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معدن طلای گراسبرگ در سال ۱۹۳۶ توسط یک زمین شناس هلندی در ارتفاعات دور افتاده رشته کوه سودیرمان؛ استان پایوآ اندونزی، کشف شد. به این معدن طلا، ارتسبرگ و یا کوه سنگ نیز می گویند. معدن طلای گراسبرگ دارای دو معدن عملیاتی گودال روباز گراسبرگ و معدن زیرزمینی است. این معدن برای نزدیک به ۳۰۰۰۰ هزار نفر اشتغال ایجاد کرده است. معدن گراسبرگ علاوه بر آن که جزو...
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یک پیام ارسال کرد