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Stable Isotope Geochemistry Team News

Oceans on the verge of an asthma attack?

15 November 2023

Research

Oceans on the verge of an asthma attack?

Is it correct to compare the future ocean to an asthma attack? To answer this question, Giovanni Aloisi, a CNRS researcher and geochemist at IPGP, has...

The mystery of Mediterranean low-salt gypsum deposits

16 June 2022

Press, Research

The mystery of Mediterranean low-salt gypsum deposits

Around six million years ago, at the end of the Miocene, the Mediterranean Sea underwent a period of rapid drying, gradually turning into a saline gia...

A new tool for eruption forecasting

16 April 2020

Press, Research

A new tool for eruption forecasting

With its 78% nitrogen and 21% oxygen, the Earth's atmosphere is a unique mixture in the Solar System - on Venus and Mars, the atmosphere is essentiall...

Predominant role of purple bacteria in stromatolite formation in Lake Dziani Dzaha, Mayotte

13 July 2018

Press, Research

Predominant role of purple bacteria in stromatolite formation in Lake Dziani Dzaha, Mayotte

Using a combination of micro-imaging and microbial ecology techniques, a multi-disciplinary team (1) has highlighted the predominant role played by ph...

Towards a better understanding of paleoclimates in the sedimentary archive

28 February 2017

Press, Research

Towards a better understanding of paleoclimates in the sedimentary archive

Calcite microfossils preserved in sediments are widely used to reconstruct the Earth's past oceanographic conditions and climates. By analyzing their ...

First signs of a vital bacterial effect on carbonate oxygen isotopes

09 February 2017

Press, Research

First signs of a vital bacterial effect on carbonate oxygen isotopes

A multidisciplinary approach led by two teams at the Institut de Physique du Globe de Paris has demonstrated that a bacterium present in the soil indu...

A unique iron isotope anomaly to identify fossil magnetotactic bacteria

06 May 2016

Press, Research

A unique iron isotope anomaly to identify fossil magnetotactic bacteria