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The cruise is led by Ursula Röhl of MARUM (left) and Debbie Thomas of Texas A&M University (right). They are supported by the Expedition Project Manager Laurel Childress.

International team starts on drilling expedition

seismogram

Magnitude of Great Lisbon Earthquake may have been lower than previous...

Gachala Emerald.

Gachalá Emerald : One of the most valuable and famous emeralds...

Coyamito Agate Pseudomorph aka pretty rock.

Types of Agate : What are the different types of agate?

Exceptional and very rare Oregon opals with precious color play.

Opals in Oregon : Where to Find Opals in Oregon?

Pinfire Pattern Cantera Opal.

Cantera Opal : What is Cantera Opal ? How Cantera Opal...

Rainbow Obsidian

Obsidian : How to Identify Obsidian?

Canyonlands National Park, USA

Top Ten Spectacular Geological Sites in the USA

Structure layers of the earth.

Scientists Find Iron ‘Snow’ in Earth’s Core

Whakaari/White Island, New Zealand. On December 9, 2019, several Australians were among the dozens of tourists who were killed, injured, or went missing when the volcano erupted. Credit: Rfleming/public domain.

Survey reveals low awareness of volcanic hazards in Australia

Artist’s depiction of an ornithopod dinosaur tending its nest.

Baby dinosaurs found in Australia

Earth's layers

New insights into the formation of Earth’s crust

A schematic summary of the effect of the convergence rate. Upper image shows a slow convergence rate allows thermal difussion and a derived reduction of slab's density (positive buoyancy). Lower image shows how a faster convergence rate increases the slab's density promoting the negative buoyancy. Credit: Kittiphon Boonma, Scientific Reports

Study explores the density of the tectonic plates and why they...

The specimen will be stripped of the scientific name Mongolarachne chaoyangensis and rechristened as a crayfish

A ‘Jackalope’ of an ancient spider fossil deemed a hoax, unmasked...

Rough Koroit opal " Opalized wood " from Victoria, Australia.

Opalized “Petrified” Wood

A fossilized snail shell, ready to be analyzed in the laboratory

Earth was stressed before dinosaur extinction

Rocks containing microscopic fossil pollen were collected to determine the age of fossil leaves from Castle Cove, Otway Ranges, Victoria.

When flowers reached Australia

An intimidating sight: Asfaltovenator vialidadi. Source: Gabriel Lio

Experiments in evolution

The Great Escarpment in Karoo National Park, South Africa, looking across the Lower Karoo. Credit: Wikimedia Commons

Mass extinction of land and sea biodiversity 250 million years ago...

This slab of sandstone has been on display since 1896, showing off the scaly footprints of a prosauropod dinosaur. Scientists only recently realized that the deep grooves on the left may be the track of a sailing stone. Credit: Lull, R.S., 1915

Sailing stone track discovered ‘hiding in plain sight’ in dinosaur fossil

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