Queensland
Events
Calendar of Events
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Overview This presentation describes the processes used in the investigations for a deep compressed air storage cavern in a complex metamorphic environment. The exploration process involved drilling using HQ-3 coring techniques from surface and also from an adjacent underground mine. The latter were two 460 m boreholes drilled just sub horizontally across the planned cavern ... |
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Overview Hydrothermal veins are often overlooked or misinterpreted within deep, heterogeneous rock masses, yet their behaviour can dramatically influence tunnelling outcomes. In his award winning 2025 David Sugden Award paper, Yosafat Sinaga reveals how these vein systems are frequently mistaken for open joints, leading to inaccurate geological models and flawed design assumptions. This session will ... |
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