AKA Jelly Roll chert.
Grey Banded. Outcrops in Garrard County, Paint Lick areas of Kentucky. Distinctive banding with darker and lighter greys. Some lines can be white, off white, cream, darker greys to black. Chalky to Waxy luster and, always opaque. Fair to good knappability.
An interesting link on the type/nontype?
Grey Banded. Outcrops in Garrard County, Paint Lick areas of Kentucky. Distinctive banding with darker and lighter greys. Some lines can be white, off white, cream, darker greys to black. Chalky to Waxy luster and, always opaque. Fair to good knappability.
An interesting link on the type/nontype?