When one tectonic plate sinks beneath another, it generates magmas rich in volatiles such as water, sulfur and chlorine. As these magmas ascend, they release magmatic fluids, in which sulfur and ...

South Africa's history and economy has been built on its rich natural treasures of a number of precious metals, stones and minerals. The country's mineral deposits have been created over hundreds of ...

Models that inform how magma moves and volcanic eruptions unfold may need an update, according to a new study. It reports that gas bubbles in magmas can form through the mechanical forces of shear as ...

Ore deposits are scarce. Their discovery consumes considerable time and resources and only about one in every thousand prospects explored by companies is eventually developed into a mine. Deposits ...

QUESTION: What causes a volcano to erupt? ANSWER: Volcanoes are openings in the Earth’s surface that sometimes release magmas from the Earth’s interior. Magma is molten rock, generally at 800 to 1300 ...

A new study unlocks the science behind a key ingredient -- namely oxygen -- in some of the world's most violent volcanoes. The research offers a new model for understanding the oxidation state of arc ...