Geochemical News Archive

New report shows high levels of arsenic and uranium in some wells

A new U.S. Geological Survey study provides an updated, statewide estimate of high levels of naturally occurring arsenic and uranium in private well water across Connecticut. This research builds on a USGS report published in 2017, with...

source: United States Geological Survey via Phys.org

Ancient atmospheric oxygen sleuthing with ocean chromium

Found in jewelry, car parts, pigments, and industrial chemical reactions, the metal chromium and its compounds are often employed for their color, finish, and anti-corrosive and catalytic properties. Currently, geoscientists and paleoceanographers from MIT and the Woods...

source: Phys.org

From stardust to pale blue dot: Carbon's interstellar journey to Earth

We are made of stardust, the saying goes, and a pair of studies including University of Michigan research finds that may be more true than we previously thought.

source: University of Michigan via Phys.org

Preseismic atmospheric radon anomaly associated with 2018 Northern Osaka earthquake

Elevated levels of radon in the atmosphere occur before and after earthquakes. However, Tohoku University researchers have discovered an anomaly: The 2018 Northern Osaka Earthquake. Analyzing data before and after the quake,...

source: Tohoku University via Phys.org

New in GCA (Volume 298 part 2 of 2)

Multi-collector 40Ar/39Ar dating of microtektites from Transantarctic Mountains (Antarctica): A definitive...

source: GS

Goldschmidt2021 Virtual: Learn What's New

Goldschmidt2021 will be a fully online meeting. The format is changing this year and all accepted abstracts...

source: GS

Volunteer Opportunities

The GS thrives thanks to the commitment of volunteers who support all of our programs. A number of committees and working groups are seeking new members now. If you would like to get more involved in the society, let us know!

source: GS

Early Earth's hot mantle may have led to Archean 'water world'

A vast global ocean may have covered early Earth during the early Archean eon, 4 to 3.2 billion years ago, a side effect of having a hotter mantle than today, according to new research.

source: American Geophysical Union via Phys.org

Deep diamonds contain evidence of deep-Earth recycling processes

Diamonds that formed deep in the Earth's mantle contain evidence of chemical reactions that occurred on the seafloor. Probing these gems can help geoscientists understand how material is exchanged between the planet's surface and its depths.

source: Carnegie Institution for Science via Phys.org

First solid clues uncovered to start of earth's supercontinent cycle

Curtin University research has uncovered the first solid clues about the very beginning of the supercontinent cycle of Earth, finding it was kick-started two billion years ago. Detailed in a paper published in Geology, a team of researchers...

source: SciTechDaily

Venus plots a comeback

In terms of space exploration, Mars is all the rage these days. This has left our closest neighbor, Venus—previously the most attractive planet to study because of its proximity and similar atmosphere to Earth—in the lurch. A new article in Chemical & Engineering...

source: American Chemical Society via Phys.org

New in GCA (Volume 298 part 1 of 2)

Experimental investigation of the reactions between pyrite and aqueous Cu(I) chloride solution at 100–250 °C...

source: GS

Update on Goldschmidt 2021 Conference Format

At the beginning of this year, we announced plans to create a hybrid Goldschmidt conference, and we were...

source: GS

Free and Discounted Student Access to Goldschmidt2021 Online

Even though Goldschmidt is now fully online, the GS and EAG are still offering free or reduced-cost registration...

source: GS

Arctic methane release due to melting ice is likely to happen again

Beneath the cold, dark depths of the Arctic ocean sit vast reserves of methane. These stores rest in a delicate balance, stable as a solid called methane hydrates, at very specific pressures and temperatures. If that balance gets tipped,...

source: ScienceDaily

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New report shows high levels of arsenic and uranium in some wells

Ancient atmospheric oxygen sleuthing with ocean chromium

From stardust to pale blue dot: Carbon's interstellar journey to Earth

Preseismic atmospheric radon anomaly associated with 2018 Northern Osaka earthquake

New in GCA (Volume 298 part 2 of 2)

Goldschmidt2021 Virtual: Learn What's New

Volunteer Opportunities

Early Earth's hot mantle may have led to Archean 'water world'

Deep diamonds contain evidence of deep-Earth recycling processes

First solid clues uncovered to start of earth's supercontinent cycle

Venus plots a comeback

New in GCA (Volume 298 part 1 of 2)

Update on Goldschmidt 2021 Conference Format

Free and Discounted Student Access to Goldschmidt2021 Online

Arctic methane release due to melting ice is likely to happen again

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