The purpose of mineral exploration is to find new deposits that can become an ore body. There are two ____ types of exploration: greenfield and brownfield. In brownfield, the goal is to ____ deposits close to an ____ mine. This can be done ____ from the surface ____ from inside the mine, which can be more ____ compared to surface. The benefits with brownfield are that you can use the ____ infrastructure of the mine and that the geological conditions are ____ known. In greenfield, the goal is to find new deposits in an ____ area, which is a much higher ____. Before starting with core drilling, a ____ of steps need to be ____, and this can vary from country ____ country. Study all available geological maps, satellite pictures, and possible available ____ geophysical surveys. Collect samples from ____ and outcroppings of rocks for local geological mapping; ____ local geophysical surveys, for example, ____ electromagnetic surveys; Collect geochemical samples in vegetation, sediments and in ____ boreholes. The last and ____ expensive phase is core drilling. There are three kinds of ____ in the exploration business: ____ mining companies, junior mining companies and drilling contractors. Drilling contractors are normally ____ to the major and junior mining companies. The total ____ of exploration activity depends ____ macro-economic factors, ____ as world economy cycles and the demand for ____. The major mining companies invest in brownfield exploration almost ____, regardless of world economy factors, in order to meet the long-term ____ for minerals. During upturns and booms in the world economy, both major ____ junior mining companies invest in greenfield exploration, which ____ a much higher risk. Actual core drilling is performed by ____ in-house drilling equipment or through the ____ of services from a drilling contractor. These drilling contractors are primary exploration customers.

VIDEO: EXPLORATION PROCESSES

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