Idiwhaa Acasta Gneiss [2,289 gm ~ 4.02 Ga]

Idiwhaa Tonalitic Acasta Gneiss 2,289.5 grams (5 lbs)

This extraordinary, rare rock from Canada is one of the rarest rocks on Earth. Idiwhaa tonalitic acasta gneiss heralds a 'deep time' age, and this extra large specimen is perfect for the collector who wants to truly optimize their geological collection!

The Importance of Idiwhaa Tonalitic Acasta Gneiss in Earth's History

This extraordinary rock specimen offers a unique glimpse into the conditions of early Earth. With an age of approximately 4.02 billion years, it represents nearly one-third the age of the Universe. The ability to touch and study such an ancient relic is truly remarkable. As the oldest known bedrock terrain on Earth, bridging the Hadean and Archean eons, it is pivotal to our understanding of geologic time.

Formation and Significance

The Idiwhaa tonalitic Acasta Gneiss formed through complex metamorphic processes around four billion years ago. This contrasts with the formation of Jack Hills Zircons, which originated in sedimentary rocks and date back to nearly 4.4 billion years. Additionally, rocks from the Nuvvuagittuq Greenstone Belt, also around 4.02 billion years old, provide further context for early Earth conditions (see our Nuvvuagittuq Greenstone Belt products).

Specifications

• Size: 267mm L x 150mm W x 60mm D
• Weight: 2,289.5 grams (5 lbs)
• Features: Lightly sprayed to highlight its characteristics

Included with Purchase

• Certificate of Authenticity
• Tag and tag stand
• Information about Acasta Gneiss

Note: Display stand and photo cube not included. FREE regular shipping within the USA.

Legal and Authenticity

This Idiwhaa Acasta Gneiss specimen was legally obtained from a scientific institution and is guaranteed authentic.

Perfect for Geologic Displays

Enhance your museum, discovery center, or private collection with this incredible specimen and make your presentation spectacular!

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