Geology Archives - HeritageDaily

Geology

Geoscientists Discovers Causes of Sudden Volcanic Eruptions

September 26, 2020

Tiny crystals, ten thousand times thinner than a human hair, can cause explosive volcanic eruptions.

Geology

Dust May Have Controlled Ancient Human Civilization

September 15, 2020

When early humans began to travel out of Africa and spread into Eurasia over a hundred thousand years ago, a fertile region around the eastern Mediterranean Sea called the Levant served as a critical gateway between northern Africa and Eurasia.

Geology

Rebirth of a Volcano

September 12, 2020

Volcanoes are born and die - and then grow again on their own remains. The decay of a volcano in particular is often accompanied by catastrophic consequences, as was the most recent case for Anak Krakatau in 2018.

Geology

The Age of the Earth’s Inner Core Revised

August 21, 2020

By creating conditions akin to the center of the Earth inside a laboratory chamber, researchers have improved the estimate of the age of our planet's solid inner core, putting it at 1 billion to 1.3 billion years old.

Geology

Study Rewrites the Recent History of Productive Cascade Arc Volcanoes

August 14, 2020

Volcanic eruptions in the Cascade Range of the Pacific Northwest over the last 2.6 million years are more numerous and closely connected to subsurface signatures of currently active magma than commonly thought, according to newly published research.

Geology

Rare ‘Boomerang’ Earthquake Observed Along Atlantic Ocean Fault Line

August 10, 2020

Scientists have tracked a 'boomerang' earthquake in the ocean for the first time, providing clues about how they could cause devastation on land.

Geology

Plate Tectonics Goes Global

August 5, 2020

Today, the entire globe is broken up into tectonic plates that are shifting past each other, causing the continents to drift slowly but steadily. But this has not always been the case.

Geology

Optical Seismometer Survives “Hellish” Summit of Caribbean Volcano

August 5, 2020

The heights of La Soufrière de Guadeloupe volcano can be hellish, sweltering at more than 48 degrees Celsius (120 degrees Fahrenheit) and swathed in billows of acidic gas.

Geology

Geologists Publish New Findings on Carbonate Melts in Earth’s Mantle

August 4, 2020

Geologists from Florida State University's Department of Earth, Ocean and Atmospheric Science have discovered how carbon-rich molten rock in the Earth's upper mantle might affect the movement of seismic waves.

Climate Change

Volcanic Eruptions Responsible for Cooling of Earth Around 13,000 Years Ago

August 1, 2020

Ancient sediment found in a central Texas cave appears to solve the mystery of why the Earth cooled suddenly about 13,000 years ago, according to a research study co-authored by a Texas A&M University professor.

Geology

Scientists Reveal an Explosive Secret Hidden Beneath Seemingly Trustworthy Volcanoes

July 28, 2020

An international team of volcanologists working on remote islands in the Galápagos Archipelago has found that volcanoes which reliably produce small basaltic lava eruptions hide chemically diverse magmas in their underground plumbing systems - including some with the potential to generate explosive activity.

Geology

A New Idea on How Earth’s Outer Shell First Broke into Tectonic Plates

July 20, 2020

The activity of the solid Earth - for example, volcanoes in Java, earthquakes in Japan, etc - is well understood within the context of the ~50-year-old theory of plate tectonics.

Geology

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