Idiwhaa Acasta Gneiss Oldest Rocks [234 gm ~ 4.02 Ga]
Brand : Sciencemall-USA
- SKU:
- JPT-84123
- Condition:
- New
- Availability:
- Usually ships in 24 hours.
- Weight:
- 1.00 LBS
- Minimum Purchase:
- 1 unit
- Maximum Purchase:
- 1 unit
- Shipping:
- Calculated at Checkout
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.