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Scientists examined hundreds of samples taken along the global ridges that contain recycled ancient oceanic crust in variable amounts. "Depleted" segments of the ridge received lower than "normal" amounts of recycled crust, while "enriched" segments contain a larger proportion of recycled crust.

Geochemists solve mystery of Earth’s vanishing crust

Geology Page - June 27, 2020

Insights into biogeochemical cycles based on glacial meltwater chemistry

Some islands started in diamond-bearing regions under continents, geochemists say

Project maps the chemistry of the world’s oceans

Geochemical detectives use lab mimicry to look back in time

Oxygen key to containing coal ash contamination

Geology Page - April 13, 2016

Geochemists show experimental verification of principle of detailed balance

Geology Page - March 9, 2016

Cosmochemists find evidence of rare element in early solar system

Geology Page - March 5, 2016

A distant planet’s interior chemistry may differ from our own

Geology Page - September 1, 2015

The Chemistry of Waters that Follow from Fracking: A Case Study

Geology Page - May 16, 2015

Geochemical process on Saturn’s moon linked to life’s origin

Geology Page - May 9, 2015

Chemistry of seabed’s hot vents could explain emergence of life

Geology Page - April 27, 2015

Geochemical signals foretell Icelandic earthquakes

Geology Page - September 28, 2014

Study finds missing piece of biogeochemical puzzle in aquifers

Geology Page - May 2, 2014

Geochemical ‘fingerprints’ leave evidence that megafloods eroded steep gorge

Geology Page - July 23, 2013

Geochemical Method Finds Links Between Terrestrial Climate and Atmospheric Carbon Dioxide

Geology Page - April 24, 2013

Studying Ancient Earth’s Geochemistry

Geology Page - February 28, 2013

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Plant roots built beachhead for life on land

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November 20, 2014

Linnaeite

May 25, 2014

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January 25, 2014

MORE ARTICLES

Fogo volcano on Sentinel’s radar

fresh olivine (large green, blue and pink crystals) and glass inclusion (lower left inset)

Newly discovered Minerals in Volcanic Rock that May Offer new insights...

Sampling Hot Molten Lava

A wet-dry scenario in a prebiotic hot spring or tidal pool.

Simple chemical process that may have led to the origin of...