THE COPPER-GOLD VEIN DEPOSIT OF KIVIMAA AT TERVOLA, N-FINLAND

The copper-gold vein deposit of Kivimaa at Tervola, N-Finland

The Kivimaa ore vein in Northern Finland is located in a shear zone in a folded greenstone bed.The vein is c.350 metres in pale pink sns length and varies from 1 to 6 metres in thickness.The central and most mineralized part of the vein was mined in 1969, c.18 000 t of ore were produced averaging 1.2 % Cu and 2 g/t Au.Coarse-grained calcite and qua

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A Novel DV-Hop Localization Method Based on Hybrid Improved Weighted Hyperbolic Strategy and Proportional Integral Derivative Search Algorithm

As a range-free localization algorithm, DV-Hop has gained widespread attention due to its advantages of simplicity and ease of implementation.However, this algorithm also has some defects, such as poor localization accuracy and vulnerability to network topology.This paper presents a comprehensive analysis of the factors contributing to the inaccura

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