- age of ore bodies
- wiek złoża rudnego
English-Polish dictionary for engineers. 2013.
English-Polish dictionary for engineers. 2013.
Ore genesis — The various theories of ore genesis explain how the various types of mineral deposits form within the Earth s crust. Ore genesis theories are very dependent on the mineral or commodity. Ore genesis theories generally involve three components:… … Wikipedia
Carbonate hosted lead zinc ore deposits — World wide distribution of MVT deposits, (red), clastic sediment hosted (green), and unclassified (blue) lead zinc deposits. Source: USGS Carbonate hosted lead zinc ore deposits are important and highly valuable concentrations of lead and zinc… … Wikipedia
Bronze and Iron Age Poland — The Bronze and Iron Age cultures in Poland are known mainly from archeological research. Early Bronze Age cultures in Poland begin around 2400/2300 BC [ U źródeł Polski , p. 55, Sławomir Kadrow] . In the region the Iron Age commences ca. 750/700… … Wikipedia
Bronze Age — For other uses, see Bronze Age (disambiguation). Diffusion of metallurgy in western Europe. The darkest areas are the oldest. Bronze Age … Wikipedia
Broken Hill Ore Deposit — The Broken Hill Ore Deposit is located underneath Broken Hill in western New South Wales, Australia, and is the namesake for the town. It is arguably the world s richest and largest zinc lead ore deposit. Discovery The Broken Hill ore deposit was … Wikipedia
Stone Age — The Stone Age is a broad prehistoric time period during which humans widely used stone for toolmaking.Stone tools were made from a variety of different kinds of stone. For example, flint and chert were shaped (or chipped ) for use as cutting… … Wikipedia
Pre-Roman Iron Age — The Pre Roman Iron Age of Northern Europe (5th/4th century BC 1st century BC) designates the earliest part of the Iron Age in Scandinavia, northern Germany, and the Netherlands north of the Rhine River, all of them regions that feature many… … Wikipedia
North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… … Universalium
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… … Universalium
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium