bulb of percussion वाक्य

उदाहरण वाक्य

1. Other conchoidal features include small fissures emanating from the bulb of percussion.
2. The bulb of percussion is the primary feature that identifies the ventral surface of a flake or blade artifact.
3. A swelling appears at the point of impact called the "'bulb of percussion " '.
4. Flakes removed in this manner lack a bulb of percussion, and are distinguished instead by the presence of a small lip where the flake's striking platform has separated from the objective piece.
5. When explained visually, the bulb of percussion is visible on the ventral face as opposed to the dorsal face ( where it is smoother ) and considered to be on the " inside " of the parent core.
6. It is named after 400, 000-year-old finds made by Hazzledine Warren in a palaeochannel at Clacton-on-Sea in the Retouch is uncommon and the prominent bulb of percussion on the flakes indicates use of a hammerstone.