The archean atmosphere

DC Catling, KJ Zahnle - Science advances, 2020 - science.org
The atmosphere of the Archean eon—one-third of Earth's history—is important for
understanding the evolution of our planet and Earth-like exoplanets. New geological proxies …

[HTML][HTML] Subducting carbon

T Plank, CE Manning - Nature, 2019 - nature.com
A hidden carbon cycle exists inside Earth. Every year, megatons of carbon disappear into
subduction zones, affecting atmospheric carbon dioxide and oxygen over Earth's history …

[HTML][HTML] Mineral protection regulates long-term global preservation of natural organic carbon

JD Hemingway, DH Rothman, KE Grant, SZ Rosengard… - Nature, 2019 - nature.com
The balance between photosynthetic organic carbon production and respiration controls
atmospheric composition and climate,. The majority of organic carbon is respired back to …

[HTML][HTML] Mountains, erosion and the carbon cycle

RG Hilton, AJ West - Nature Reviews Earth & Environment, 2020 - nature.com
Mountain building results in high erosion rates and the interaction of rocks with the
atmosphere, water and life. Carbon transfers that result from increased erosion could control …

Ambient weathering of magnesium oxide for CO2 removal from air

N McQueen, P Kelemen, G Dipple, P Renforth… - Nature …, 2020 - nature.com
To avoid dangerous climate change, new technologies must remove billions of tonnes of
CO2 from the atmosphere every year by mid-century. Here we detail a land-based …

Reevaluating carbon fluxes in subduction zones, what goes down, mostly comes up

PB Kelemen, CE Manning - Proceedings of the National …, 2015 - National Acad Sciences
Carbon fluxes in subduction zones can be better constrained by including new estimates of
carbon concentration in subducting mantle peridotites, consideration of carbonate solubility …

[HTML][HTML] The rise of oxygen in Earth's early ocean and atmosphere

TW Lyons, CT Reinhard, NJ Planavsky - Nature, 2014 - nature.com
The rapid increase of carbon dioxide concentration in Earth's modern atmosphere is a
matter of major concern. But for the atmosphere of roughly two-and-half billion years ago …

Mineralogy, early marine diagenesis, and the chemistry of shallow-water carbonate sediments

JA Higgins, CL Blättler, EA Lundstrom… - … et Cosmochimica Acta, 2018 - Elsevier
Shallow-water carbonate sediments constitute the bulk of sedimentary carbonates in the
geologic record and are widely used archives of Earth's chemical and climatic history. One …

The climate of early Mars

RD Wordsworth - Annual Review of Earth and Planetary …, 2016 - annualreviews.org
The nature of the early martian climate is one of the major unanswered questions of
planetary science. Key challenges remain, but a new wave of orbital and in situ observations …

The deep carbon cycle and melting in Earth's interior

R Dasgupta, MM Hirschmann - Earth and Planetary Science Letters, 2010 - Elsevier
Carbon geochemistry of mantle-derived samples suggests that the fluxes and reservoir sizes
associated with deep cycle are in the order of 1012–13gC/yr and 1022–23g C, respectively …