AGS / Geohazards / Land Subsidence / Main. Land subsidence is defined as the lowering of the land surface. Many different factors can cause the land surface to subside. Subsidence can occur rapidly due to a sinkhole or under ground mine collapse, or during a major earthquake. Subsidence can also take place slowly, becoming evident over a time span of many years. In either situation, subsidence can result in millions of dollars of damage.
4,784 pages on this wiki. Cobalt Ore is a hardmode ore that has a 50% chance of being spawned in a world after destroying one Demon Altar or Crimson Altar. At least a Molten Pickaxe is required to mine Cobalt Ore. Terraria-How to get new ores and destroy demon altars.
What is cobalt? Cobalt, with chemical symbol Co and atomic number 27, is a lustrous grey metal and not found in its pure form in nature. The word cobalt is taken from German word Kobold, which means âgoblinâ, a name used by miner to refer to cobalt ore. Mostly yielded from Democratic Republic of the Congo, cobalt ore is mainly a by-product of copper and nickel mining. It can also be found in meteoric iron and vitamin B-12.