Excavation of quartz or sand

The excavation of quartz or quartz sand or silica sand. Activities of breaking, crushing, screening and refining, including transportation and sales that cannot be administratively separated from the excavation of quartz or quartz sand or silica sand, are included in this group.

Other mining and quarrying ytdl

The mining and excavation of other minerals that are not included in any category. Including activities of purification, separation or sorting, cleaning and processing by other means of mining or quarrying materials that cannot be administratively separated from the mining and other excavation businesses. Mining and excavation include mica, leucite, yarocyte, zeolite, scouring stone, natural graphite, steatite (talc), siliceous fossil flour, ocher, toseki and others.

Excavation of feldspar and kalsite

The business of extracting feldspar and calcite. Activities of breaking, crushing, screening and refining, including transportation and sales that cannot be separated administratively from the excavation of feldspar and calcite or starstone, are included in this group.

Natural asphalt mining

The mining business of natural asphalt, asphalt rock and natural solid bitumen. The purification, separation and pouring activities of these minerals that cannot be administratively separated from the natural asphalt mining business are included in this group.

Excavation of asbestos

The business of extracting asbestos in the form of fibers or not. Cleaning and separation activities that cannot be administratively separated from the excavation of asbestos are included in this group.

Extraction of peat

Operations for the extraction and excavation of fat soils, agglomeration of fat soils and processing of peat to improve quality or facilitate transportation or storage. The extraction operations include excavation, crushing, washing, filtering, and mixing and holding

Extraction of salt

Salt extraction businesses, namely salt extraction from underground including by dissolving and pumping, as well as salt production by evaporation of sea water or other salt water in ponds or ponds or other media, and crushing, purifying and refining salt by salt farmers. including the activities of collecting, cleaning, milling, crushing, and processing of salt minerals that cannot be administratively separated from the extraction business.

Precious stone mining

The mining and quarrying business of precious stones or gemstones, such as diamonds. Including activities of refining, separating or sorting, cleaning and processing in other ways of precious stones or gemstones that cannot be administratively separated from the mining and other excavation business

Pertambangan yodium

The mining business for the extraction of groundwater containing iodine. Distillation and refining activities from mineral extraction that cannot be separated administratively from the iodine mining business are included in this group.

Mining potash (potassium carbonate)

The potash mining business in the form of salt, feldpar and leusite analeum. The activities of destroying and clearing these minerals which cannot be administratively separated from the potash mining business are included in this group.