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Jack Hills Zircon Rock Australia [11458]

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9.00 LBS
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This extra large Jack Hills rock specimen is from the Erawondoo Hill location in Western Australia. Zircon crystals dated to 4.4 Ga are found in this location and are currently Earth's oldest known terrestrial zircons.

The Jack Hills are located in the Narryer Gneiss Terrane of the Yilgarn Craton, Western Australia, and comprise an 80 km long northeast-trending belt of folded and metamorphosed supracrustal rocks. The dating of zircons from this location continues to be extensively used for providing reliable U-Pb crystallization ages. Zircon minerals of 4,404 +/- 8 Ma are a reliable date for this material.

Zircons also show another interesting feature. Their oxygen isotopic composition has been interpreted to indicate that more than 4.4 billion years ago, there may have been water on the surface of the Earth.

Rough Rock Specimen size: 233mm L X 238mm W X 49mm D; Weight: 4.04956 kg or 8.9278 lb or about 4,050 grams.

This material was legally collected.

Ships Certificate of Authenticity and information about the specimen. Tag and tag stand are included. The sizing photo cube is not included.

This is spectacular, top-tier Jack Hills zircon rock from the Erawondoo Hill, Narryer Gneiss Terrane, Yilgarn craton, Australia! Because of its size, shape, and color would be a significant addition to any geological collection.



This scientific material is Guaranteed Authentic. It was professionally and legally collected and arrives with a Certificate of Authenticity.

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