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Gemstones, Minerals & Fossils
Gemstones and Minerals
Rock Nerd Needed..
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<blockquote data-quote="RedDirtDigger" data-source="post: 113582" data-attributes="member: 2964"><p>I,m with Araluen its definitely a clay/silt rich rock that has been metamorphosed by pressure and a little heat. The outcrop and fracture pattern of the rock indicates that the thin bed is dipping near vertical and has been through the pressure mill and intense folding that is common in the Lachlan Fold Belt. The beds you see sticking up are slightly tougher and erosion resistant compared to the adjacent beds and hence they stick up.</p><p>RDD</p></blockquote><p></p>
[QUOTE="RedDirtDigger, post: 113582, member: 2964"] I,m with Araluen its definitely a clay/silt rich rock that has been metamorphosed by pressure and a little heat. The outcrop and fracture pattern of the rock indicates that the thin bed is dipping near vertical and has been through the pressure mill and intense folding that is common in the Lachlan Fold Belt. The beds you see sticking up are slightly tougher and erosion resistant compared to the adjacent beds and hence they stick up. RDD [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Rock Nerd Needed..
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