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 …

Geochemistry of silicate and oxide inclusions in sublithospheric diamonds

MJ Walter, AR Thomson… - Reviews in Mineralogy …, 2022 - pubs.geoscienceworld.org
Minerals included in diamonds provide direct information about the petrologic and chemical
environment of diamond crystallization. They record information relating to local and …

[HTML][HTML] Stagnant lids and mantle overturns: Implications for Archaean tectonics, magmagenesis, crustal growth, mantle evolution, and the start of plate tectonics

JH Bédard - Geoscience Frontiers, 2018 - Elsevier
The lower plate is the dominant agent in modern convergent margins characterized by
active subduction, as negatively buoyant oceanic lithosphere sinks into the asthenosphere …

CaSiO3 perovskite in diamond indicates the recycling of oceanic crust into the lower mantle

F Nestola, N Korolev, M Kopylova, N Rotiroti… - Nature, 2018 - nature.com
Laboratory experiments and seismology data have created a clear theoretical picture of the
most abundant minerals that comprise the deeper parts of the Earth's mantle. Discoveries of …

Pressure and temperature data for diamonds

P Nimis - Reviews in Mineralogy and Geochemistry, 2022 - pubs.geoscienceworld.org
One of the key scientific questions about diamonds is “how are they formed?” To answer this
question, we need to know the diamond-forming reactions and the physicochemical …

[PDF][PDF] Geochronology of diamonds

KV Smit, S Timmerman, S Aulbach… - Reviews in Mineralogy …, 2022 - minsocam.org
Diamond crystallization ages are essential information for science and industry, leading to
an understanding of how, why, and where diamonds form in Earth and how best to find …

[HTML][HTML] Sublithospheric diamond ages and the supercontinent cycle

S Timmerman, T Stachel, JM Koornneef, KV Smit… - Nature, 2023 - nature.com
Subduction related to the ancient supercontinent cycle is poorly constrained by mantle
samples. Sublithospheric diamond crystallization records the release of melts from …

Slab transport of fluids to deep focus earthquake depths—thermal modeling constraints and evidence from diamonds

SB Shirey, LS Wagner, MJ Walter, DG Pearson… - AGU …, 2021 - Wiley Online Library
The nature and cause of deep earthquakes remain enduring unknowns in the field of
seismology. We present new models of thermal structures of subducted slabs traced to …

Sublithospheric Diamonds: Plate Tectonics from Earth's Deepest Mantle Samples

SB Shirey, DG Pearson, T Stachel… - Annual Review of Earth …, 2024 - annualreviews.org
Sublithospheric diamonds and the inclusions they may carry crystallize in the
asthenosphere, transition zone, or uppermost lower mantle (from 300 to∼ 800 km), and are …

[HTML][HTML] Deep carbon cycling over the past 200 million years: a review of fluxes in different tectonic settings

K Wong, E Mason, S Brune, M East… - Frontiers in Earth …, 2019 - frontiersin.org
Carbon is a key control on the surface chemistry and climate of Earth. Significant volumes of
carbon are input to the oceans and atmosphere from deep Earth in the form of degassed …