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Gemstones, Minerals & Fossils
Gemstones and Minerals
Rock Nerd Needed..
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<blockquote data-quote="shivan" data-source="post: 108135" data-attributes="member: 194"><p>Yea, was more wondering if there were grains or crystals visable. The first two photos look a bit like a quartz sandstone, i may be off the mark but would make a bit of sense if if is a bit more resistant to erosion than the rock around it. </p><p>I believe shale is a type of mudstone that easily splits into thin layers, slate can form from shale or other mud/siltstonethat has been metamorphosed till the minerals are foliated and show "slaty" cleavage.</p><p>If tin was mined in the area keep an eye out for cassiterite along quartz veins.</p><p></p><p>Hopefully someone else will have a better idea <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p></blockquote><p></p>
[QUOTE="shivan, post: 108135, member: 194"] Yea, was more wondering if there were grains or crystals visable. The first two photos look a bit like a quartz sandstone, i may be off the mark but would make a bit of sense if if is a bit more resistant to erosion than the rock around it. I believe shale is a type of mudstone that easily splits into thin layers, slate can form from shale or other mud/siltstonethat has been metamorphosed till the minerals are foliated and show "slaty" cleavage. If tin was mined in the area keep an eye out for cassiterite along quartz veins. Hopefully someone else will have a better idea ;) [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Rock Nerd Needed..
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