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Gold Prospecting
Hard Rock Gold Prospecting
Gold ore crushing & sampling video
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<blockquote data-quote="jethro" data-source="post: 207740" data-attributes="member: 1297"><p>Hi Shivan, AR & Bazz.</p><p></p><p>Shivan, 90% of my prospecting is done in the group of rocks contained within the omeo metamophic complex, which is characterised by high sulphide content lodes containing gold in association with sulpides ie very fine gold. Ive found over the yrs that the ore needs to be ground very fine to release the gold. So im guessing that a 4 kilo sample would take about an hr to process completely through that setup to the point where i can roughly estimate gold content.</p><p></p><p>Hey AR yeah the mask is a must when dealing with rock dust especially mineralized rock. The glasses are also safety as I keep hitting my fingers without them, getting olds a beach. No havent tried a cyclone but I need to add a high volume water pulse under the screen in the classifier. 'The screen in the end of the rod mill is the same size as that used to sift the primary crushings in the first vid. The screen half way down the gravity classifier is also of the same material.</p><p></p><p>Bazz keep working that dolly mate I did that for a lot of yrs. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p></blockquote><p></p>
[QUOTE="jethro, post: 207740, member: 1297"] Hi Shivan, AR & Bazz. Shivan, 90% of my prospecting is done in the group of rocks contained within the omeo metamophic complex, which is characterised by high sulphide content lodes containing gold in association with sulpides ie very fine gold. Ive found over the yrs that the ore needs to be ground very fine to release the gold. So im guessing that a 4 kilo sample would take about an hr to process completely through that setup to the point where i can roughly estimate gold content. Hey AR yeah the mask is a must when dealing with rock dust especially mineralized rock. The glasses are also safety as I keep hitting my fingers without them, getting olds a beach. No havent tried a cyclone but I need to add a high volume water pulse under the screen in the classifier. 'The screen in the end of the rod mill is the same size as that used to sift the primary crushings in the first vid. The screen half way down the gravity classifier is also of the same material. Bazz keep working that dolly mate I did that for a lot of yrs. :rolleyes: [/QUOTE]
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Gold Prospecting
Hard Rock Gold Prospecting
Gold ore crushing & sampling video
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