Post: #4

Open file sphere_region.scp & change it:

[REGIONTYPE r_default_rock t_rock]
// By default, iron is most common, sometimes nothing can be mined, but there
// is a small chance of a rare diamond. Shadow ore is cannot be mined.
RESOURCES=100.0 mr_iron // Set to 100.0
RESOURCES=0.0 mr_nothing // Set to 0.0
RESOURCES=8.0 mr_rusty
RESOURCES=6.0 mr_old_copper
RESOURCES=6.0 mr_dull_copper
RESOURCES=5.0 mr_bronze
RESOURCES=5.0 mr_copper
RESOURCES=2.0 mr_gold
RESOURCES=2.0 mr_rose
RESOURCES=2.0 mr_agapite
RESOURCES=1.0 mr_bloodrock
RESOURCES=1.0 mr_silver
RESOURCES=0.5 mr_verite
RESOURCES=0.2 mr_valorite
RESOURCES=0.1 mr_mytheril
RESOURCES=0.1 mr_blackrock
RESOURCES=0.1 mr_diamond // The small number means this is very rare.

Next join player account & set him Mining 100.0

Enjoy!