Acasta Gneiss
Hadean Age
Acasta River, Canada
Acasta gneiss is considered to be the oldest rock on Earth, dated at 4.2 billion years. Gneiss is rock that is formed by regional metamorphic processes from pre-existing formations that were originally composed of either igneous or sedimentary rock. The present specimen displays attractive black and rust striations.
Measures 15 x 8 ¼ x 1/4in
Acasta River, Canada
Acasta gneiss is considered to be the oldest rock on Earth, dated at 4.2 billion years. Gneiss is rock that is formed by regional metamorphic processes from pre-existing formations that were originally composed of either igneous or sedimentary rock. The present specimen displays attractive black and rust striations.
Measures 15 x 8 ¼ x 1/4in
Estimate:
US$ 2,000 - 3,000
£1,300 - 2,000
€1,600 - 2,300
£1,300 - 2,000
€1,600 - 2,300
Category: Natural History
Auction terms and conditions
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Tom Lindgren
Bonhams
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Natural History