Century Dictionary and Cyclopedia
- n. Ore as existing in the ground in veins, lodes, etc.; a body of ore that has not been mined.
“Mining, haulage and beneficiation are performed sequentially, and other essential tasks are negelected for the present time; as a result, work activities such as development of deposits (even where this is possible internally inside the ore-body structure), timbering and maintenance of galleries (see photo) are not performed.”
“Shortly after the middle of the sixteenth century the great _Veta Madre_, or "mother lode," of Guanajuato was pierced, with an ore-body 100 feet wide.”
“-- The whole theory of sampling is based on the distribution of metals through the ore-body with more or less regularity, so that if small portions, that is samples, be taken from a sufficient number of points, their average will represent fairly closely the unit value of the ore.”
“For instance, in the A mine, with an ore-shoot 1000 feet long and 10 feet wide, on its bottom level, the minimum extension under this hypothesis would be a wedge-shaped ore-body with its deepest point 500 feet below the lowest level, or a minimum of say 200,000 tons.”
“In some cases of flat deposits, crosscuts into the walls, or even levels under the ore-body, are justifiable.”
“If the ore-body is 1,000 feet long and 13 feet wide, it will furnish of gold ore 1,000 tons per foot of depth; hence the ore-body must extend 1,160 feet deeper to justify the price.”
“The application of any particular method depends upon the dip, width of ore-body, character of the ore and walls, and cost of materials.”
“On the other hand, the predetermination of the location of the ore-body justified expenditure.”
“The construction of an incline from the surface to the ore-body will be more costly than a combined shaft, for until the horizon of the ore is reached (at _D_) no crosscuts are required in the vertical section, while the incline must be of greater length to reach the same horizon.”
“The ore-body is regular in size, else loose ore will lodge on the foot wall.”
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