notation | 01.. | |||||
---|---|---|---|---|---|---|
definition | A mine is operating | |||||
narrower |
|
notation | 03.. | |||||||
---|---|---|---|---|---|---|---|---|
definition | A mine is under development - e.g feasibilty | |||||||
narrower |
|
notation | 02.2.. | |||
---|---|---|---|---|
broader |
|
|||
definition | A mine is abandoned - one reason or another |
notation | 02.3.. | |||
---|---|---|---|---|
broader |
|
|||
definition | A mine is under care and maintenance |
notation | 02.1.. | |||
---|---|---|---|---|
broader |
|
|||
definition | A mine can be closed for several reasons, e.g. technical, economical or technico-economical. For example, it may be re-opened if the price of the exploited commodity increases. |
notation | 03.1.. | |||
---|---|---|---|---|
broader |
|
|||
definition | A mine is under construction after obtaining licenses/permits |
notation | 03.3.. | |||
---|---|---|---|---|
broader |
|
|||
definition | Technical economic study aimed at assessing the possibility to launching a mine venture. |
notation | 02.5.. | |||
---|---|---|---|---|
broader |
|
|||
definition | An 'old' mine which has been exploited before 1900, e.g. during Roman times, the Middle Ages, etc. |
notation | 02.. | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
definition | A mine has been operating and then closed or suspended | |||||||||||
narrower |
|
notation | 01.1.. | |||
---|---|---|---|---|
broader |
|
|||
definition | A mine is operating continuously |