text: in: Mines, Minigames, Mining, Old School-exclusive content
  3 Experience rates
  The dynamite explodes, blasting rock out of the cavity.
  Players must first excavate the hard rock using a chisel, then use a pot of dynamite on the resulting cavity. Then, they must light the dynamite with a tinderbox and run at least three squares away from it, or about 15 damage will be taken.
  Once the dynamite explodes, players should collect the blasted ore from the ground and deposit it into an ore sack near a blonde-haired operator. Players have one minute to deposit the blasted ore before it disintegrates, so be sure to deposit it immediately. When there are 450 of any single type of ore in the sack, it will become full and the player will need to collect it; the nearby operator will let the player know. Once the player is ready, they will be able to talk to the brown-haired operator to collect the ore they mined in noted form, along with Mining experience relative to the ores obtained.
  To do Blast Mining efficiently, it is important to:
  This becomes much easier if a consistent strategy is used.
  One such strategy can be seen in the image to the left where the player moves from Spots 1 to 7.
  1-6: Spots to mine in order. 7: The sack for depositing blast ores.
  For Spots 3 to 6, simply excavate, place and light dynamite, and run to the next spot (do not pick up the ore). At Spot 6, light the dynamite as before and run and pick up the ore from Spot 4 and then pick up the ore from Spot 5. Make sure to stand at Spot 5 to avoid taking damage from the dynamite when it explodes.
  Another possible pattern happens at the western part of the mine where the player moves from Spots 1 to 7 as well.
  Possible blast mining strategy
  Start by excavating and loading spots 2, then 1. Then, light 1 and then 2 (do not pick the ore up from the ground yet).
  Run to spot 4, and excavate 4 and 3. Then, light 3 and then 4.
  Run to spot 5, and excavate 5 and 6. Then, light 6 and then 5. Now, pick the blasted ores up from spot 1 to spot 6.
  Finally, deposit the blasted ores into the sack at spot 7.
  This strategy uses less run energy, but is slightly slower than the strategy above.
  GP/h (Not including cost of Dynamite
  GP/h (Including cost of Dynamite)
  Coal 30 257 (17%) 15%-19% 52782 539,510.7 518,210.7
  Gold ore 60 368 (25%) 23%-27%
  Mithril ore 110 469 (32%) 29%-34%
  Adamantite ore 170 272 (18%) 16%-20%
  Runite ore 240 118 (8%) 6.6%-9.4%
  Total 1484 100
  48k xp per hour with 31k gp per hour.
  58k xp per hour with 427k gp per hour.
  64.4k xp per hour with 587k gp per hour.
  69.8k xp per hour with 693k gp per hour.
  It should also be noted that the Prospector Percy outfit affects the experience received while collecting the ore, it is not required to wear it while doing the activity to obtain the bonus experience.