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Articles related to Geology

Feature: Mining Minerals in Space
Space is a vast source of valuable minerals that could soon propel an extraterrestrial mining industry that underpins a colony on Mars.
Cover Story: Cosmic Hotspots for Life
New evidence reveals that large meteorite impacts took long enough to cool for microbial life to emerge and thrive in the wet and warm conditions of the impact crater.
Browse: Small Crater Responsible for the Great Dying
An Australian scientist believes he has identified the crater responsible for the greatest extinction in our planet’s history.
Browse: Glaciers Reveal the Regional Nature of Climate Change
Browse: Largest Undersea Landslide Revealed on the Great Barrier Reef
Feature: Conditions for Creation
A sequence of the world’s oldest rocks in the depths of the Mariana Trench indicates that both plate tectonics and life may have commenced on Earth 4.4 billion years ago.
Browse: Antarctic Lake Theory Dries Up Browse: Fresh Water Lies under the Sea
Vast quantities of fresh water have been found underneath the oceans, possibly providing a cheaper and more environmentally friendly alternative to desalination for thirsty cities.
Feature: Drilling for Sub-Seafloor Life
Extreme sub-sea temperatures, noxious fumes and broken drilling rods made life difficult onboard a scientific expedition that set out to sample life deep beneath the sea.
Browse: Impact Crater Chain Wasn’t a Single Catastrophic Event
Browse: Microplate Discovery Dates Birth of Himalayas Browse: Slippery Sea Floor Lubricated Japanese Earthquake
The astonishing size of the tsunami produced by the Tohoku earthquake in March 2011 has been attributed to the slipperiness of the clay that fills the boundary between the Japanese and Pacific plates.
Browse: What Set the Earth’s Plates in Motion? Browse: Meteoritic Time Capsules
Asteroid impacts can preserve tiny fragments of the ecosystems they destroy, creating a time capsule for us to open on an ancient world.
Browse: Geologists Find a Piece of Australia under Vanuatu
Feature: A Dangerous Hunt for Gold in Brazil
South Australian scientists have negotiated with armed gangs in lawless areas of Brazil in a brave mission to study gold deposition processes there.
Browse: Tasmania’s Oldest Rocks Reveal North American Link Browse: Mass Extinction Event When Australia Split from Antarctica
Browse: Australian Volcanoes Caused First Mass Extinction
Credit: Microstocker/Adobe
Cover Story: Ancient Australia’s Super-Eruptions
Sediments beneath the Nullarbor Plain have revealed that super-eruptions in eastern Australia more than 100 million years ago were powerful enough to blast crystals right across the country.
Cover Story: A Different Angle on Earth’s Climate History
Earth’s axial tilt affects our environment in many ways, but a much greater tilt in the remote geological past may have strongly influenced the planet’s climate history and the evolution of life.
Aerial view of several Himalayan glaciers.
Feature: The Lost Riches of the Himalaya
Most of the world’s gold and copper deposits are formed at tectonic plate boundaries. It’s a pity, then, that geologists find it difficult to locate the ancient plate boundaries in the Himalayan mountains.
AP via AAP/Pier Paolo Cito
Feature: Guilty?
The conviction of Italian scientists at the centre of the tragic L’Aquila earthquake was not an attack on the sanctity of science.
Feature: Fool’s Gold & the Ascent of Man
Ancient samples of pyrite, or fool’s gold, have revealed the role of plate tectonics in bursts of evolution and mass extinction events. Did man ultimately originate from mega-mountains?
Feature: A Piece of North America Is Now in Queensland
Geologists have discovered rocks in northern Queensland that bear striking similarities to those found in North America, suggesting that part of northern Australia was actually part of North America 1.7 billion years ago.
Feature: Cloudy with a Chance of Earthquakes
The rupture of a megafault beneath New Zealand in 2016 has revealed a periodicity to earthquakes that may enable geologists to forecast seismic events based on satellite monitoring of the Earth’s movements.
Browse: Auckland’s Volcano Risk Revised
The Rangitoto volcano near Auckland erupted for a period of 1000 years, not 50 years as previously thought, challenging ideas about the behaviour of small volcanoes and causing a rethink of safety plans in New Zealand’s largest city.
Browse: Gravity Mapped Precisely
Satellite measurements have been used to map the Earth’s gravity to an unprecedented resolution.
Browse: World’s Largest Asteroid Impacts Found in Central Australia Browse: Ancient Oceans of Gold Point to Potential New Deposits
Browse: Rare Mineral Discovery Identifies Ancient Meteorite Impact Browse: Australia’s Record-Breaking Volcano Chain
Browse: The Creation of Kosciusko Browse: Wren DNA Reshapes NZ Geological Theory
Browse: Fault Responsible for Indonesian Tsunamis Exposed Browse: Harnessing bacteria to turn gold grains into nuggets
Browse: Earth’s Magmatic Heart May Be Beating Browse: Magma Crystals Provide “Amazing Snapshots” of Volcanic Activity
Cool Careers: The Earth Moves
Prof Mike Sandiford is putting recent earthquakes, and human activities, into geological context.
Cool Careers: Geology on the Up
Prof Jonathan Aitchison is rewriting the story of the world’s greatest mountain chain. Soon textbooks may need to follow.
Directions: What’s Ahead for the Minerals Industry?
Significant innovation is a must to satisfy mining regulators and communities.
Directions: Mineral Exploration Malaise Uncovered
The UNCOVER Initiative aims to revive Australia’s minerals exploration efforts.
Up Close: Sedimental journey: Probing climate's buried past to predict our future
Paleoclimatologist Prof Jonathan Overpeck describes how research into uncovering the earth’s climate history generates important insights about our climate future.
Up Close: Ear to the ground: Preparing for and recovering from earthquakes
Earthquake researcher Assoc Prof Mark Quigley explains the lessons learned from recent major earthquakes into how to better prepare regions at risk, the value of strong science communication to affected populations during crisis, and the importance of developing appropriate building codes in anticipation of the Next Big One.
Online Feature: Mining with Liquids
New minerals research at the South Australian Museum is set to change the face of the mining industry, with Head of Earth Sciences Professor Allan Pring and his team working on the concept of ‘liquid mining’.
Online Feature: New Zealand's Alpine Fault reveals extreme underground heat and fluid pressure
Feature: Birth of the Red Sea
New evidence about the creation of the Red Sea has fundamentally changed how geologists understand the birth of oceans.