underground mining - brave where seam scale faulting ubiquitous. Also what extra technical work has been completed specifically for underground. Its an entire different paradigm to exploration and analysis for open cut.
Wonder if they cemented the old exploration holes?
Any geotech on roof /floor for underground as its usually not relevant for open cut
Any hydrogeology?
Any subsidence analysis and impacts on surface hydrogeology
I would refer to MERGE mining that was listed on HK.it went ahead underground mining without all the above studies and to no one’s surprise ended in tears.
If such significant technical work has been completed then what has it not been disclosed?
If it hasn’t been complete du then underground is just smoke and mirrors
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