Sunday, January 11, 2015

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Kata Tjuta: The ancient rock formation and a mythological site

By asad russel –

About Kata Tjuta, Northern Territory, Australia:
Known as the Kata Tjuta is another sacred rock formation about 25 kilometers from the famous Uluru. Kata Tjuta means many heads, also known as the Olgas, in 1872 of Wurttemberg named for Queen Olga. There are a large group of domed rock formations or the bornhardts, in the central Australia’s southern part of the Northern Territory from the Alice Spring about 22 miles southwest Kata Tjuta is located.


The Kata Tjuta cover an area of 21.68 square kilometers with the 26 domes, consisting of boulders and cobbles are composed of sedimentary rock and conglomerate including basalt and granite varying the rock types a matrix of sandstone cemented by. In Kata Tjuta Mount Olga is the highest point, above sea level is 1,066 meters, higher than Uluru (198 meters/650 ft) above the surrounding plain approximately 546 meter (1,791 ft). At the eastern end of the Docker River Road the Kata Tjuta is located.


Geological origin of the Kata Tjuta:
Rising from the desert plains lies in the Amadeus Basin the region surrounding Kata Tjuta, during the Adelaidian an intracratonic basin formed, mya roughly 850-800. Approximately 550 mya during the Petermann Orogeny, known as the Woodroff Thrust an event, over low-grade metamorphic rocks thrust granulite facies rocks northward. Resulted in a molasses facies the eventual erosion of the formation, or in front of rising mountains the deposition, the Petermann Orogeny in this case, known as the Mount Currie Conglomerate to create the deposit. By the predominately of basalt, gnesis, granite, porphyry, volcanic rock fragments among other minerals angular quartz, orthoclase and microcline with a matrix composed the Mount Currie Conglomerate is made.


In this Mount Currie Conglomerate are made of sediment originating are made of both the Kata Tjuta and Uluru and similar to granite both have a chemical composition. Matching the date of the Woodroof Thrust event have given it an age of 600 mya to accurately date the rock scientist using the Rb/Sr dating. With green or pink hues in some laminae is medium to dark gray the actual fresh rock that makes up in the Olgas and Uluru. For which the structure are notable the bright orange-red hue, in iron oxide finely divided feldspar is due to a patina over.


The Legends of Kata Tjuta:
Associated with the Kata Tjuta there are many Pitjantjatjara Dreamtime legends and in the vicinity indeed everything which includes the Uluru of course. Who is said to live on the summit of Kata Tjuta the great snake king Wanambi a number of legends surrounds and during the dry season the great snake only comes down. Surrounding the site is not disclosed to the outsiders the majority of the mythology.


Transportation for the Kata Tjuta:
Via Ayers Rock Airport Kata Tjuta can be accessed. Then to the south it is 55 kilometers drive and then to the west. A National Park entry fee the visitors are required to pay, which is cost about A$25 per person. Along the Lasseter Highway Visitors also can drive, at the township of Erldunda which joints with the Stuart Highway about 200 kilometers south of the Alice Spring. Then from the Alice Spring it is about four and a half hour drive to reach in Kata Tjuta. 

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