Drag marks on fired piece

 I recently fired a 10in. tricolor plate (green,white and red). When I opened the kiln, I found what look like blackish drag marks on the green portion of the plate. I tried fire polishing the plate but the marks are still there. Any ideas on cause and how to repair?

 

                                                                                         cap251

Any chance you can post a

Any chance you can post a picture?

Also, what kind of glass?

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Paul
FusedGlass.Org
Helios Kiln Glass Studio
PaulTarlow.com

 

Drag marks

 Paul; Thank you for your quick response, I'm sorry but after I posted, I cut the green section out and am going to try fusing a new green section into the piece. I will say that all the pieces were cleaned before firing and the kiln was not opened during firing. The marks looked as if I had dragged something across the piece and were blackish in color and while the rest of the piece had a nice shine the marks had a flat finish. Next time I'll wait for a response before swinging into action. Thank you again

                                                                 cap251

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