hndmarshall Posted June 12, 2019 Share Posted June 12, 2019 1 inch thick and about 1 1/2 inch wide found in gravel from the Brazos river this specimen has a basket weave type grain any ideas of the type of wood this was? on first glance I thought it was a wear pattern but under the microscopic camera it looks similar to a basket weave pattern. Link to comment Share on other sites More sharing options...
TqB Posted June 12, 2019 Share Posted June 12, 2019 I guess the cross grain markings are medullary rays, prominent in some woods. Tarquin Link to comment Share on other sites More sharing options...
leftoversalmon Posted June 12, 2019 Share Posted June 12, 2019 (edited) It could also be a species of tree similar to white oak of today. The cells that make up white oak are closed off, and that could be what we're be seeing. Fun fact: If you put a hunk of red oak and white oak in water with the end grain facing down the red oak will wick water up through the entire block of wood, meanwhile white oak will not, this is due to white oak having closed cells. Edited June 12, 2019 by leftoversalmon 3 Link to comment Share on other sites More sharing options...
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