ISO/NP 25709

Natural gas — Upstream area — Laser ablation U-Pb isotope dating method for measurement of age of Carbonate, Zircon and Apatite

Scope

This document specifies the sample collection and preparation, experimental conditions, sample testing, age calculation, and mass requirements for uranium-lead isotope age determination of carbonate minerals, zircon, and apatite. It is applicable to the uranium-lead isotope dating of carbonate minerals, zircon, and apatite.