GB/T 46420-2025

Active

(U-Th)/He isotope determination and age calculation method of apatite and zircon

磷灰石和锆石铀、钍、氦同位素测定与年龄计算方法

Standard Type
GBT
ICS
75.010
CCS
E11
Status
Active
Issue Date
2025-10-05
Implementation
2026-05-01
Centralized Committee
国家标准委
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard specifies the analytical procedures for measuring uranium, thorium, and helium isotopes in apatite and zircon minerals, along with the corresponding age calculation methods. It is applied in geological and petroleum exploration contexts to determine the thermal history and burial evolution of sedimentary basins, aiding in hydrocarbon maturation assessments. The standard ensures consistent and reliable thermochronology data for evaluating source rock potential and reservoir conditions.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.