apeters Posted November 15, 2019 Share Posted November 15, 2019 I was hoping someone would recognize this odd assortment of shapes and point me toward a reference. The were all collected from the same road cut on Highway 89 not to far from Smoot, Wyoming. The paper in the picture is 8.5X11 inches (roughly 20X30cm). They are notable because they are large pieces in a matrix that a least on the surface fragments into small pieces. There were alot of curved pieces that are about an inch thick with a very regular curvature like broken pieces of ceramic pipe. Thanks! Link to comment Share on other sites More sharing options...
Rockwood Posted November 15, 2019 Share Posted November 15, 2019 Layered concretion ? Link to comment Share on other sites More sharing options...
hemipristis Posted November 15, 2019 Share Posted November 15, 2019 5 hours ago, apeters said: I was hoping someone would recognize this odd assortment of shapes and point me toward a reference. The were all collected from the same road cut on Highway 89 not to far from Smoot, Wyoming. The paper in the picture is 8.5X11 inches (roughly 20X30cm). They are notable because they are large pieces in a matrix that a least on the surface fragments into small pieces. There were alot of curved pieces that are about an inch thick with a very regular curvature like broken pieces of ceramic pipe. Thanks! With the possible exception of the laminated piece in the lower left corner that could be a stromatolite (fossilized algal mound)---or maybe its just laminated., I'm afraid the remainder are geologic, not fossils. Rockwood is correct about the spheroidal pieces--part of a concretion On an interesting side note, I just bought my retirement house just up the road from there 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
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