Supplementary Material for Early cements in ammonites as seawater U-Pb and 87Sr/86Sr archives to constrain oceanic anoxic events in the Earth’s history

2026 Open access

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Authors: Diego Alejandro Sierra Bermúdez, Sharon Yulieth Gamarra Caicedo, Cesar Eduardo Herrera Quintero, Müller Marius Nils, Marcel Guillong, Rolando E. Clavijo Arcos
DOI: 10.3929/ethz-c-000792155
Cited by: 0

Abstract

1.1 Sample preparation and petrographic analysis 1.2 In-situ U-Pb and Sr analysis 1.3 Compositional Maps using EPMA (Electron Probe Microanalysis)

Fields of Study & Subjects

Paleontology and Stratigraphy of Fossils Geological and Geochemical Analysis Geochemistry and Elemental Analysis

Publication details

Publication date
11 January 2026
Language
EN