A Cenozoic Record of Deep Oceanic Zn Isotopic Composition in Ferromanganese Crusts

M Zhao, N Planavsky, X Wang, Y Zhang… - American Journal of …, 2023 - ajsonline.org
Water plays a critical role in erosion and sediment transport and this relationship is most
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …

Community‐derived standards for LA‐ICP‐MS U‐(Th‐) Pb geochronology–Uncertainty propagation, age interpretation and data reporting

MSA Horstwood, J Košler, G Gehrels… - Geostandards and …, 2016 - Wiley Online Library
The LA‐ICP‐MS U‐(Th‐) Pb geochronology international community has defined new
standards for the determination of U‐(Th‐) Pb ages. A new workflow defines the appropriate …

Earth's earliest granitoids are crystal-rich magma reservoirs tapped by silicic eruptions

O Laurent, J Björnsen, JF Wotzlaw, S Bretscher… - Nature …, 2020 - nature.com
Granitoids of the tonalite–trondhjemite–granodiorite (TTG) series dominate Earth's earliest
continental crust. The geochemical diversity of TTGs is ascribed to several possible …

Deglaciation of northwestern Greenland during marine isotope stage 11

AJ Christ, TM Rittenour, PR Bierman, BA Keisling… - Science, 2023 - science.org
Past interglacial climates with smaller ice sheets offer analogs for ice sheet response to
future warming and contributions to sea level rise; however, well-dated geologic records …

U–Pb LA–ICPMS dating using accessory mineral standards with variable common Pb

DM Chew, JA Petrus, BS Kamber - Chemical Geology, 2014 - Elsevier
Precise and accurate U–Pb LA–ICPMS dating of many U-bearing accessory minerals (eg
apatite, allanite, titanite and rutile) is often compromised by common Pb. LA–ICPMS dating …

Detrital zircon U–Pb geochronology and geochemistry of the Riachuelos and Palma Sola beach sediments, Veracruz State, Gulf of Mexico: A new insight on …

JS Armstrong-Altrin - Journal of Palaeogeography, 2020 - Springer
Zircons are abundant in the beach sediments. In this study, surface microtexture,
mineralogy, bulk sediment geochemistry, trace element composition and U–Pb isotopic …

[HTML][HTML] Hydrothermal rutile U-Pb dating of gold mineralization in the Jiangnan Orogen: A case study of the Hengjiangchong gold deposit in northeastern Hunan

Y Zhan, Y Shao, Q Liu, X Zhang, M Chen, Y Lu… - Ore Geology …, 2022 - Elsevier
Abstract The Jiangnan Orogen is a well-known gold belt in China with a large number of
gold deposits. The Jiangnan Orogen has complex geological history, and most gold …

Temperate rainforests near the South Pole during peak Cretaceous warmth

JP Klages, U Salzmann, T Bickert, CD Hillenbrand… - Nature, 2020 - nature.com
The mid-Cretaceous period was one of the warmest intervals of the past 140 million years,,,–
, driven by atmospheric carbon dioxide levels of around 1,000 parts per million by volume. In …

U-Pb geochronology of grossular-andradite garnet

S Seman, DF Stockli, NM McLean - Chemical Geology, 2017 - Elsevier
This study presents a new laser ablation-inductively coupled plasma mass spectrometry (LA-
ICPMS) based U-Pb geochronometric method for dating grossular-andradite (grandite) …

High temperature (> 350 C) thermochronology and mechanisms of Pb loss in apatite

R Cochrane, RA Spikings, D Chew, JF Wotzlaw… - … et Cosmochimica Acta, 2014 - Elsevier
Natural processes driven by heat flow can be understood using quantitative reconstruction
of the thermal history of accessory and common minerals that were formed or modified in …