Fluid-Induced Inhomogeneous Cr-spinel in Dunite and Wehrlite from the Duke Island Complex, Southeastern Alaska
Abstract
:1. Introduction
2. Geological Setting and Sample Descriptions
2.1. Geological Setting
2.2. Petrography of Dunite and Wehrlite from the Duke Island Complex
3. Analytical Methods
4. Structures and Chemical Compositions of Cr-Spinel
4.1. Homogeneous Type A Cr-Spinel
4.2. Inhomogeneous Type B Cr-Spinel
4.3. Altered Type C Cr-Spinel
5. Discussion
5.1. Effect of Post-Magmatic Alteration on Cr-Spinel
5.2. Oxidized Fluid Activity in the Formation of Unmixed Cr-Spinel
5.3. Controlling Factors of Cr-Spinel Unmixing
6. Conclusions and Implications
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Luo, Y.; Su, B.-X.; Thakurta, J.; Xiao, Y.; Bai, Y. Fluid-Induced Inhomogeneous Cr-spinel in Dunite and Wehrlite from the Duke Island Complex, Southeastern Alaska. Minerals 2022, 12, 717. https://doi.org/10.3390/min12060717
Luo Y, Su B-X, Thakurta J, Xiao Y, Bai Y. Fluid-Induced Inhomogeneous Cr-spinel in Dunite and Wehrlite from the Duke Island Complex, Southeastern Alaska. Minerals. 2022; 12(6):717. https://doi.org/10.3390/min12060717
Chicago/Turabian StyleLuo, Yang, Ben-Xun Su, Joyashish Thakurta, Yan Xiao, and Yang Bai. 2022. "Fluid-Induced Inhomogeneous Cr-spinel in Dunite and Wehrlite from the Duke Island Complex, Southeastern Alaska" Minerals 12, no. 6: 717. https://doi.org/10.3390/min12060717