The Better ground-penetrating scanner Mod allows to tune the ground-penetrating scanner to scan for a specific resource. It is still possible to scan for random resources. To balance it out, when a specific resource is selected, scanning time is multiplied by 1.5. You can use the settings to set it from 1 (no augmentation) to 5.
When no pawn are using the scanner, it will continue to scan at a lowered efficiency (75% by default). This allows to free up pawns when playing small colonies. This behavior can also be tweaked or completely disabled. Efficiency can be set from 10% to 500%.
Code work by me, Kikohi