Lucid_Bot Posted May 8, 2022 Share Posted May 8, 2022 I found this on the bank of a stream near Pittsburgh. It looks to me like bone, but perhaps I'm imagining things. It's rather light and I can tell you the stream is part of the Conemaugh Group, Glenshaw Formation and Pennsylvanian/Carboniferous period. Any help is appreciated. (Last pic has the scale.) Link to comment Share on other sites More sharing options...
HuckMucus Posted May 8, 2022 Share Posted May 8, 2022 (edited) I'd go with basalt. Edited May 8, 2022 by HuckMucus 1 Link to comment Share on other sites More sharing options...
val horn Posted May 8, 2022 Share Posted May 8, 2022 I dont see bone texture, so i think it a rock 1 Link to comment Share on other sites More sharing options...
Lucid_Bot Posted May 8, 2022 Author Share Posted May 8, 2022 Must be my imagination then. Thanks! Link to comment Share on other sites More sharing options...
cngodles Posted May 18, 2022 Share Posted May 18, 2022 I'll agree with this one, likely an oddly shaped and carved rock from the river. Could be limestone, sandstone, or shale, all possible in the Glenshaw. Lots of sandstone I find in streams is very smooth. However once you smack it with a hammer, the sandy/grainy inside shows what it is. 1 Fossils of Parks Township - Research | Catalog | How-to Make High-Contrast Photos Link to comment Share on other sites More sharing options...
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