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Billy Devey posted an image in the group SoCal Paleo from the myFOSSIL app 4 years, 8 months ago
4 years, 8 months ago4 years, 8 months agoLooking for help on this. I’m new to actually hunting my own fossils. I found this while on a run in San Diego. If anyone would be interested in checking out or helping me with it. I notified the park rangers but it is out of park territory. #fossil
Hi, @billy-devey– this looks like a rock to me, can you explain what you are seeing?
I’m not too great at taking pictures. It doesn’t appear to be an intrusion especially since it is limestone. It looks like it is bone encased in the limestone. I didn’t want to pull a sample as I don’t want to disturb if it is a fossil.
@billy-devey – Are you sure that is limestone? I’m not very familiar with the area but I know there are a lot of fluvial deposits in the area (which doesn’t eliminate limestone). You can check out the geologic context for your exact location by using Macrostrat: https://macrostrat.org/map/#/z=11.5/x=-82.7280/y=27.9575/bedrock/lines/
It could be a vein rather than an intrusion – more like a pooling of minerals due to some deformation or diagenetic event. This is common in sedimentary rocks.
Talk to you soon,
Jen
I think they’re lithified mud cracks. Sorry! Not a fossil.