Tag
cratons
12 posts
- 09 May 2026The Crust That Wasn't There: The Albany-Fraser OrogenThe Albany-Fraser Orogen records a 1.3-billion-year-old collision that welded the Yilgarn and Gawler cratons together, creating a belt of charnockite and granulite that now forms Australia's southern
- 08 May 2026The Onion Skin: The Spheroidal Weathering of Karlu KarluExplore the 1.7-billion-year history of Karlu Karlu, where spheroidal weathering and thermal stress have sculpted massive granite batholiths into iconic desert spheres.
- 08 May 2026The Brittle Seam: The Southwest Seismic ZoneAn exploration of the Southwest Seismic Zone in Western Australia, where ancient Archean crust snaps under modern tectonic pressure.
- 08 May 2026The Mantle’s Elevator: The Merlin KimberlitesAn exploration of the Merlin Diamond Mine in the Northern Territory, where Devonian kimberlite pipes brought deep-mantle diamonds to the surface.
- 08 May 2026The Heavy Anchor: The Olympic Dam BrecciaAn exploration of the Olympic Dam deposit in South Australia, a 1.6-billion-year-old subterranean "supergiant" mineral system formed by catastrophic hydrothermal explosions.
- 08 May 2026The Archean Anchor: The Yilgarn CratonAn exploration of the Yilgarn Craton in Western Australia, one of Earth's oldest crustal blocks, preserving Archean greenstone belts and immense mineral wealth.
- 08 May 2026The Invisible Suture: The Tanami EventAn exploration of the 1.8-billion-year-old Tanami Event, the tectonic collision that welded the Australian cratons together and created its remote gold deposits.
- 08 May 2026The Iron Breath: The Hamersley Banded FormationsAn exploration of the Hamersley Banded Iron Formations and the biological revolution that turned the ancient oceans into iron.
- 08 May 2026The Frozen Fire of the Gawler RangesAn exploration of the Mesoproterozoic volcanic pillars of the Gawler Ranges, where 1.5 billion-year-old magma cooled into massive geometric columns.
- 08 May 2026The Thumbprint of the Archean: The North Pole DomeA journey into the 3.5-billion-year-old North Pole Dome of the Pilbara, where the world's oldest microbial fossils are preserved in pristine chert.
- 08 May 2026The First Witnesses: The Zircons of Jack HillsThe Jack Hills zircons of Western Australia are the oldest known materials on Earth, revealing a surprisingly cool and watery planet just 150 million years after its birth.
- 08 May 2026The Great Rusting of the Hamersley RangeThe Banded Iron Formations of the Pilbara represent a global chemical transition, where ancient microbial life turned the oceans into a planet-scale rust deposit.