3D geochemical characteristics and prospecting significance of the Structural Alteration Body in the Lannigou Carlin-type gold deposit, Southwest Guizhou, China

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Key Points

The study aims to explore the geochemical and structural characteristics of the Lannigou Carlin-type gold deposit, focusing on the mineralization potential of the Structural Alteration Body (SBT).
Conducted core logging and 3D modeling to identify hydrothermal alteration zones.
Performed geochemical analysis on mineralization indicators such as Au, As, Hg, and Sb.
Mapped the distribution of ore-related elements within the SBT.
SBT exhibits high enrichment coefficients for Au (138), As (143), Hg (38.6), and Sb (17.0).
Geochemical modeling shows a significant layer sequence from Cd to Hg, indicating stratified mineralization.
The study proposes that SBT connects deep faults and shallow inclined structures, crucial for gold mineralization in the region.

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Identifies significant mineralization patterns in the Lannigou gold deposit, suggesting new exploration strategies.

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Tan et al. (2026) studied this question.

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