sandstone - teaching hand specimen of a moderately lithified fine to medium-grained yellow brown Miocene sandstone
This sandstone is Miocene in age, is moderately lithified, was deposited in a closed basin in a non-marine or brackish marine depositional environment. It is mapped as the Ridge Route Formation, part of the Ridge Basin Group.
The sand grains in these specimens when rubbed off onto a sheet of paper, will look like sand to a student. It would be instructive to compare this sandstone with one is larger grained, with one that is cemented with calcium carbonate, and with different colored sandstones, as sandstone has great variety and a student should not see only one example.
Select a specimen: You can select a specimen by telling us what is in the photo with it, a blue or black and silver pen, a black mechanical pencil or one of those plus some number of coins, or you can let us make the selection.
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