Idiwhaa Acasta Gneiss Oldest Rocks [234 gm ~ 4.02 Ga]

Discover the Importance of Idiwhaa Acasta Tonalitic Gneiss

The Idiwhaa Acasta Tonalitic Gneiss is a remarkable geological specimen, bridging the gap between the late Hadean and early Archean Eons. As the oldest known bedrock on Earth, this gneiss offers profound insights into our planet's earliest history. This authentic specimen is large and makes a terrific display specimen.

Historical Importance

This rock, approximately 4 billion years old, provides a tangible connection to the Earth’s formative years. It is one of the most important rocks on Earth from studying geologic history.

Deep Time Exploration

Holding this specimen is like holding a piece of history, just a fraction younger than Earth itself and a small part of the universe’s 13.8 billion-year history.

Geological Reference

It serves as an excellent transition specimen, helping us understand the vastness of geological time.

Location

Found in the Slave Lake province, Northwest Territories, Canada, near the Acasta River, east of Great Slave Lake.

Formation

Formed during the early Archean, approximately 4.02 to 3.65 billion years ago, based on radiometric dating of zircon crystals.

Specifications

• Size: 135mm L x 88mm W x 9mm D
• Weight: 234 grams
• Polish: Lapped diamond-polished finish to flat front and back

What is Included

• Certificate of Authenticity
• Tag, Tag Stand AND Specimen specimen display stand (shown).
• Information about Idiwhaa Acasta Tonalitic Gneiss

Note: Photo cube is not included.

Appearance

Photos show the front, back and side with a sizing cube and description tag. Lightly coated for photographic purposes, removable with soap.

Educational Value

This specimen is not just a rock; it’s a hands-on tool for learning about deep time. Its age and significance make it a valuable resource for educators, geologists, and students.

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