Erosion Landform ( 25. Tepui )

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Autama tepui
Autama tepui


  • A tepui is a table top mountain /mesa.
  • Found in the Guiana Highlands,South America

                                 Venezuela
  • Tepui means "house of the gods".
  • Found as isolated entities.
  • Unique array of endemic plant & animal species live there.
  • Most outstanding tepuis are;

                                                       Neblina
                                                       Autana
                                                       Auyantepui
                                                       Mount Roraima
  • They are composed of sheer blocks of Precambrian quartz arenite sandstone.
  • That rise from the jungle.
  • It gives spectacular natural scenery. 
  • Auyantepui is the source of Angel Falls, the world's tallest waterfall.

Kukenan tepui
Kukenan tepui

  • These are the remains large sandstone plateau.
  • That covered the granite basement.
  • Range in elevation from 1,000 - 3,000 m.
  • The Gran Sabana is the highest tepuis.
  • On top of the mountains grow;

                                                 various types of forests.
                                                 wide variety of orchid
                                                 bromeliad
                                                 carnivorous plant

tepui mountins venzuela
tepui mountins venzuela

  • Tepuis exhibit surface features & subsurface caves.
  • Karst topography formed in more water-soluble rocks.
  • Caves include the Abismo Guy Collet. (671m deep ) 
  • The deepest quartzite cave in the world.
  • The mesas are pocked with giant sinkholes up to 300 m.
  • These sinkholes are formed the roofs of tunnels carved by underground rivers collapse.
Sinkhole
Sinkhole

  • The tepuis known as  islands above the rainforest.
  • A few of mountains are cloaked by thick clouds almost the whole year.
  • Notable  tepuis

  • Auyantepui
                            The largest 
                            Surface area of 700 km².
                           Angel Falls drops from a cleft in the summit.

  • Mount Roraima
                            The borders of VenezuelaBrazil,  Guyana meet on the top.

  • Matawi Tepui
                              Known as Kukenán.
                              It is the source of the Kukenán River.

                              Considered the "place of the dead".
                               Located next to Mount Roraima in Venezuela.

  • Autana Tepui 
                             1,300 m above the forest floor. 
                            A unique cave runs from one side of the mountain to the other.

  • Ptari Tepui's 
                         Sheer rock walls are so isolated.
                         High number of endemic plant & animal species found there.

  • Sarisariñama Tepui
                          Famous for circular sinkholes.
                          Which go straight down from the mountain top.
                          The largest sinkhole is 350 m in diameter.
                          They harbor an ecosystem composed.
                           Unique plant & animal species lives at the bottom .

  • Endemic fauna & flora represent of ancient species was an inspiration to the novel The Lost World by Arthur Conan Doyle.
  • Much of the story of Pixar--Disney 2009 film Up takes place among the tepuis. 
  • The film includes numerous rock formations & an Angel Falls-like waterfall called "Paradise Falls".
venezuela tepui
venezuela tepui
The steep rock wall of Mount Roraima.
The steep rock wall of Mount Roraima.



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