Likhalase tsa mahlo tsa basali tse bopehileng joaloka serurubele li kopanya setaele le tšebetso.Moetso oa eona o ikhethang o na le foreimi e bōpehileng joaloka serurubele e bontšang bokhabane le botle ba basali.Foreimi e entsoe ka thepa ea boleng bo holimo, e netefatsang hore e bobebe ebile e loketse ho apara nako e telele.