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Gosses Bluff Meteorite Crater $1 1oz...
Gosses Bluff Meteorite Crater $1 1oz .999 pure silver coin, antique finish, proof.
Fourth coin in series, depicts the Gosses Bluff crater, an authentic geological beauty. The coin features an authentic fragment of Henbury meteorite insert.
The coin features Ultra High Relief, antique finish and mintage is extremely limited to only 666 pcs. worldwide! With box and COA.
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|Face Value :||1 Dollar|
|Metal :||.999 Fine silver|
|Weight :||1 oz|
|Size :||38.61 mm|
|Quality :||Proof antique finish|
|Mintage :||Only 666 pcs. worldwide|
|Series :||Crater Meteorites|
|Certificate of Authenticity :||Yes|
|Original ETUI box/case :||Yes|
Gosses Bluff (Gosse's Bluff) is thought to be the eroded remnant of an impact crater. Known as Tnorala, it is located in the southern Northern Territory, near the centre of Australia, about 175 km (109 mi) west of Alice Springs and about 212 km (132 mi) to the northeast of Uluru (Ayers Rock). It was named by Ernest Giles in 1872 after Australian explorer William Gosse's brother Henry, who was a member of William's expedition.
The original crater is thought to have been formed by the impact of an asteroid or comet approximately 142.5 ± 0.8 million years ago, in the earliest Cretaceous, very close to the Jurassic - Cretaceous boundary. The original crater rim has been estimated at about 22 km (14 mi) in diameter, but this has been eroded away. The 5 km (3.1 mi) diameter, 180 m (590 ft) high crater-like feature, now exposed, is interpreted as the eroded relic of the crater's central uplift. The impact origin of this topographic feature was first proposed in the 1960s, the strongest evidence coming from the abundance of shatter cones. In the past the crater has been the target of petroleum exploration, and two abandoned exploration wells lie near its centre.
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