After we left Uluru, we headed to Kata Tjuta, or the Olga Mts. about 70 kilometers away. Named the Olga Mts by Europeans, in the 90's the government returned it to it's aboriginal name and hyphenated it along with the Olgas. There is a major difference between Uluru and the KJ's, Uluru is sandstone which heaved up at a 90 Angle and extends 5 - 6 kilometers below the surface, and KJ is conglomerate which eroded into large rounded domes. Both of them developed millions of years ago when underwater mountains appeared as water levels went down leaving two alluvial fans. THe water rose again, and when it receded, it eroded the mountains. The conglomerate, being heavier, washed into the first fan. The smaller rocks and pebbles slipped into the second fan. As the mountains kept
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