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

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