Driller comments and fits with a high geothermal gradient caused by the granite (U and K are concentrated in granite and their radiogenicity generates heat). The high Sn concentrations are near the granite.
South African gold mines operate at 2 km deep and pump in ice cold air to the lower levels ( about 60 C there). Mining temp about 35 C at 1300 m deep Renison, I think.
Depth of mines limited by heat and, to a lesser extent, water. e.g. SBM
Driller comments and fits with a high geothermal gradient caused...
Add to My Watchlist
What is My Watchlist?
 (20min delay)
|
|||||
|
Last
59.5¢ |
Change
-0.030(4.80%) |
Mkt cap ! $527.4M | |||
| Open | High | Low | Value | Volume |
| 62.0¢ | 62.8¢ | 59.0¢ | $1.780M | 2.944M |
Buyers (Bids)
| No. | Vol. | Price($) |
|---|---|---|
| 1 | 2750 | 59.5¢ |
Sellers (Offers)
| Price($) | Vol. | No. |
|---|---|---|
| 60.0¢ | 7033 | 1 |
View Market Depth
| Last trade - 16.10pm 30/07/2025 (20 minute delay) ? |
| MLX (ASX) Chart |