Mining Activity Type
http://inspire.ec.europa.eu/codelist/MiningActivityTypeValue
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adit
A horizontal passage from the surface into a mine.
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alluvial
Said of a placer formed by the action of running water, as in a stream channel or alluvial fan; also, said of the valuable mineral, e.g. gold or diamond, associated with an alluvial placer.
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decline
Passage or adit driven on a decline from the surface to provide access to a mine.
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diggings
A term applied in the western U.S. to diggings for gold or other precious minerals located on a bar or in the shallows of a stream, and worked when the water is low.
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dredging
A form of open pit mining in which the digging machinery and processing plant are situated on a floating barge or hull.
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multiple
A multiple activity.
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open pit
An open-sky excavation (also open-sky mine) for the extraction of metallic ores and /or commodities.
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open pit and underground
Covers both the open pit and underground mining activity.
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quarry
Open workings, usually for the extraction of stone.
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reworking
New mining activities carried out on already explored mines.
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shaft
A vertical or inclined excavation through which a mine is worked.
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sluicing
Concentrating heavy minerals, e.g., gold or cassiterite, by washing unconsolidated material through boxes (sluices) equipped with riffles that trap the heavier minerals on the floor of the box.
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solution mining
(a) The in-place dissolution of water-soluble mineral components of an ore deposit by permitting a leaching solution, usually aqueous, to trickle downward through the fractured ore to collection galleries at depth. b) The mining of soluble rock material, esp. salt, from underground deposits by pumping water down wells into contact with the deposit and removing the artificial brine thus created.
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surface mining
Broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed.
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surface mining and underground
Covers both surface and underground mining.
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underground
An underground excavation for the extraction of mineral deposits, in contrast to surface excavations
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hydraulic mining
The recovery of desired material, generally in open pits, by means of strong jets of water
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subsurface mining
Mining beneath the surface of the earth.
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underwater mining
Extraction of a mineral product in the liquid or gaseous state from the Earth's crust by means of boreholes. Boreholes are used for mining petroleum, and for the extraction of liquid solutions of salt, sulfur, etc.
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