Mantle plumes and their role in Earth processes
The existence of mantle plumes was first proposed in the 1970s to explain intra-plate,
hotspot volcanism, yet owing to difficulties in resolving mantle upwellings with geophysical …
hotspot volcanism, yet owing to difficulties in resolving mantle upwellings with geophysical …
The evolving chronology of moon formation
LE Borg, RW Carlson - Annual Review of Earth and Planetary …, 2023 - annualreviews.org
Defining the age of the Moon has proven to be an elusive task because it requires reliably
dating lunar samples using radiometric isotopic systems that record fractionation of parent …
dating lunar samples using radiometric isotopic systems that record fractionation of parent …
Earth's evolving geodynamic regime recorded by titanium isotopes
Earth's mantle has a two-layered structure, with the upper and lower mantle domains
separated by a seismic discontinuity at about 660 km (refs.,). The extent of mass transfer …
separated by a seismic discontinuity at about 660 km (refs.,). The extent of mass transfer …
Anomalous 182W in high 3He/4He ocean island basalts: fingerprints of Earth's core?
Abstract The short-lived 182 Hf-182 W isotope system (t 1/2= 9 Ma) left evidence in both
ancient and modern terrestrial rock record of processes that took place during the earliest …
ancient and modern terrestrial rock record of processes that took place during the earliest …
Plumbing systems of large igneous provinces (LIPs) on Earth and Venus: Investigating the role of giant circumferential and radiating dyke swarms, coronae and novae …
KL Buchan, RE Ernst - Gondwana Research, 2021 - Elsevier
The flood basalts of large igneous provinces (LIPs) are fed by a vast and often complicated
plumbing system that can include giant dyke swarms, sill complexes, mid-to upper-crustal …
plumbing system that can include giant dyke swarms, sill complexes, mid-to upper-crustal …
The accretion of planet Earth
AN Halliday, RM Canup - Nature Reviews Earth & Environment, 2023 - nature.com
Earth's origins are challenging to elucidate, given the lack of surviving terrestrial geology
from the first 500 Myr of the Solar System. In this Review, we discuss breakthroughs in …
from the first 500 Myr of the Solar System. In this Review, we discuss breakthroughs in …
Ruthenium isotope vestige of Earth's pre-late-veneer mantle preserved in Archaean rocks
The accretion of volatile-rich material from the outer Solar System represents a crucial
prerequisite for Earth to develop oceans and become a habitable planet,,–. However, the …
prerequisite for Earth to develop oceans and become a habitable planet,,–. However, the …
Distinct formation history for deep-mantle domains reflected in geochemical differences
The Earth's mantle is currently divided into the African and Pacific domains, separated by the
circum-Pacific subduction girdle, and each domain features a large low shear-wave velocity …
circum-Pacific subduction girdle, and each domain features a large low shear-wave velocity …
The mercury isotopic composition of Earth's mantle and the use of mass independently fractionated Hg to test for recycled crust
The element mercury (Hg) can develop large mass‐independent fractionation
(MIF)(Δ199Hg) due to photo‐chemical reactions at Earth's surface. This results in globally …
(MIF)(Δ199Hg) due to photo‐chemical reactions at Earth's surface. This results in globally …
The diverse planetary ingassing/outgassing paths produced over billions of years of magmatic activity
The CHONS elements that constitute the outgassed atmosphere and exosphere have likely
been delivered by chondritic materials to the Earth during planetary accretion and …
been delivered by chondritic materials to the Earth during planetary accretion and …