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Showing results for tags 'quaternary fill'.
Kato posted a topic in Fossil IDEvery now and then I find something odd on the ground in the backcountry. Do not feel this is a fossil. At first glance I thought this was just some siliceous ooze with intricate folds. At second glance I noted the broken surfaces were not conchoidal as one would expect with silicate materials. It almost appears like extremely fine-grained basalt on the broken ends Specimen is 1.5" (38mm) long and 1.25" (32mm) wide. Thickness is 3/8" (8-9mm) I'll call this the top view. Primarily very dark black Bottom view has a decided reddish cast