Idiwhaa Acasta Gneiss NWT Canada [978 g ~ 4.02 Ga]

Idiwhaa Tonalitic Acasta Gneiss — 978 g

This Idiwhaa Acasta Gneiss from Canada looks like the firmament of heaven in the night sky with its beautiful flow bands and contrasting colors. It is truly remarkable and among the rarest and oldest rocks on Earth. Idiwhaa tonalitic acasta gneiss heralds a 'deep time' age, and this extra-large specimen is museum-grade "rock art" — perfect for the collector who wants the epitome of beauty for their Earth's oldest rocks 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 of the Universe's age. The ability to touch and study such an ancient relic is genuinely 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: 138mm L x 135mm W x 55mm D
• Weight: 978 grams 
• Features: Lightly sprayed to highlight its characteristics
• Legality: Professionally and legally collected.
• Finish: Flat lap, diamond-polished face.
• Remarks: Top-tier all-natural exceptional colors, with the face features resembling those of the Milky Way.

Also Included with Your Purchase:

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

Note: Photo cube not included. FREE UPS shipping is included in the USA.

Perfect for Geologic Displays

This is an exceptionally rare specimen suited for serious private collections. Its large size and visually engaging features make it ideal for studying the early Earth.

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