



































معادن و اکتشاف طلا در حال حاضر هم اکنون نیز اکتشاف و استخراج طلا بطور گسترده در دنیا ادامه دارد بطوریکه در معدن طلا یی در آفریقای جنوبی استخراج ۴۰۰۰ متر زیر زمین انجام می شود. استخراج معدن طلا ادر برخی موارد امری پر هزینه و پیچیده است بطوریکه اگرچه بزرگترین معدن دنیا در استرالیا واقع است، اما بیشترین حجم استخراج از معدنی در اندونزی انجام می گیرد.























یک پیام ارسال کرد