During the communist era, the emphasis shifted towards the coalfields surrounding the town (the traces of mineral charcoal had already been discovered at the beginning of the 20th century).

Mineral charcoal, the closest alternative, is not largely used in this industry in Brazil, since the country does not have significant mineral charcoal reserves.

Lately, imported mineral charcoal was adopted in Usiminas and Acesita, so the eucalyptus is now mainly used to supply the pulp factory of Cenibra as raw material.

Bideford black has also been known as "The Mother of Coal", there are still a number of places where evidence of the mine can be seen, like old mine entrances just off the Barnstaple road.

During the communist era, the emphasis shifted towards the coalfields surrounding the town (the traces of mineral charcoal had already been discovered at the beginning of the 20th century).

Mineral charcoal, the closest alternative, is not largely used in this industry in Brazil, since the country does not have significant mineral charcoal reserves.

Lately, imported mineral charcoal was adopted in Usiminas and Acesita, so the eucalyptus is now mainly used to supply the pulp factory of Cenibra as raw material.

The length of the track is 250 m and covered by crushed mineral coal.

There are many brick kilns in Kabirwala, which use mineral coal for baking bricks.

Smelting was carried out in cupolas, that is reverberatory furnaces using mineral coal.

After the Civil War the demand for charcoal declined as new technologies allowed for the use of the cheaper mineral coals.

Some evidence may suggest that Shadrach Fox smelted iron with mineral coal, though this remains controversial.

They had the advantage over older methods that the fuel was mineral coal, not charcoal or 'white coal' (chopped dried wood).

When mineral coal was first used in European blast furnaces in 1709 (or perhaps earlier), it was coked.

Different from other charcoal briquettes, said Mahowald, because their product doesn't use any mineral coal or synthetic materials, which can give off harmful greenhouse gases.

In 1661, John Evelyn's Fumifugium suggested burning fragrant wood instead of mineral coal, which he believed would reduce coughing.

Symbol C. it is combustible, and forms the base of lampblack and charcoal, and enters largely into mineral coals.

Australian miner Cokal's $100 million Bumi Barito Mineral Coal project is such an outlier.

While directing a smelting establishment in Pennsylvania, Walters produced the first iron manufactured from mineral coal in the United States.

He made one of the most comprehensive studies on the Glossopteris Flora, the main component of the fossil deposits of mineral coal in Brazil.

With no local source of mineral coal, the Wealden iron industry was unable to compete with the new coke-fired ironworks of the Industrial Revolution.

In 1800s troopers found mineral coal near the banks and the mining operations started in 1884 when the Dona Thereza Christina Railway was inaugurated.

The finery always burnt charcoal, but the chafery could be fired with mineral coal, since its impurities would not harm the iron when it was in the solid state.

Since 2008, Itera, through its subsidiary Arkticheskiye razrabotki, developed Apsatskoe mineral coal mine, one of the largest in Russia, in Zabaykalsky Krai.

Mozambique will resume coal exports by 2010 because the railway would be operational and will ship the first quantities of mineral coal for exportation available from the Moatize deposit in Tete province,' she said.

For a half-century the geologists of South Yakutia have discovered and have prospected more than 150 deposits of mineral coal, iron oxides, ore gold, mica-amber mica, building materials and underground water.

During the 1720s, Eyre became involved in the ironmaking project of William Wood, whose son had obtained a patent for a method of making iron in an air furnace using mineral coal in 1727.

Once profitable trade relations were established, the PRC invested in Tehran's subway systems, dams, fishery, and cement factories while Iran helped supply China with the highly desired minerals coal, zinc, lead, and copper.

The 2007 National Energy Policy supports the diversification and increase of energy sources, mainly through renewable energy such as hydroelectricity, geothermal, solar, wind power and biofuels (as well as mineral coal and natural gas).

It took them four days, from the 9th till the 12th, to unload "40 Chaldron Seacoal" they had brought; a caldron was worth 32 bushels in London; by seacoal is meant pit-coal or mineral coal, by opposition to charcoal.

Eventually he experimented with anything he could find: "tar, rosin, rough turpentine, or the spirit, or alcohol, or any kind of oil, fat, or tallow; mineral coal, pitch-pine wood, and the knots, birch bark, pumpkin, sun-flower, flax, and other seeds; as well as many other substances."

Commenting on the area's coal in his Notes on the State of Virginia (1781-82), then-Governor Thomas Jefferson stated: "The country on James river, from 15 to 20 miles above Richmond, and for several miles northward and southward, is replete with mineral coal of a very excellent quality."