Massive Australian Precambrian/Cambrian Impact Structure Massive Australian Precambrian/Cambrian Impact Structure The Massive Australian Precambrian/Cambrian Impact Structure also known as MAPCIS is a proposed impact structure based upon arguments presented by Daniel P. Connelly at Geological Society of America meetings. Its center is located approximately equidistant between Uluru (Ayers Rock) and Mount Conner in Australia's Northern Territory. The structure is approximately in diameter. However, a hypothetical outermost ring in diameter is claimed to be the result of undefined far field stresses. Connelly argues that the age of this hypothetical impact is approximately 545 mya which puts it just before the Cambrian explosion (542 mya) of the
Rock City (attraction) The trail also leads through a variety of unique and bizarre rock formations, including the Balanced Rock and Fat Man's Squeeze. Two other sections, the Fairyland Caverns and Mother Goose Village, are rock caves decorated with blacklight-responsive sculptures. The High Falls of the Lookout Mountain is a manmade waterfall in the Rock City Gardens. The waterfall is high and empties into a base which appears as a small pool. Rock City (attraction) Rock City is a tourist attraction on Lookout Mountain in Lookout Mountain, Georgia. Opened in May 1932, the attraction gained prominence after owners Garnet and Frieda Carter hired