RECOVERY For soil samples, the recovery is recorded as the length of the soil sample recovered. For rock core, recovery is defined as the total cumulative length of all core recovered in the core barrel divided by the length drilled and is...
AI summary The text defines recovery for soil samples and rock core, specifying that recovery for soil is the length of the sample recovered, while for rock core, it is the percentage of cumulative core length recovered relative to the length drilled.