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Gold Prospecting
Gold localities & information
Loaming in 2022 (Victoria) - Roadside soil sampling Central Goldfields Shire Victoria
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<blockquote data-quote="user 4386" data-source="post: 647726" data-attributes="member: 4386"><p>I don't think anyone would just use loose stuff, And one is often looking for more than simply undisturbed soil to sample - commonly an iron-rich orange layer just above that. Things like arsenic (a ggod indicator for gold) gets greatly enriched where there is iron. And you are usually trying to work this out with a hand auger, so you are not in a trench where you can see the relationship between layers - just trying to work it out based on what comes up on the auger blades. Because your samples are also spaced, even solil brought up in a fence-post hole can give a false positive or negative. And because of your sample spacing (often 100 m or 200 m between samples on regional lines), one false sample influences a significant length of line - perhaps the width of an orebody.</p><p>I steer clear of such roads.</p></blockquote><p></p>
[QUOTE="user 4386, post: 647726, member: 4386"] I don't think anyone would just use loose stuff, And one is often looking for more than simply undisturbed soil to sample - commonly an iron-rich orange layer just above that. Things like arsenic (a ggod indicator for gold) gets greatly enriched where there is iron. And you are usually trying to work this out with a hand auger, so you are not in a trench where you can see the relationship between layers - just trying to work it out based on what comes up on the auger blades. Because your samples are also spaced, even solil brought up in a fence-post hole can give a false positive or negative. And because of your sample spacing (often 100 m or 200 m between samples on regional lines), one false sample influences a significant length of line - perhaps the width of an orebody. I steer clear of such roads. [/QUOTE]
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Gold Prospecting
Gold localities & information
Loaming in 2022 (Victoria) - Roadside soil sampling Central Goldfields Shire Victoria
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