the value of the free copper gold and silver in a copper concentrates for a copper smelter is depending on the recovery rate lme copper price and lmba gold and silver price. in this example the recovery rate for a copper smelter is 98.0%. the value of free gold and silver is normally greater than the value of the free metal for copper.
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for its minerals. it is important to note that our gold/copper/silver concentrates are already a highly processed and beneficiated product. whilst the smelters do charge to process our concentrate on average for the contract terms that we have agreed with the overseas smelters we receive 97% of the total value of gold silver and copper.
acacia operates three gold mines in tanzania: bulyanhulu gold mine buzwagi gold mine and north mara gold mine. due to the rock formations at bulyanhulu and buzwagi the mines produce both gold/silver bars (doré) and a concentrate (“makinikia” not “mchanga”) which contains gold silver and copper.
this revolutionizes the way people gather resources. instead of having to dig huge mines they could just seed an area with tiberium and after a while all the metals in the ground iron copper silver gold etc. will be leeched from the earth and conveniently put into tiberium crystals that people can just pick up with a harvester.
one prevalent form of copper concentrate contains gold and silver like the one produced by bougainville copper limited from the panguna mine from the early 1970s to the late 1980s. the typical contract for a miner is denominated against the london metal exchange price minus the tc-rcs and any applicable penalties or credits.
mineral concentrate marketing – treatment charges & penalties from the above explanation of the effect of the various constituents of ores on smelter practice one can readily see that the maximum return is obtained when lead copper or zinc concentrates are shipped to the respective plants which specialize in their treatment. for example if you ship a lead-copper concentrate to a lead
interview: alex wiley creator of the gold macbook. in october 2007 an outfit called computer choppers gave us the 24-karat gold-plated macbook pro (15-inch) complete with diamond-studded apple logo.
do i need a pre-determined amount of copper silver gold to buy stuff on the item purchasing screens i am seeing 3 columns of values. do the columns simply represent how much of each i need in order to purchase the item like the amounts aren't added together or anything but are distinct in value.