Idiwhaa Tonalitic Acasta Gneiss Canada [97 gm ~ 4.02 Ga]

Idiwhaa Tonalitic Acasta Gneiss – Exploring Earth’s Deep Past

Discover Earth's ancient history with the Idiwhaa Tonalitic Acasta Gneiss, a geological treasure about 4 billion years old. This extraordinary rock bridges the Hadean and Archean eons, offering a tangible connection to Earth's earliest geologic history.

Key Features

• Historical Significance: The oldest known bedrock relic, providing insights into Earth's early geologic evolution.
• Origin: Found in the remote Slave Lake province near the Acasta River, Northwest Territories, Canada.
• Formation: Dated 4.02–3.65 billion years ago through zircon crystal analysis, showcasing Earth's turbulent early surface.
• Size & Weight: 73mm L x 59mm W x 9mm D, Weight: 97 gm
• Photo info: Images taken with sprayed surface for photo clarity. Both side are machine diamond polished smooth.
• What is Included: a Certificate of Authenticity, tag, tag stand, information about Idiwhaa Acasta Gneiss

Scientific Importance

This rare specimen illustrates the intense geological activity of the Hadean eon, when Earth's unstable crust was constantly reshaped by volcanic activity, tectonic shifts, and asteroid impacts. Its rarity heavily underscores its value as a collector's piece and educational tool.

Perfect for Collectors and Educators

Enhance your collection or classroom with this affordable, historically significant specimen that brings Earth's formative eons to life.

Ships with a Certificate of Authenticity, tag, tag stand and information about Idiwhaa Tonalitic Acasta Gneiss