Browsing Tag

Plate Tectonics

What’s Mars made of?

Researchers simulate the core of Mars to investigate its composition and originCredit: CC-0 Earth-based experiments on iron-sulfur alloys thought to comprise the core of Mars reveal details about the planet's seismic…

A tale of two kinds of volcanoes

Credit: Ms Therese van Wyk, University of Johannesburg At an idyllic island in the Mediterranean Sea, ocean covers up the site of a vast volcanic explosion from 3200 years ago. A few hundred kilometers north-west, three…

The great unconformity

A billion years is missing from the geologic record; one UC Santa Barbara scientist believes he knows where it may have gone The geologic record is exactly that: a record. The strata of rock tell scientists about past environments, much…

Is planet Earth young or old?

Credit: World Scientific The Age of the Earth -- A Physicist's Odyssey spells out how the age of our planet has been determined over the years. What do you want to know? The result? Two diametrically opposite answers. They can't…

Journey to the center of the Earth

First of its kind experiment uses diamond anvils to simulate the Earth's coreCredit: © 2020 Kelvinsong - CC BY-SA 3.0 In an effort to investigate conditions found at the Earth's molten outer core, researchers successfully determined the…