Author Archives: Romain Tartese

New group paper: H and Cl isotope characteristics of indigenous and late hydrothermal fluids on the differentiated asteroidal parent body of Grave Nunataks 06128

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With a total mass of ~650 grams, the meteorites Graves Nunataks (GRA) 06128 and 06129 are two large paired stones found by the US ANSMET team during the 2006 season in the Graves Nunataks area of the Transantarctic Mountains. The … Continue reading

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The first touchdown on the farside of the Moon – the China Chang’e-4 mission

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Today’s blog is written by PhD student Nian Wang, who is visiting our group for 6 months from the Institute of Geology and Geophysics of the Chinese Academy of Sciences (IGGCAS) in Beijing. Nian’s work deals with the geological evolution … Continue reading

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New group paper: Investigating the origin of carbonaceous chondrite organics through oxygen isotopes

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The origin of organic matter found in water- and carbon-rich meteorites, known as carbonaceous chondrites, which formed during the birth of the Solar System around 4.55 billion years ago, may provide important clues to understanding how life originated here on … Continue reading

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New group paper: Chlorine isotope composition of Apollo 14 lunar rocks

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Chlorine belongs to a group of elements known as the halogens, which are important tracers to investigate questions related to planet formation processes or habitability, for example (more on that in this previous blog entry on halogens in chondrite meteorites). … Continue reading

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New Group Paper: Investigating the geochemical preservation of 3 billion-year-old microfossils

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Carbonaceous microstructures resembling micro-organisms have been reported from numerous Archean formations (the Archean period ranges between 2.5 and 4.0 billion years ago). However, unequivocally identifying microfossils and their associated metabolism is not trivial in ancient rocks, notably because billions of … Continue reading

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