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Acasta Gneiss, Minnesota

Morton Gneiss, Minnesota, Oldest rocks on Earth
Morton Gneiss, Minnesota, Oldest rocks on Earth
Item# JPT-MtnGns
Regular price: $125.00
Sale price: $99.95
Availability: Usually ships the next business day

Product Description

This is a great specimen of Morton Gneiss. One face is polished!

Morton Gneiss is among some of the oldest rocks on Earth. In fact, it is the oldest rock unit in the United States. Composed of Archean-age migmatitic gneiss, it has been dated to 3.6 billion years old.

Size: 35mm L X 35mm W X 30mm D, Weight: 81 grams

This is the exact specimen for sale.

Ships with information, tag and COA. Guaranteed Authentic.