Oldest Earth - Jack Hills Zircon - Classic Riker Box Specimen ammolite the item is affixed to

the item is affixed to an informational card that includes the Mini Museum Seal of Authenticity

Walter Alvarez

It is very firm

So the profound

5 billion years ago during the creation of our solar system

Oldest Earth - Jack Hills Zircon - Classic Riker Box Specimen ammolite the item is affixed toThis specimen is a small piece of the Jack Hills formation north of Perth in Western Australia (pictured above). The rough, sedimentary layers of the Jack Hills formation are 3. 3 billion years old, but they also contain much older zircon crystals across a range of time from 3. 6 to nearly 4. 4 billion years old. The specimen measures 1x1 cm and is enclosed inside an acrylic specimen jar. The jar is enclosed inside a classic, glass topped riker