Genesis and evolution of kimberlites

A Giuliani, MW Schmidt, TH Torsvik… - Nature Reviews Earth & …, 2023 - nature.com
Kimberlites are volcanic rocks enriched in CO2 and H2O and derive from the deepest-
sourced melts (up to 300 km) that reach Earth's surface. The mantle processes that generate …

[HTML][HTML] Subducted carbonates not required: Deep mantle melting explains stable Ca isotopes in kimberlite magmas

MA Antonelli, A Giuliani, Z Wang, M Wang… - … et Cosmochimica Acta, 2023 - Elsevier
Ca isotope geochemistry has great potential for improving our understanding of magmatic
systems and for tracing the deep Earth carbon cycle. There are still many open questions …

Perturbation of the deep-Earth carbon cycle in response to the Cambrian Explosion

A Giuliani, RN Drysdale, JD Woodhead… - Science …, 2022 - science.org
Earth's carbon cycle is strongly influenced by subduction of sedimentary material into the
mantle. The composition of the sedimentary subduction flux has changed considerably over …

The stable isotope character of the Earth's mantle–A review

DA Ionov, J Hoefs, R Harmon - Chemical Geology, 2024 - Elsevier
This review describes the stable isotope character of the Earth's mantle, the 2900 km thick
silicate layer between the core and crust that comprises 67% of the Earth's mass and 84% of …

Geodynamic and isotopic constraints on the genesis of kimberlites, lamproites and related magmas from the Finnish segment of the Karelian craton

H Dalton, A Giuliani, J Hergt, D Phillips… - Geochemistry …, 2022 - Wiley Online Library
Despite the scientific and economic significance of kimberlites and related magmas, their
origin is unclear. Here, we address this issue using whole‐rock and perovskite‐derived Sr …

Primordial neon and the deep mantle origin of kimberlites

A Giuliani, M Kurz, P Barry, J Curtice, F Stuart, S Oesch… - 2024 - researchsquare.com
The genesis of kimberlites–Earth's deepest-derived melts–remains an unresolved question
despite the economic and scientific interest surrounding these diamond-bearing continental …