manganese ore

Its production of manganese ores, which is used in steel production, rose 26 percent.

Iron and manganese ores are also found here.

Iron ore of 70% iron content and manganese ores were found.

The manganese ores are interbedded with volcanic tuff, jasper and limestone.

U.S. imports from Gabon include crude oil, manganese ores, agricultural products, and wood.

Most of the other economically important manganese ores show a close spatial relation to the iron ores.

There were also deposits of copper and manganese ores in the Slovenské Rudohorie.

The quality of the manganese ores, however, is low, and reserves of chromium are insufficient for the needs of the economy.

Karnataka has very rich deposits of high grade iron and manganese ores to the tune of 1,000 million tonnes.

The production of chlorine and hypochlorite containing bleaching agents was a large consumer of manganese ores.

Typically, manganese ores are purified by their conversion to manganese(II) sulfate.

The town lies on a zone of Cambrian-era bedrock, primarily shale or slate containing limestone concretions and manganese ores.

These mines contributed to 79% of all Slovene manganese ores processed in the ironworks of Jesenice.

It is the world's leading producer of chrome and manganese ores and alloys and the largest exporter of thermal coal.

The division loads bulk requirement of iron and manganese ores, dolomite, limestone and other raw-materials for all major steel plants of the country.

Madagascar contains deposits of copper, iron and manganese ores, graphite, rock salt, niter, pyrites, and some minor minerals.

In freight transportation is dominated by iron and manganese ores, coal, coke, ferrous metals, industrial goods, machinery, equipment, building materials, fluxes, grain.

It said the transaction gave rise to a limited vertical overlap between the upstream market of manganese ores and downstream market of special steel products. '

He also worked on minerals of economic importance including iron, manganese ores, gypsum, mica, limestone and published his studies in the GSI Memoir 80 (1952).

Kumasi metropolis with Ashanti region has large reserve deposits of manganese ores in which Kumasi metroplois with Ashanti region is a top-10 manganese producer on Earth.

During this time he devoted himself to education and training of Hungarian students of geology and with this team discovered the oil fields as well as the deposits of bauxite, iron and manganese ores, and coal.

Konongo has manganese ores deposits estimated at over 1.7 million metric tonnes at Odumase near Konongo in Ashanti as the Ashanti manganese ores deposits have manganese content of 19.7%.

Billiton's roots go back to 1860, as it worked its way to become a global leader in the metals and mining sector, as well as a major producer of aluminum and alumina, chrome and manganese ores and alloys, steaming coal, nickel and titanium minerals.