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- برای بیشتر طلایی که در حال حاضر تولید می شود از عملیات های تجاری استخراج «هاردراک» استفاده می شود. هاردراک ماینینگ به روشی برای استخراج طلا از صخره ها در عوض رسوبات اطلاق می شود. بیشتر معادنی که با این روش استخراج می شوند زیرزمینی یا روباز هستند. معدن زیرزمینی تونلی است که به منبع سنگ معدن حفر شده یا متصل شده است، در حالی که در معدن روباز جداسازی ی...
اکتشاف | کارند صدر جهان | معدن طلا شادان (اکتشاف ، استخراج و فرآوری)
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