The high level of mineralisation in this area has attracted several mining companies for exploration.

mineralisation 是名词，由 mineral（矿物）加上后缀 -isation（表示"形成...的过程"或"...的状态"）构成，指"矿物在岩石或土壤中沉积形成的过程或状态"，即"矿化"或"矿化作用"。