Oxygen began entering Earth's oceans around 2.32 billion years ago, and shallow seas followed within a few million years.

Fireweed Metals is pleased to report the results of the 2025 Gayna exploration program. Highlights Hole GR25-013 from 31.31 m downhole: 51.22 m of 4.4% Zinc, including 24.00 m of 7.3% Zn and 5.17 m of ...