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Gemstones, Minerals & Fossils
Gemstones and Minerals
Chalcedonized petrifed wood from volcanic area
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<blockquote data-quote="Lefty" data-source="post: 288695" data-attributes="member: 2976"><p>Cheers Goldirocks.</p><p></p><p>So if pet wood is filled with chalcedony/agate then it should be a reasonable suspicion volcanics were involved in the process? As I said, I have a couple of bits from non-volcanic areas and they just don't look or even feel the same. Sounds like a bit of a silly thing to say but I don't think they even <em>sound</em> the same - the stuff from Riverslea makes a sound something like two glass marbles clacking together when you do that (better go and check that again). Problem is (not a problem per se) that the volcanically-derived area in the north-east covers so much ground that it's pretty much all I ever see, I do a lot of fossicking but haven't fossicked as far and wide as you . It's almost hard for me to imagine a landscape without volcanic plugs and granite mountain ranges somewhere in the distance.</p><p></p><p>I even found a small piece of agate at work in Gladstone, one side was the bubbly agate nodule look, the other was a bunch of small quartz crystals. I saw it when the crystals flashed in the sun as I drove over it with the tractor and the wheel pulled it up out of the ground. It seems to have been in the native soil, not brought in - I found a line of almost completely buried granite boulders running through the spot and up the hill side. Possibly related to the Mount Larcom volcanics which overlook Gladstone. Dunno.</p><p></p><p></p><p></p><p>The Anakie field makes the same claim but whichever is correct doesn't matter <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p>All very interesting stuff and I'd like to keep picking your brains <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p>Cheers</p></blockquote><p></p>
[QUOTE="Lefty, post: 288695, member: 2976"] Cheers Goldirocks. So if pet wood is filled with chalcedony/agate then it should be a reasonable suspicion volcanics were involved in the process? As I said, I have a couple of bits from non-volcanic areas and they just don't look or even feel the same. Sounds like a bit of a silly thing to say but I don't think they even [i]sound[/i] the same - the stuff from Riverslea makes a sound something like two glass marbles clacking together when you do that (better go and check that again). Problem is (not a problem per se) that the volcanically-derived area in the north-east covers so much ground that it's pretty much all I ever see, I do a lot of fossicking but haven't fossicked as far and wide as you . It's almost hard for me to imagine a landscape without volcanic plugs and granite mountain ranges somewhere in the distance. I even found a small piece of agate at work in Gladstone, one side was the bubbly agate nodule look, the other was a bunch of small quartz crystals. I saw it when the crystals flashed in the sun as I drove over it with the tractor and the wheel pulled it up out of the ground. It seems to have been in the native soil, not brought in - I found a line of almost completely buried granite boulders running through the spot and up the hill side. Possibly related to the Mount Larcom volcanics which overlook Gladstone. Dunno. The Anakie field makes the same claim but whichever is correct doesn't matter :) All very interesting stuff and I'd like to keep picking your brains :) Cheers [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Chalcedonized petrifed wood from volcanic area
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