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Edmund J Longyear drilled the first diamond core hole in the Mesabi Iron Range shown above in 1903 in northern Minnesota Shortly thereafter he formed a contract diamond drilling company to serve the rapidly growing U S iron ore mining and steel industry Photo source Public Domain Flexible shafts in drilling

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Jul 25 2013 Rationale The purpose of drilling is to confirm if anomalies in data are real and provide further evidence of a concealed ore deposit Anomalies

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Further exploration near the deposit and further development drilling within the deposit In addition the process of mining commonly exposes ore to more rapid

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Blast hole drilling This is the process of drilling a hole into the rock and packing it with explosives in order to loosen the rock and make the ore suitable for excavation Blast hole drilling

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Let s talk about drilling geometry optimization mineralization intersection geometry and structural vectoring as important drivers to mineral target development Adding an orientation vector to the sample location is a very useful thing assuming you have the ability to do so Indeed XYZGV is a strong predictor of ore continuity and shape

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