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Gold Prospecting
Hard Rock Gold Prospecting
Rock Id
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<blockquote data-quote="mbasko" data-source="post: 217238" data-attributes="member: 4485"><p>Looks like a type of basalt to me. Some types of basalt will signal (sweetly) on a detector. Even though they seem to have a weak or no magnetism various types of basalt can have a high iron content - this is why the outer layer of an otherwise blackish rock is brown/rusty. </p><p>The iron content in different types of basalt & basalt in different areas can vary widely - this is why some signals & some doesn't; some areas are prone to high iron content basalt all over; some areas have a few that signal but most don't & other areas don't give much if any trouble at all.</p></blockquote><p></p>
[QUOTE="mbasko, post: 217238, member: 4485"] Looks like a type of basalt to me. Some types of basalt will signal (sweetly) on a detector. Even though they seem to have a weak or no magnetism various types of basalt can have a high iron content - this is why the outer layer of an otherwise blackish rock is brown/rusty. The iron content in different types of basalt & basalt in different areas can vary widely - this is why some signals & some doesn't; some areas are prone to high iron content basalt all over; some areas have a few that signal but most don't & other areas don't give much if any trouble at all. [/QUOTE]
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Gold Prospecting
Hard Rock Gold Prospecting
Rock Id
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