Navai state mining institute the mining faculty independent work

THE MINISTRY OF HIGHER AND SECONDARY

SPECIALIZED EDUCATION OF UZBEKISTAN NAVOI MINING AND METALLURGICAL INDUSTRY COMBINE

NAVAI STATE MINING INSTITUTE

THE MINING FACULTY

INDEPENDENT WORK

Subject: FOREIGN LANGUAGE

THEME: The most extracted ores

Done: Barnoyev Yusuf(13A-18KEM)

Checked: Madraximova Ra’no

Theme: The most extracted ores

Plan

1. Ores and extracting methods

2. Annual figures of ores in a year

3. Iron, Gold, Copper

4. Sources used

Ores

Unreactivemetals such as gold are found in the Earth's crust as the uncombined elements. However, most metals are found combined with other elements to form compounds.

An ore is a rock that contains enough of a metal or a metal compound to make extracting the metal worthwhile:

low-grade ores contain a small percentage of the metal or its compound