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Contents contributed and discussions participated by aleksandera

aleksandera

Geologic Time and Climate Change Science - 0 views

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    This site explains the relative dating.
aleksandera

Geologic Changes to the Very Good Earth | The Institute for Creation Research - 0 views

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    This site explains the geological changes over time
aleksandera

Tectonics of the Triassic Period - 2 views

  • The climate of the Triassic era was influenced by Pangaea, its centralized position stradling the equator, and the geologic activity associated with its breakup. Generally speaking, the continents were of high elevation compared to sea level, and the sea level did not change drastically during the period. Due to the low sea level, flooding of the continents to form shallow seas did not occur. Much of the inland area was isolated from the cooling and moist effects of the ocean. The result was a globally arid and dry climate, though regions near the coast most likely experienced seasonal monsoons. There were no polar ice caps, and the temperature gradient in the north-south direction is assumed to have been more gradual than present day. The sea level rose as the rift grew between North Africa and southern Europe, resulting in the flooding of Central and South Europe; the climates of terrestrial Europe were hot and dry, as in the Permian. Overall, it appears that the climate included both arid dune environments and moist river and lake habitats with gymnosperm forests.
    • aleksandera
       
      This paragraph clearly explains the climate in the Triassic period and how it effected the animals in this period
  • rming on the Americas, North Africa was being split from Europe by the spreading rift. This division of the continents advanced further westward, eventually splitting eastern North America from North Africa.
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  • At the beginning of the Triassic period, the land masses of the world were still bound together into the vast supercontinent known as Pangaea. Pangaea began to break apart in the mid-Triassic, forming Gondwana
  • While Pangaea was breaking apart, mountains were forming on the west coast of North America by subduction of the ocean plates beneath the continental plates. Throughout the Middle to Late Triassic, mountain forming continued along the coast extending from Alaska to Chile.
  • The movement of the two resulting supercontinents was caused by sea floor spreading at the midocean ridge lying at the bottom of the Tethys Sea
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    Triassic Period - Landforms 
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