| Term | Explanation | Editorials |
| TAEL | Traditional Chinese unit of weight. One tael is equivalent to 37.429 grams, or 1.20337 ounces. Typical bar sizes are 5 and 10 taels of 99.00% purity. | Search Editorials |
| TAILINGS | aste material from ore after the recovery process in ld has been complete. ailings can be found in heaps located near a mine. New technology now allows further extraction of ld from tailings of old mines which used older techniques. | Search Editorials |
| THICKENER | 'coming soon' | Search Editorials |
| THOIUREA LEACHING | Thoiurea Leaching new process of chemical leaching that does not use cyanide, which is an environmental hazard in ld processing. | Search Editorials |
| TRENCHING | Trenching The digging of shallow trenches on the surface to expose potential mineralization for geological inspection and sampling. | Search Editorials |
| TROMMEL | Trommel ore processing. see als SAG Mill | Search Editorials |
| TROY OUNCE | Troy Ounce Unit of measurement dating back to the middle-ages. Troy Ounce is equivalent to 31.1034807 grams. | Search Editorials |
| TUNNEL | Tunnel | Search Editorials |
| TWO-NINES FIVE | Two-Nines Five (0.995) ld with a purity of 99.50%. This is the standard accepted by the London Bullion Market Association (LBMA) for delivery against "Spot" bullion contracts. | Search Editorials |