Since yesterday’s live-blogging the rock sample prep routine turned out blurry, I figured I owed it to this sample, and to you, to give everyone a better look. So I scanned it this morning. Penny for scale.
Assuming that your computer screen is vertical, this is in the same orientation as when it was deposited: coarse at the bottom, fine at the top.
Filed under: primary structures, sediment
Callan Bentley
Excellent sample of graded bedding professor