Petrogenesis and geodynamic significance of xenolithic eclogites
Kimberlite-borne xenolithic eclogites, typically occurring in or near cratons, have long been
recognized as remnants of Precambrian subducted oceanic crust that have undergone …
recognized as remnants of Precambrian subducted oceanic crust that have undergone …
[HTML][HTML] Subducted carbonates not required: Deep mantle melting explains stable Ca isotopes in kimberlite magmas
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 …
systems and for tracing the deep Earth carbon cycle. There are still many open questions …
Granite petrogenesis and the δ44Ca of continental crust
Stable Ca isotopes are an increasingly useful tool for understanding the sources and
processes leading to the formation of magmatic rocks, yet Ca isotope fractionation during …
processes leading to the formation of magmatic rocks, yet Ca isotope fractionation during …
Calcium isotope constraints on OIB and MORB petrogenesis: The importance of melt mixing
ZT Eriksen, SB Jacobsen - Earth and Planetary Science Letters, 2022 - Elsevier
Lithological and isotopic heterogeneity in the mantle archive the mantle's melting history and
fingerprint crustal recycling processes coupling the deep Earth with the terrestrial biosphere …
fingerprint crustal recycling processes coupling the deep Earth with the terrestrial biosphere …
[HTML][HTML] The magnesium isotopic composition of the mantle
In order to better constrain the Mg isotopic composition of the mantle, we have analysed
twenty-eight samples of both oceanic and continental peridotite using a high-precision …
twenty-eight samples of both oceanic and continental peridotite using a high-precision …
The potential of Ca isotopes to trace subducted marine carbonates in deep mantle
H Zhu, R Liao, L Du, Z Zhang - Journal of Oceanology and Limnology, 2024 - Springer
Marine carbonates, the major carrier of carbon upon the upper crust, can be subducted into
the Earth's interior along with oceanic crust, and then returned to the surface through …
the Earth's interior along with oceanic crust, and then returned to the surface through …
Light calcium isotope anomaly observed in continental basaltic lavas: A mixed signal of recycled carbonate and fractionation during melting
We present high-precision Ca isotopic data for 21 Cenozoic basaltic lavas from eastern
China to evaluate the potential of Ca isotopes as a tool to trace the recycling of surface …
China to evaluate the potential of Ca isotopes as a tool to trace the recycling of surface …
The factors controlling equilibrium inter-mineral Ca isotope fractionation: Insights from first-principles calculations
Equilibrium isotope fractionation factors are crucial to quantitatively interpreting Ca isotope
data of natural samples. Recent studies have revealed significant equilibrium Ca isotope …
data of natural samples. Recent studies have revealed significant equilibrium Ca isotope …
The evolution of the Galápagos mantle plume
The lavas associated with mantle plumes may sample domains throughout Earth's mantle
and probe its dynamics. However, plume studies are often only able to take snapshots in …
and probe its dynamics. However, plume studies are often only able to take snapshots in …
Calcium isotope compositions of subduction-related leucite-bearing rocks: Implications for the calcium isotope heterogeneity of the mantle and carbonate recycling in …
H Ren, M Casalini, S Conticelli, C Chen… - … et Cosmochimica Acta, 2024 - Elsevier
Large Ca isotope variations recorded in mantle xenoliths and mantle-derived igneous rocks
have been widely used to decode the origin of mantle heterogeneity, especially to trace …
have been widely used to decode the origin of mantle heterogeneity, especially to trace …