Granite. 1.7 Billion Years old.
The Devils Marbles, a unique rock formation in Australia, are located in the Northern Territory about 393 km north of Alice Springs. They are a significant cultural and geological site for the Aboriginal people.
The Devil's Marbles were discovered by European explorers in the 19th century. The exact individual credited with the discovery is not widely documented. The site is of great significance to the local Aboriginal people, who have known about and revered the formation for thousands of years.
First written record of the name is in the 1870's - an engineer on The Overland Telegraph Line describes this amazing area concluding - "in fact they were called The Devils's Marbles". So no definitive answer. Summising though; the early adventurers and travellers all approached from the South following 'The Track'. Travelling across featureless flood plain they would have seen a small hill range ahead for two or three days but would have no idea what they were about to encounter until passing through the first hill and suddenly being confronted with some mind-blowing geolical formations. Massive blocks and balls of granite measuring many metres and weighing hundreds of tonnes apparently balancing high up on other rocks. It would seem to them to be totally un-natural and indeed Super-natural. Thus The Devils ... (To use God's name would be blasphemy) Marbles (because so many were so round)
An alley marble, also known as a large shooter marble, is typically used in games of marbles to shoot smaller marbles. It is often the marble used to start the game by knocking other marbles out of a circle or target area.
The Devil's Postpile is primarily composed of columnar basalt rock, formed from the cooling and solidification of lava flows. The distinctive hexagonal columns were created as the lava contracted and fractured during the cooling process.
Nothing has changed to the devils marbles.
The devils marbles look think two big red marbles and they are red as well!
It was in 1980 and Sir William Thomes discovered it and called it the Devils Marbles.
Devils Marbles Conservation Reserve was created in 1961-10.
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The Devils Marbles, a unique rock formation in Australia, are located in the Northern Territory about 393 km north of Alice Springs. They are a significant cultural and geological site for the Aboriginal people.
very big
The average size of the Devils Marbles conservation site is 18 km squared. I am pretty sure that this is correct. Hope it helped!
the devils marbles are 1802 hectares in size
The devils marbles
The Devils Marbles are a series of balancing boulders in the Northern Territory. Like any landform, they can be damaged by vandalism and erosion from humans tramping over them.