calcareous slate
... 粉砂质板岩silt-slate 钙质板岩calc slate 碳质板岩carbonaceous slate ...
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寨上金矿区赋矿岩石主要为泥质、钙质、碳质板岩、粉砂岩等。
The host rocks of Zhaishang Au deposit are mainly argillic, calc and carbonaceous slates and silty sandstone.
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容矿岩石主要为钙质粉砂岩、粉砂质板岩。
The host rocks are mainly calcareous siltstone and silty slate.
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