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Fluid sources and evolution of early Oligocene Be-W deposits in the Mahuaping ore district, Western Yunnan
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DOI：10.1016/j.oregeorev.2026.107393.png)
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Abstract
En 中文
• Precise muscovite Rb-Sr dating constrains the Yinchangping mineralization at 29.5 ± 1.3 Ma, establishing a temporal link with the Mahuaping deposit. • Ore fluids originated from a deep concealed pluton, subsequently undergoing intensive water–rock interaction and mixing with metamorphic fluids. • The proximal Yinchangping and distal Mahuaping deposits likely represent spatially continuous products of the same deep-seated magmatic system at different evolutionary stages.
Keywords:
SanjiangTethyan
Be-W deposit
MuscoviteRb-Sr dating
Scheelite geochemistry
Water-rock interaction
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