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<p>[QUOTE=&quot;gxseries, post: 1095233, member: 4373&quot;]Like I mentioned, most silver mines around the world do not consider silver as the primary product unless there is a significant amount of it. Most mines will not mine just for silver alone and I cannot name one off my head. There&#039;s usually other minerals that come with silver .</p><p><br /></p><p>What&#039;s important is how viable it is to access the ore, how easy it is to extract the minerals, how profitable it is to mine and of course there&#039;s the environmental factor. There&#039;s no point talking about a mine that has an awful amount of minerals only to find extraction difficult due to let&#039;s say high amount of silica, sulfur etc which can be environmental damaging.</p><p><br /></p><p>I don&#039;t know any mines that use ppm to calculate their reserves - they are often calculated in terms of grams per ton. I don&#039;t look into silver mines but some gold mines if they have the right equipment and know where they are digging and blasting can go as low as 0.6 grams / tonnes with other minerals. Wouldn&#039;t be too surprised if you get up to just 5 grams / ton. Of course, an insane amount of energy is required to extract that amount of minerals. One mine in New South Wales is reputed to use 1% of the electricity and water of the ENTIRE state! </p><p><br /></p><p>All mines have different geological pattern, labour costs range from one country to another, legistations are written all kinds, different mining methods and so forth - its&#039; never easy to calculate any figures from any mines as a lot of the figures are confidential other than what&#039;s shown to the investors. Even so, you aren&#039;t going to see the ugly side unless a lawsuit appears.</p><p><br /></p><p>Simply put - if you want to help the environment, think twice before you use / buy something, reduce, and recycle where possible.[/QUOTE]</p><p><br /></p>

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