Gold ore production process mainly includes: crushing, grinding, and beneficiation.

Belonging to sedimentary rock, limestone is mainly found in calcite. The compact limestone with stratified structure has compression strength of 20-120 M Pa and density of 2000-2600 kg/m3.

Manganese is widely distributed in nature. Almost all kinds of ores and silicate rocks contain manganese. The most common manganese minerals are manganese oxide and Manganese Carbonate,

Rock phosphate is mostly produced from sedimentary rock, metamorphic rock or igneous rock. Generally, phosphorus exits in the state of orthophosphate.

Belonging to extrusive rock, basalt is similar to gabbro. It is either of vesicular structure or amygdaloidal. Compression strength varies with structure(100-500 M Pa). Density is 2900-3500 kg/m3.