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OzGeology is all about geology, mineralogy, volcanoes, and the many natural disasters that have shaped and continue to shape our world.

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OzGeology Articles

This New Oil Discovery Could Change Everything in Australia

Australia’s energy landscape may be on the verge of a major shift with the emergence of a potential new oil province in Queensland’s Taroom Trough. Long overlooked as part of the broader Bowen and Surat Basin system, this region is now being re-evaluated using modern petroleum geology, revealing a fully functioning hydrocarbon system capable of generating, migrating, and trapping oil. With Permian source rocks like the Blackwater Group and key reservoir units such as the Precipice Sandstone, geologists are now targeting deeper, previously unexplored structures that may still contain significant untapped oil reserves. As exploration ramps up, this discovery could reshape Australia’s domestic energy future and mark the first new oil province identified in decades.

Did A Gold Mine Cause A Record Breaking Earthquake in Australia?

A magnitude 4.5 earthquake struck near Orange, New South Wales in April 2026, becoming the largest recorded in the Cadia region in years. This unusually shallow earthquake was felt up to 300 km away, raising serious questions about whether mining at Cadia Valley Operations may have triggered the event. This video explores the science behind shallow earthquakes, fault reactivation, and how large-scale gold mining operations can redistribute stress in the Earth’s crust. Was this earthquake purely natural, or could human activity have played a role? Dive into Australian geology, seismic activity in NSW, and the real mechanics behind mining-induced earthquakes.

The Shocking 190 Metre Tall MEGA TSUNAMI of 1792

In 1792, a massive landslide at Mount Unzen triggered a devastating megatsunami in the Ariake Sea, killing 15,000 people. This video explores how a collapsing volcanic dome generated an extreme wave possibly reaching 190 metres, and why this remains one of the most powerful and least understood tsunami disasters in history.

How Australia Engineered Its Own Fuel Crisis

Australia is facing a growing fuel crisis as petrol and diesel prices surge past $3.30 per litre, exposing a major weakness in the nation’s energy system. Despite having significant oil and gas resources, Australia relies heavily on imported refined fuel, making it vulnerable to global disruptions like the closure of the Strait of Hormuz. This video explains how refinery closures, low fuel reserves, and dependence on overseas supply chains have left Australia exposed, and explores whether the country could achieve fuel self-sufficiency through domestic oil production, LPG, and synthetic fuels.

The Richest River of Gold in the World in New Zealand

The Shotover River is known as the richest gold river in the world, producing millions of ounces of gold during the Otago gold rush. Flowing through the rugged cliffs of Skippers Canyon, this river became a natural gold concentration system, where high-energy water, steep terrain, and repeated flooding worked together to trap and refine gold into incredibly rich deposits. This video explores the geology behind these world-class placer deposits, how gold forms in schist-hosted quartz systems, and why the Shotover remains one of the most fascinating gold-bearing environments ever discovered.

The Dirty Truth Behind Renewable Energy

The green energy revolution depends on massive mining. Discover the hidden truth behind renewable energy, electric vehicles, and the critical minerals driving the transition.

This Mine Shouldn’t Exist… But It’s Worth Billions: The Costerfield Mine

Discover the Costerfield Mine in Victoria, Australia—a high-grade underground gold antimony deposit worth billions. Learn how narrow quartz-stibnite veins formed and why antimony is now a critical mineral in global supply chains.

The Devastating 100 Metre Tall MEGA TSUNAMI of 1888

In 1888, Ritter Island collapsed into the ocean, triggering a devastating mega tsunami. This video explores how volcanic landslides create tsunamis, the science behind extreme wave heights, and why this forgotten disaster may have produced waves over 100 metres tall. Learn how landslide-generated tsunamis differ from earthquake tsunamis, why the ocean receded before impact, and what this event reveals about future coastal hazards.

One of the World’s Most Critical (Yet Overlooked) Resources: Bauxite

Bauxite is one of the world’s most critical yet overlooked resources, forming the foundation of global aluminium production. This video explores the massive Weipa bauxite deposit in Queensland, Australia, and explains how lateritic weathering creates aluminium-rich ore over millions of years. Discover how pisolitic bauxite forms, why the deposit is still evolving today, and how this quiet resource powers modern infrastructure, renewable energy, and global industry.

One of The Strangest Lakes on Earth: Lake Natron

Discover the shocking truth about Lake Natron, the lake that appears to turn animals to stone. This video explains the real science behind its extreme alkalinity, how it preserves dead animals, and why flamingos thrive in one of the harshest environments on Earth.

They Just Found BILLIONS in Gold & Silver in New Zealand

A massive high-grade gold and silver discovery in New Zealand is revealing a rare, free-milling epithermal system worth billions. This article breaks down how gold and electrum formed in volcanic rocks, why the grades are so high, and what makes this deposit one of the most exciting modern gold discoveries.

The Recent South Australia Earthquake Explained

A recent earthquake in South Australia has revealed something extraordinary beneath the surface. This video explores how a magnitude 5.5 earthquake in the APY Lands is linked to ancient faults formed over 500 million years ago during the Petermann Orogeny. Learn how intraplate earthquakes occur in Australia, why seismic activity can happen far from plate boundaries, and how deep crustal structures still control movement today.