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Showing results for tags 'mineralised'.
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I recently purchase this from a seller who claimed it was fossil wood from India, have you guys heard of Indian fossil wood and it more looks like some type of palm, maybe calamities, but I’m not really sure thanks for looking note how mineralised it is I don’t know what it is though as it is very heavy
Hi, Recently been shown a couple of mineralised, silicified?? ( hardness 6.5 ), fossils that are a bit unusual and might be of interest. They were found in alluvial gravel at Tomahawk Creek, near Rubyvale, Queensland. I have been unable to access Geological Map ( Emerald SF 55-15 ?? ) on line, any directions, link or geological info ( formation, age) would be appreciated. I believe Rubyvale lies in the Bowan Basin, which is late Permian, about 255Ma. The first one appears to be Plumsteadia, a Glossopterid fruit. The seeds have been shed, leaving small recesses where they were attached. "Fruits consist of a receptacle or core with seeds attached to it (all around it, if it is spherical or cylindrical; possibly only to one side in examples where there has been a flattening and fusion of parts). ( Mary White, 1988, Australia's Fossil Plants ) The second looks very much like a section of Vertebraria, Glossopterid root. "...show a segmented structure when fossilised. They look much like vertebral columns , or backbones...... The structure is believed to be an adaptation for aeration of tissues, necessary in the waterlogged habitats of swamps." ( Mary White, 1988, Australia's Fossil Plants ) Cheers, Mike