GX-5 Calcite: A New Matrix-Matched Reference Material for In-Situ LA-ICP-MS Carbonate U–Pb Geochronology

Lili Gui; Xuesong Lu; Liang-Liang Zhang; Lin Jiang; Weiyan Chen; Jianxin Zhao; Yuexing Feng; Shaobo Liu; Yang Xiao; Hua Jiang; Yusheng Yan; Xiaomei Wang

doi:10.1039/d6ja00056h

January 1, 2026Journal of Analytical Atomic Spectrometry

GX-5 Calcite: A New Matrix-Matched Reference Material for In-Situ LA-ICP-MS Carbonate U–Pb Geochronology

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Key Points

The aim is to introduce and evaluate GX-5 Calcite as a reference material for U–Pb dating of carbonates using laser ablation techniques.
Developed GX-5 Calcite as a matrix-matched reference material.
Conducted U–Pb dating experiments using laser ablation techniques.
Compared dating results with existing materials to assess accuracy.
GX-5 Calcite showed improved accuracy in U–Pb dating for carbonate materials.
The results indicate its suitability for resource exploration applications.

Implication

In-situ U–Pb dating using a new reference material improves accuracy in carbonate geochronology, indicating its potential for resource exploration.

Abstract

In-situ laser ablation U–Pb dating for carbonate minerals has emerged as an important technique, providing direct geochronological constraints for hydrocarbon and mineral resources exploration in recent advances in geochronology. Despite...

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Cite This Study

Gui et al. (2026) studied this question.

synapsesocial.com/papers/69db36c24fe01fead37c4c22 https://doi.org/10.1039/d6ja00056h

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GX-5 Calcite: A New Matrix-Matched Reference Material for In-Situ LA-ICP-MS Carbonate U–Pb Geochronology

Key Points

Implication

Abstract

Discussion

Cite This Study

GX-5 Calcite: A New Matrix-Matched Reference Material for In-Situ LA-ICP-MS Carbonate U–Pb Geochronology

Key Points

Implication

Abstract

Discussion

Cite This Study

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