Signatures of early microbial life from the Archean (4 to 2.5 Ga) eon

K Lepot - Earth-Science Reviews, 2020 - Elsevier
Abstract The Archean era (4 to 2.5 billion years ago, Ga) yielded rocks that include the
oldest conclusive traces of life as well as many controversial occurrences. Carbonaceous …

Fluid and mass transfer at subduction interfaces—The field metamorphic record

GE Bebout, SC Penniston-Dorland - Lithos, 2016 - Elsevier
The interface between subducting oceanic slabs and the hanging wall is a structurally and
lithologically complex region. Chemically disparate lithologies (sedimentary, mafic and …

High-temperature electrothermal remediation of multi-pollutants in soil

B Deng, RA Carter, Y Cheng, Y Liu, L Eddy… - Nature …, 2023 - nature.com
Soil contamination is an environmental issue due to increasing anthropogenic activities.
Existing processes for soil remediation suffer from long treatment time and lack generality …

Deep carbon cycle constrained by carbonate solubility

S Farsang, M Louvel, C Zhao, M Mezouar… - Nature …, 2021 - nature.com
Earth's deep carbon cycle affects atmospheric CO2, climate, and habitability. Owing to the
extreme solubility of CaCO3, aqueous fluids released from the subducting slab could extract …

Methane-hydrogen-rich fluid migration may trigger seismic failure in subduction zones at forearc depths

F Giuntoli, L Menegon, G Siron, F Cognigni… - Nature …, 2024 - nature.com
Metamorphic fluids, faults, and shear zones are carriers of carbon from the deep Earth to
shallower reservoirs. Some of these fluids are reduced and transport energy sources, like …

Massive production of abiotic methane during subduction evidenced in metamorphosed ophicarbonates from the Italian Alps

A Vitale Brovarone, I Martinez, A Elmaleh… - Nature …, 2017 - nature.com
Alteration of ultramafic rocks plays a major role in the production of hydrocarbons and
organic compounds via abiotic processes on Earth and beyond and contributes to the …

Lightning strikes as a major facilitator of prebiotic phosphorus reduction on early Earth

BL Hess, S Piazolo, J Harvey - Nature communications, 2021 - nature.com
When hydrated, phosphides such as the mineral schreibersite,(Fe, Ni) 3P, allow for the
synthesis of important phosphorus-bearing organic compounds. Such phosphides are …

Subduction hides high-pressure sources of energy that may feed the deep subsurface biosphere

A Vitale Brovarone, DA Sverjensky, F Piccoli… - Nature …, 2020 - nature.com
Geological sources of H2 and abiotic CH4 have had a critical role in the evolution of our
planet and the development of life and sustainability of the deep subsurface biosphere. Yet …

The water and fluid-mobile element cycles during serpentinite subduction. A review

M Scambelluri, E Cannaò… - European Journal of …, 2019 - pubs.geoscienceworld.org
The key role of serpentinites in the global cycles of volatiles, halogens and fluid-mobile
elements in oceans and in subduction zones is now ascertained by many studies …

Formation of abiotic hydrocarbon from reduction of carbonate in subduction zones: Constraints from petrological observation and experimental simulation

R Tao, L Zhang, M Tian, J Zhu, X Liu, J Liu… - … et Cosmochimica Acta, 2018 - Elsevier
Subduction is a key process for linking the carbon cycle between the Earth's surface and its
interior. Knowing the carbonation and decarbonation processes in the subduction zone is …