Detecting and quantifying palaeoseasonality in stalagmites using geochemical and modelling approaches

JUL Baldini, FA Lechleitner, SFM Breitenbach… - Quaternary science …, 2021 - Elsevier
Stalagmites are an extraordinarily powerful resource for the reconstruction of climatological
palaeoseasonality. Here, we provide a review of different types of seasonality preserved by …

Hadean age for a post-magma-ocean zircon confirmed by atom-probe tomography

JW Valley, AJ Cavosie, T Ushikubo, DA Reinhard… - Nature …, 2014 - nature.com
The only physical evidence from the earliest phases of Earth's evolution comes from zircons,
ancient mineral grains that can be dated using the U–Th–Pb geochronometer. Oxygen …

Triple oxygen isotope measurements by multi-collector secondary ion mass spectrometry

N Bouden, J Villeneuve, Y Marrocchi… - Frontiers in Earth …, 2021 - frontiersin.org
Secondary ion mass spectrometry (SIMS) is a powerful technique for in situ triple oxygen
isotope measurements that has been used for more than 30 years. Since pioneering works …

Evidence for primordial water in Earth's deep mantle

LJ Hallis, GR Huss, K Nagashima, GJ Taylor… - Science, 2015 - science.org
The hydrogen-isotope [deuterium/hydrogen (D/H)] ratio of Earth can be used to constrain the
origin of its water. However, the most accessible reservoir, Earth's oceans, may no longer …

Primordial oxygen isotope reservoirs of the solar nebula recorded in chondrules in Acfer 094 carbonaceous chondrite

T Ushikubo, M Kimura, NT Kita, JW Valley - Geochimica et Cosmochimica …, 2012 - Elsevier
Highly precise and accurate ion microprobe analyses of oxygen three-isotope ratios in
chondrules from the Acfer 094, one of the most primitive carbonaceous chondrites, show that …

Destabilization of long‐lived Hadean protocrust and the onset of pervasive hydrous melting at 3.8 Ga

N Drabon, BL Byerly, GR Byerly, JL Wooden… - AGU …, 2022 - Wiley Online Library
The nature of Earth's earliest crust and crustal processes remain unresolved questions in
Precambrian geology. While some hypotheses suggest that plate tectonics began in the …

High precision SIMS oxygen three isotope study of chondrules in LL3 chondrites: Role of ambient gas during chondrule formation

NT Kita, H Nagahara, S Tachibana, S Tomomura… - … et Cosmochimica Acta, 2010 - Elsevier
We report high precision SIMS oxygen three isotope analyses of 36 chondrules from some
of the least equilibrated LL3 chondrites, and find systematic variations in oxygen isotope …

Presidential Address. Nano-and micro-geochronology in Hadean and Archean zircons by atom-probe tomography and SIMS: New tools for old minerals

JW Valley, DA Reinhard, AJ Cavosie… - American …, 2015 - degruyter.com
Atom-probe tomography (APT) and secondary ion mass spectrometry (SIMS) provide
complementary in situ element and isotope data in minerals such as zircon. SIMS measures …

Influence of radiation damage on Late Jurassic zircon from southern China: Evidence from in situ measurements of oxygen isotopes, laser Raman, U–Pb ages, and …

XL Wang, MA Coble, JW Valley, XJ Shu, K Kitajima… - Chemical …, 2014 - Elsevier
The influence of radiation damage on chemical alteration and in situ elemental and isotopic
analyses in zircons is evaluated in three~ 155 Ma granites that are associated with W–Sn …

Questioning the biogenicity of Neoproterozoic superheavy pyrite by SIMS

H Cui, K Kitajima, MJ Spicuzza, JH Fournelle… - American …, 2018 - degruyter.com
The Neoproterozoic sulfur isotope (δ34S) record is characterized by anomalously high
δ34Spyrite values. Many δ34Spyrite values are higher than the contemporaneous …