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Scientific Discipline Geochemistry, Mineralogy, Volcanology

Planetary Sciences
Schematic of how chlorate could oxidize reducing iron to iron oxides in various aqueous environments on Mars

Editors' Highlights 18 hours ago

Why Is the Red Planet Red? Chlorate May Oxidize Mars’ Surface

Laboratory experiments and geochemical model suggest that chlorate is very effective to oxidize reducing iron to reddish iron oxides on Mars when liquid water was present on the surface.
Read More »
Geochemistry, Mineralogy, Volcanology
Ash from the Sierra Negra volcano on Isla Isabela in the Galápagos Islands drifts across the sky during an October 2005 eruption.

Research Spotlight 3 December 2019

Forecasting Volcanic Eruptions with Artificial Intelligence

A machine learning algorithm automatically detects telltale signs of volcanic unrest.
Read More »

1 Comment

Geohealth
Lake Nyos, Cameroon, surrounded by lush green vegetation

News 21 November 2019

Lethal Volcanic Gases at an Italian Country Club

High levels of carbon dioxide and hydrogen sulfide emitted by volcanic outgassing caused a deadly accident near Rome, Italy, in 2011, geoscientists have shown.
Read More »

2 Comments

Hydrology, Cryosphere & Earth Surface
A raft’s eye view of rapids on the Colorado River in the Grand Canyon

Feature 19 November 2019

Will Earth’s Grandest Canyon Keep Getting Grander?

Living in Geologic Time: Rafting through the past, present, and future of the Colorado River and the Grand Canyon.
Read More »
Hydrology, Cryosphere & Earth Surface
A woman outfitted in climbing gear stands on a dirty glacier.

News 18 November 2019

Podcast: A Nuclear Legacy Buried in Ice

The radioactive remains of nuclear testing during the Cold War and from nuclear disasters like Chernobyl are still with us and can be found in some of the remotest glaciers on Earth.
Read More »
Geochemistry, Mineralogy, Volcanology
Lightning sparks from the eruption column of the Eyjafjallajökull volcano.

News 15 November 2019

Sparks May Reveal the Nature of Ash Plumes

In lab experiments and models, researchers uncover how ash can affect the standing shock waves of erupting volcanoes. Their findings may lead to new predictions of volcanic ash hazards.
Read More »
Geology & Geophysics
Photograph showing calcite-filled fractures in limestone in the Oman Mountains

Editors' Vox 14 November 2019

How Chemical Processes Influence Fracture Pattern Development

Many tools of chemical analysis, experimentation, modeling, and theory have the potential to increase our understanding of how fracture patterns develop at different geological time scales.
Read More »
Geology & Geophysics
Close-up of a mussel shell near the waterline on a sandy beach

News 11 November 2019

Shells Sound Out Sand’s Acoustic Signatures

Shell remains give sand from different locations unique acoustic signatures.
Read More »
Geohealth
Off-road vehicle kicks up dust in the desert

News 6 November 2019

Asbestos Fibers Thread Through Rocks and Dust Outside Vegas

Scientists found natural asbestos minerals in one of the fastest-growing counties in the United States. The health implications aren’t clear, nor are the impacts on development.
Read More »
Hydrology, Cryosphere & Earth Surface
Water flows from a pipe at an oasis in the Saudi desert.

News 5 November 2019

Arid Arabian Peninsula Is Tapping into Vast Groundwater Reserves

A new, multipronged study sheds light on an ancient aquifer system.
Read More »
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Science Policy & Funding

Opinion 4 December 2019

Laying Proper Foundations for Diversity in the Geosciences

Geohealth

News 21 November 2019

Lethal Volcanic Gases at an Italian Country Club

2 Comments

Natural Hazards

Feature 25 November 2019

No Place to Flee

From AGU Journals

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Geophysical Research Letters

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Global Biogeochemical Cycles

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December 2019

Volume 98 Issue 12

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Science Policy & Funding

Opinion 4 December 2019

Laying Proper Foundations for Diversity in the Geosciences

Geohealth

News 21 November 2019

Lethal Volcanic Gases at an Italian Country Club

2 Comments

Natural Hazards

Feature 25 November 2019

No Place to Flee

Most Commented

Ocean Sciences

Editors' Vox 9 September 2019

Antarctic Seasonal Sea Ice Melts Faster Than It Grows

12 Comments

Geohealth

News 8 November 2019

Keystone Pipeline Spills 9,120 Barrels of Oil in Dakota Wetlands

9 Comments

Geology & Geophysics

Feature 22 November 2019

Three Times Tectonics Changed the Climate

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Education

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Science Policy & Funding

Opinion 4 December 2019

Laying Proper Foundations for Diversity in the Geosciences

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  • News
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      • Geohealth
      • Geology & Geophysics
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