowman, Claudia Stein

May 13, 2015 ... observation of Figure 1 is that plumes do not form at the geographical center of Pangea near the suture zone, but rather toward the margins of the ... continents, the paleosubduction at 300 Ma, and the “center” of the supercontinent Pangea ( orange-shaded region) are shown as a reference on each panel.

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Supercategory: Supercontinents

Gondwana Wikipedia | en.wikipedia.org

Gondwana or Gondwanaland, was a supercontinent that formed from the unification of several cratons in the Late Neoproterozoic, merged with Euramerica in the Carboniferous to form Pangaea, and began to fragment in the Mesozoic. It was the largest continental landmass on Earth, covering an area of 100,000,000 km2 ...

Supercategory: Supercontinents

Continents And Supercontinents John J W Rogers; M Santosh | global.oup.com | en_GB

Sep 16, 2004 ... To this day, there is a great amount of controversy about where, when and how the so-called supercontinents--Pangea, Godwana, Rodinia, and Columbia--were made and broken. Continents and Supercontinents frames that controversy by giving all the necessary background on how continental crust is ...

Supercategory: Supercontinents

Four Dimensional Context Of Earth''s Supercontinents | sp.lyellcollection.org

PDF Document Size: 560,810 Bytes

Mar 2, 2016 ... Abstract: The supercontinent-cycle hypothesis attributes planetary-scale episodic tectonic events to an intrinsic self-organizing mode of mantle .... geography stems mainly from integrated U–Pb geochronology and palaeomagnetism on ... The Sinclair region along the western margin of Kalahari, in south- ...

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Supercategory: Supercontinents

Climate Of The Supercontinent ~Angea'' | ldeo.columbia.edu

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Aug 17, 1992 ... Numerous climate models predict that the geography of the supercontinent Pangea was conducive to the establish- ment of a llmegamonsoonalJ1 ... Early Jurassic, the Colorado Plateau region became arid again, but climate apparently became wetter in eastern. Laurussia and Gondwana. Finally, drying ...

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Supercategory: Supercontinents

Antarctica And Supercontinent Evolution Historical Perspectives | sp.lyellcollection.org

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Oct 9, 2013 ... it is premature to speculate on the role of Antarctica in earlier supercontinents, but it is likely that. Antarctica will ... ultrahigh-temperature metamorphic belts characteristic of back-arc regions and long-lived orogenic plateaus, marked by grey diamonds ...... similarity and geographical proximity). Reworked ...

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Supercategory: Supercontinents

Rift Valley National Geographic Society | nationalgeographic.org | National Geographic Society

Author: National Geographic Society

Jun 15, 2015 ... A rift valley is a lowland region that forms where Earth''s tectonic plates move apart, or rift. ... Photograph by Emory Kristof, National Geographic ... Two arms of a triple junction on the supercontinent Pangaea “opened” the ocean, while the aulacogen formed the rift valley known as the Benue Trough through ...

Supercategory: Supercontinents

Technical Meeting On Uranium Deposits Formed In The Gondwana | iaea.org | MILJANOVIC, Milos

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Author: MILJANOVIC, Milos

with the Gondwana supercontinent, which existed approximately 510 to 180 million years ago, are to be found on ... different geographical settings. The break -up of Gondwana approximately 185 to 100 million years ago effectively ended this vast sedimentation episode, which was punctuated by a regional basalt flooding ...

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Supercategory: Supercontinents

Regional Geography Past And Present | citeseerx.ist.psu.edu | Flora Cheng

PDF Document Size: 253,668 Bytes

Author: Flora Cheng

However, in the last two centuries, the concept of region underwent profound changes . For long, geographers aimed at the delimitation and description of. objectiveunitsontheEarth''ssurface. In contrast, in the last forty years, they mainly focused on the significance of places, the meaning of territories and the role the regional ...

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Supercategories: Regional Geography | Supercontinents | Regional Geography In Social Science

High Temperature Granulites And Supercontinents Sciencedirect | sciencedirect.com

Despite the steady-state growth since ∼2.7 Ga, the geographical distribution of continental masses never ceased to show remarkable changes. .... This is, for example, the case for granulites in Scotland (Pride and Muecke, 1980), a region where the idea of restite granulites has taken its roots, and in northern Quebec ...

Supercategory: Supercontinents

The Boring Billion? Lid Tectonics, Continental Growth And | nora.nerc.ac.uk | Nick M.W. Roberts

PDF Document Size: 2,788,224 Bytes

Author: Nick M.W. Roberts

Supercontinents. Continental growth. Lid tectonics. Mesoproterozoic. a b s t r a c t . The evolution of Earth''s biosphere, atmosphere and hydrosphere is tied to the formation of continental ... plate tectonics and environmental change is strengthened with this interpretation of supercontinent ...... Ladoga region ( Russian Karelia).

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Supercategory: Supercontinents

Is The Rate Of Supercontinent Assembly Changing With Time? | pdfs.semanticscholar.org | Kent Condie

PDF Document Size: 2,396,766 Bytes

Author: Kent Condie

Aug 4, 2014 ... during supercontinent assembly and whether or not long-lived accretionary orogens accompany super- continent assembly. .... may end by subduction of an ocean ridge, regional plate reorgani- zations, a change in ... geographic models: (i) 1100–530 Ma with two alternative subsets at 615–550 Ma (Li et ...

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Supercategory: Supercontinents

The Geology Of The Burren Region, Co Clare, Ireland | burrengeopark.ie

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This book was compiled as part of the NEED (Northern. Environmental Education Development) project. NEED is a transnational European initiative that focuses on the development of geo-education resources in four regions on. Europe''s northern Atlantic periphery. NEED supports the development of geological learning ...

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Supercategory: Supercontinents



Category : Supercontinents

The Super-Continents Before Pangea



What if Pangea Still Existed?



What is a Megalopolis?



Making North America 1 of 3 (Origins)



Plate Tectonic Evolution of India: Scotese Animation



Supercontinent Cycle (Part 2)



Plate Tectonic Evolution of the North Atlantic: Scotese Animation



Ancient Oceans & Continents: Plate Tectonics 1.5 by - Today, by CR Scotese



How North America got its shape - Peter J. Haproff



Why America Was Never Isolationist



What if There Was An Eighth Continent? (Zealandia)



Gondwana breakup and the Western Tethys



Could You Drive From Argentina to London?



10 Mind-Blowing Geographical Facts About The US



The Space Race



What Geographic Feature Separates Europe And Asia?



How Did Russia Begin?



What is GONDWANA? What does GONDWANA mean? GONDWANA meaning, definition & explanation



How Pink Was Once A Boy Color



When Ohio and Michigan Tried To Kill Each Other



THE SECRET OF ANTARCTICA - Full Documentary HD



Will America Ever Have A 51st State?



Scotese Animation: Breakup of Rodinia & Formation of Pacific Ocean



The Story Begins In The Land (short version -- 6 minutes)



Cenozoic Caribbean Paleogeography





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