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Showing results for tags 'trent river formation'.
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Hi Everyone, I was hoping that someone is good with odd bivalves here. I was searching around my favourite spot at Northwest Bay in the Nanaimo Group of Vancouver Island Canada. One of the spots is in a layer of very soft shale that erodes out onto the beach. I undercovered this fossil which I initially assumed was a pocket of young Inoceramus vancouverensis. This is very common in the Nanaimo Group, but not at this location. As I looked further I noticed elongated material that had a thin shell coating under the bivalve shells, Then I noticed the layer of coalified material between the shell and thin layer of shelly material. Could this be Martesia, the shipworm? As the fossil material is very flattened it takes a bit of imagination to figure out its shape in 3 D. Any help would be great!
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- british columbia
- cretaceous
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Hello all, I recently collected this interesting permineralized fruit from the Browns River on Vancouver Island, B.C. This river exposes outcrops of the lower Trent River formation of the Nanaimo Group, which represents a relatively nearshore Campanian marine environment. The fossil itself was found in an outcrop of fairly poorly consolidated sandstone, which also contained large pieces of coalified wood debris and a poorly preserved, crushed ammonite. I'm not particularly optimistic about getting a positive ID on this, but I am interested to see what others think about it, and would definitely appreciate some educated suggestions about a possible affinity. As far as I'm aware, fossil fruits from the Nanaimo Group are quite rare, so I would also be interested to know if anything similar to this has been found before or not. (Fossil is ~1.5cm long, the angle it's photographed at isn't completely flat). Front (note the longitudinal groove): Rear (this end is partially eroded away, presumably because it was the part sticking out of the rock): Top (note the round scar of the hilum): Bottom: Surface texture: Thanks for your attention! @Wrangellian@fossisle
- 7 replies
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- british columbia
- browns river
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