How to Retain a Core
Pasadena CA (JPL) Jan 25, 2022 Have you ever wondered how a coring bit grabs and holds onto a rock core? As we drill, the bit teeth cut a 27mm diameter circle in the rock and leave the 13mm diameter center intact. As we dig deeper, that cylinder of rock is fed into the sample tube that was loaded inside the bit. When the drill reaches its target depth, typically 66mm, the core is fully in