It is a popular belief that alchemists made contributions to the " chemical " industries of the day — ore testing and refining, metalworking, production of gunpowder, ink, dyes, paints, cosmetics, leather tanning, ceramics, glass manufacture, preparation of extracts, liquors, and so on ( it seems that the preparation of aqua vitae, the " water of life ", was a fairly popular " experiment " among European alchemists ).

Iron is usually found as iron ore on Earth, except for one deposit of native iron in Greenland, which was used by the Inuit people.

Until 1939 iron ore was mined on the Braunenberg hill.

In the 1st century BC the Greek Dioscorides seems to have recognised a link between zinc minerals and brass describing how Cadmia ( zinc oxide ) was found on the walls of furnaces used to heat either zinc ore or copper and explaining that it can then be used to make brass.

Brass was produced by the cementation process where copper and zinc ore are heated together until zinc vapor is produced which reacts with the copper.

Conversely the use of true brass seems to have declined in Western Europe during this period in favour of gunmetals and other mixed alloys but by the end of the first Millennium AD brass artefacts are found in Scandinavian graves in Scotland, brass was being used in the manufacture of coins in Northumbria and there is archaeological and historical evidence for the production of brass in Germany and The Low Countries areas rich in calamine ore which would remain important centres of brass making throughout the medieval period, especially Dinant – brass objects are still collectively known as dinanterie in French.

In Europe, the major source for tin was Great Britain's deposits of ore in Cornwall, which were traded as far as Phoenicia in the Eastern Mediterranean.

Both ships were transporting heavy loads of metallic ore similar to that which was loaded on Cyclops during her fatal voyage.

The Eneolithic was never part of the Stone Age, which ended conclusively the moment the first smelterer succeeded in obtaining copper from copper ore for the first time.

Production was declining by the mid-1980s, so mining of the sulfide zone of the gold ore body was commenced, requiring more extensive processing facilities than had previously existed.

Iron ore was not found in Egypt, making the iron dagger rare, and the context suggests that the iron dagger was valued on a level equal to that of its ceremonial gold counterpart.

A railway service was once operated in Linden for the movement of bauxite ore.

The formal discovery of the element was made in 1895 by two Swedish chemists, Per Teodor Cleve and Nils Abraham Langlet, who found helium emanating from the uranium ore cleveite.

The copper ore was valued at about $ 83. 5 million.

Essentially, water supplied by aqueducts was used to prospect for ore veins by stripping away soil to reveal the bedrock.

It was among the world ’ s leading producers of three valuable commodities, rubber, tin and palm oil, and also a significant iron ore producer.

At this time they began to exploit the iron ( Wealden rocks provide a plentiful supply of the ore ), and so the port was useful to them.

Australia was the largest single supplier of coal, iron ore, wool, and sugar to Japan in 1990.

In 1971, Liberia had the world ’ s largest rubber industry, and was the third largest exporter of iron ore.

They followed the ore veins underground once opencast mining was no longer feasible.

Initially, many metals were obtained through open-pit mining, and ore was primarily extracted from shallow depths, rather than though the digging of deep mine shafts.

Use of water power in the form of water mills was extensive ; they were employed in crushing ore, raising ore from shafts and ventilating galleries by powering giant bellows.

:* exception for ore taken for exploration or scientific research ( s. 333 )

He carted 1, 350 tons of the ore back where, after years of smelting, it was realized that both that batch of ore and the earlier one he had taken were worthless iron pyrite.

* PLYMOUTH The PLYMOUTH open pit mine operated just to the west of the WAKEFIELD, but the PLYMOUTH was entirely an open pit operation, with the possible exception of a small amount of ore taken out of the No. 3 shaft as it was being sunk.

The first shipment of copper ore was taken out on muleback in 1847.

During these years the mill at Monticello processed large amounts of ore taken from the canyons of southeastern Utah.

When the postal service informed him that Upton Station had been taken, Kennedy chose the name " Vonore ", a combination of the German word von ( meaning " of ") and the English word " ore ", as Kennedy believed the town would become a mining town.

Chalcophile derives from Greek khalkós ( χαλκός ), meaning " ore " ( it also meant " bronze " or " copper ", but in this case " ore " is the relevant meaning ), and is taken to mean " chalcogen-loving " by various sources.

** Dump leaching, an industrial process to extract metals from ore taken directly from the mine and stacked on the leach pad without crushing

The fact that decisions on new gold mines of critical importance to the State and the economy as a whole, were being taken on a limited number of drillholes without any scientific analysis of the risks of failure, stimulated him to start basic research into ore evaluation.

It served as a mining town as well as a location for processing and smelting the copper ore taken from the nearby mines.

He is blindfolded and taken there by a circuitous route, and is allowed to take as much gold ore as he can carry before again being escorted blindfolded from the site by the Apaches.

The first step taken before the bloomery can be used is the preparation of the charcoal and the iron ore.

5. 1 million tonnes of haematite iron ore was taken from the Koolanooka Hills mine between 1966 and 1974.

The same day ( 9 April ), Icarus sank the Europa, another German iron ore carrier which was being used to transport men and equipment to Norway, and the 2nd Destroyer Flotilla — which had taken part in the mining of the Vestfjord — later fought with other British naval units in the 1st Battle of Narvik, sinking a number of German warships.

The main considerations that need to be taken account when processing an ore is the size distribution, the presence of tramp metal and the liberation of the particles being separated.

The swords are forged with Brightsteel, an ore taken from meteorites.

The criminals use the plane and vibrator to cause the public to lose trust in any steel not made from ore taken from the Catawbi Range, controlled by the gang.

The Campbell Highway is mostly gravel, and the most improved section is between Carmacks and Faro, where it has taken the most abuse from trucks hauling ore to Whitehorse and beyond.

In the past it played an important role in the shipping of iron ore and coal ; much of this role has been taken over by Donghae Harbor in recent years.

Hayle was initially a coal importing and ore exporting port but Hayle was initially dwarfed by nearby Angarrack, where a tin smelter was built in 1704 and mills and stamps converted / constructed to process the ore. Hayle's role was simply to serve as a convenient point to land coal from South Wales, which was then taken to Angarrack by mule.