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Treasure Hunting
Finds Identification and Valuation
Anyone know what this is?
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<blockquote data-quote="user 4386" data-source="post: 416302" data-attributes="member: 4386"><p><a href="http://1.bp.blogspot.com/-LYZTCyjPwgI/TZ4QOiuGmbI/AAAAAAAAAY8/vJ91HjDkyL0/s1600/llumeres5.jpg" target="_blank">http://1.bp.blogspot.com/-LYZTCyjPwgI/TZ4QOiuGmbI/AAAAAAAAAY8/vJ91HjDkyL0/s1600/llumeres5.jpg</a></p><p></p><p><a href="http://www.rci.rutgers.edu/~schlisch/structureslides/apcleavage.gif" target="_blank">http://www.rci.rutgers.edu/~schlisch/structureslides/apcleavage.gif</a></p><p></p><p>axial planar cleavage is planar and occurs parallel to the axial surface of the fold (parallel to a plane that folds the two fold limbs in two). Where slate and sandstone is folded together (imagine folding a magazine and its thick cover so that it is a tight V shape), the cleavage is often only visible in the slate (the pages), not the sandstone (the thicker cover). It is usually easy to split the rock along the parallel planes of cleavage in the slate part.</p><p> of the core of the fold.</p></blockquote><p></p>
[QUOTE="user 4386, post: 416302, member: 4386"] [url]http://1.bp.blogspot.com/-LYZTCyjPwgI/TZ4QOiuGmbI/AAAAAAAAAY8/vJ91HjDkyL0/s1600/llumeres5.jpg[/url] [url]http://www.rci.rutgers.edu/~schlisch/structureslides/apcleavage.gif[/url] axial planar cleavage is planar and occurs parallel to the axial surface of the fold (parallel to a plane that folds the two fold limbs in two). Where slate and sandstone is folded together (imagine folding a magazine and its thick cover so that it is a tight V shape), the cleavage is often only visible in the slate (the pages), not the sandstone (the thicker cover). It is usually easy to split the rock along the parallel planes of cleavage in the slate part. of the core of the fold. [/QUOTE]
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Treasure Hunting
Finds Identification and Valuation
Anyone know what this is?
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