Mineral inclusions in lithospheric diamonds

T Stachel, S Aulbach, JW Harris - Reviews in Mineralogy …, 2022 - pubs.geoscienceworld.org
Initially, it may seem extremely daunting to be sitting in front of several thousand carats of
small diamonds, knowing that the likelihood of finding a diamond with a meaningful …

Diamond formation—Where, when and how?

T Stachel, RW Luth - Lithos, 2015 - Elsevier
Geothermobarometric calculations for a worldwide database of inclusions in diamond
indicate that formation of the dominant harzburgitic diamond association occurred …

Experimental petrology applied to natural diamond growth

RW Luth, YN Palyanov… - Reviews in Mineralogy …, 2022 - pubs.geoscienceworld.org
Perhaps the first point to address in this chapter is what role, or roles, experimental petrology
can play in understanding the formation of natural diamond. As can be seen from the other …

Experimental constraints on mantle metasomatism caused by silicate and carbonate melts

F Gervasoni, S Klemme, A Rohrbach, T Grützner… - Lithos, 2017 - Elsevier
Metasomatic processes are responsible for many of the heterogeneities found in the upper
mantle. To better understand the metasomatism in the lithospheric mantle and to illustrate …

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 …

Experimental investigation of the composition of incipient melts in upper mantle peridotites in the presence of CO2 and H2O

Z Pintér, SF Foley, GM Yaxley, A Rosenthal, RP Rapp… - Lithos, 2021 - Elsevier
The compositions of mantle-derived magmas indicate a substantial variety in the
abundances of volatiles in the upper mantle. CO 2 and H 2 O depress the melting point of …

Evaluating the formation pressure of diamond‐hosted majoritic garnets: A machine learning majorite barometer

AR Thomson, SC Kohn, A Prabhu… - Journal of Geophysical …, 2021 - Wiley Online Library
Diamond‐hosted majoritic garnet inclusions provide unique insights into the Earth's deep,
and otherwise inaccessible, mantle. Compared with other types of mineral inclusions found …

Speciation and solubility of reduced C–O–H–N volatiles in mafic melt: Implications for volcanism, atmospheric evolution, and deep volatile cycles in the terrestrial …

LS Armstrong, MM Hirschmann, BD Stanley… - … et Cosmochimica Acta, 2015 - Elsevier
Using vibrational spectroscopy and SIMS, we determined the solubility and speciation of C–
O–H–N dissolved volatiles in mafic glasses quenched from high pressure under reduced …

Evidence for oxygen-conserving diamond formation in redox-buffered subducted oceanic crust sampled as eclogite

S Aulbach, T Stachel - Nature Communications, 2022 - nature.com
Cratonic eclogite is the product of oceanic crust subduction into the subcontinental
lithospheric mantle, and it also is a fertile diamond source rock. In contrast to matrix minerals …

Petrology and Nd–Hf isotope geochemistry of the Neoproterozoic Amon kimberlite sills, Baffin Island (Canada): evidence for deep mantle magmatic activity linked to …

S Tappe, BA Kjarsgaard, S Kurszlaukis… - Journal of …, 2014 - academic.oup.com
Abstract The c. 673 Ma (U–Pb rutile) Amon kimberlites located in northern Baffin Island
intruded Late Archean basement rocks of the Rae craton as a subhorizontal sill complex …