Activities involved in finding, mining and processing iron ore at our Pilbara operations have been simplified in the following diagram. Rio Tinto operates 11 iron ore mines in the Pilbara and the specific sequence of activities varies from mine to mine. Excellence in planning, scheduling and quality control are fundamental to the process.

A 3D diagram of a modern underground mine with shaft access. Underground hard-rock mining refers to various underground mining techniques used to excavate "hard" minerals, usually those containing metals, [1] such as ore containing gold, silver, iron, copper, zinc, nickel, tin, and lead.

For underground mines, two major designs that need to be optimised are the stope boundary and the access layout. The optimisation of these two components cannot be done independently as ore...

The present paper considers aspects of underground iron ore mining in Ukraine, in particular the level of mine production and reserves of basic ore fields. It analyzes and generalizes the...

The present paper considers aspects of underground iron ore mining in Ukraine, in particular the level of mine production and reserves of basic ore fields. It analyzes and generalizes the...

4.1.1 Iron Ore Mining There are two basic methods of mining iron ore. These are: • Surface mining or open-pit mining • Underground or shaft mining To be competitive, iron mining must be done on a very large scale. Surface mining is the preferred choice, although there are exceptions. Small, low-capacity mines have rapidly disappeared.

Nov 2, 2011 · The document discusses underground mining methods. It begins by explaining that the choice of mining method depends on characteristics of the orebody like thickness and dip, as well as the competency of surrounding rock. It then provides details on various hard rock and soft rock underground mining methods.

Jan 22, 2025 · Mining - Underground, Safety, Techniques: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and …

Iron Ore Crushing and Screening used for Mining … Iron Ore Mining Process Flow Chart . … We produce a complete type of iron ore processing production line.

Underground mining is commonly used for the extraction of coal, iron ore, oil, and diamonds. A significant type of underground mining technique includes room and pillar mining. Room and pillar mining is where a large space is carved out of the rock face. Then, pillars are built inside this space to support the roof.