kandungan di freeport adalah 55 ppm (55 mg / kg) kalau dikeruk 300.000 ton per day 300.000.000 kg x 0,00055 kg = 16.500 kg/day x 360 day/year =5940000 = 5.940 ton/tahun
itu produksi yang ada sekarang dan sudah berlangsung paling tidak 30 tahun dan akan masih berlangsung 20 tahun lagi ,
hoax ? coba cari data yg bener lagi On Tue, 17 Aug 2010, Anis Hariri wrote:
Jadi freeport punya cadangan emas terbesar cuma hoax? Mineral apa yang indonesia nomer satu? Nikel? Sent from my XL BlackBerry? -----Original Message----- From: irsal imran <[email protected]> Sender: [email protected]: Tue, 17 Aug 2010 13:30:21 To: <[email protected]> Reply-To: [email protected] Subject: [indonesia] Re: INDONESIA- Negara Terkaya di Dunia The USGS estimate of world gold reserves of 42,000 t was similar to 2006 According to the USGS, South Africa still has the world's largest reserve of gold at 6000 t (14.3%), similar to 2006. According to the USGS Australia has the second largest reserve with approximately 12% of the world's holdings. http://www.australianminesatlas.gov.au/aimr/commodity/gold.jsp ? salam, ? -Irsal ? --- On Tue, 8/17/10, irsal imran <[email protected]> wrote: From: irsal imran <[email protected]> Subject: [indonesia] Re: INDONESIA- Negara Terkaya di Dunia To: [email protected] Date: Tuesday, August 17, 2010, 1:13 PM ?
