Quote:
blue arrow that shows the "substrate pressure line"


what the arrows point to are not pressure lines in the picture , the arrows are simply pointing to algal substrate.

the arrows point to the fact that algal substrate do not always grow in a position that the narrow point is always pointing "DOWN".






they grow in various positions in the limestone as depicted in the picture.




here is a cross section of the heel area of the footprint.



and below is a top view of the Burdick footprint , it closely resembels a modern human footprint although it is mostly triangular in shape has a almost pointed heel and it is 13 1/4 inches long.



3/4 inch of dust build up on the moon in 4.527 billion years,LOL and QM is fantasy science.