Geology

Study analyses organic material from 3.5 billion-year-old biomass

Researchers from the University of Göttingen are using high resolution techniques to trace the origin and composition of a 3.5 billion-year-old biomass.

Source of Snowball Earth solved

Geologists have solved the source of Snowball Earth, a period when the planet’s environment was an extreme "icehouse".

Study suggests that nature played a role in the origins of the Great Sphinx

The Great Sphinx of Giza is a limestone statue of a reclining sphinx, a mythical creature characterised by the combination of a human head and a lion's body.

Geological puzzle of lost continent of Argoland solved

Approximately 155 million years ago, a 5000 km piece of continent broke off from western Australia, leaving behind a basin hidden below the ocean known as the Argo Abyssal Plain.

The Cave of Crystals

The Cave of Crystals is a large chamber containing giant crystals in the Naica Mine, located in Mexico’s State of Chihuahua.

Paleorivers across Sahara may have supported ancient human migration routes

Paleoclimate simulations reveal potential 'green corridors' across North Africa

Ancient Earth crust stored in deep mantle

Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust. But decisive evidence for this phenomenon has proven elusive. New research from a team including Carnegie's Erik Hauri demonstrates that oceanic volcanic rocks contain samples of recycled crust dating back to the Archean era 2.5 billion years ago. Their work is published in Nature.

Researchers pinpoint date and rate of Earth’s most extreme extinction

The most severe mass extinction on Earth occurred 250 million years ago, but what's eluded researchers is the specific time when the extinctions happened.

Aquae Sulis under threat from proposed drilling

The ancient Roman City of Aquae Sulis is threatened by the process of "fracking".

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