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Geological maps are an important basis for guiding mine design and production, and are one of the important achievements of comprehensive geological cataloging. The geological maps commonly used in mines are:
I. Topographic geological map of the mining area: The topographic geological map is a map reflecting the topography and geological conditions of the mining area. It is based on the topographic map, with different colors and patterns, the various geological bodies on the surface are scaled down and vertically projected to A picture on a horizontal plane. The topographic geological map is a necessary map for studying the conditions of deposit deposits, metallogenic regularity, rationally arranging production exploration projects, carrying out mine design construction or technical transformation, exploring and extending the design, and preparing the mine vision plan.
2. Geological cross-section of the deposit: The geological cross-section of the deposit is a vertical ore body or main tectonic strike, and reflects its changes along the trend direction and geological features. The most commonly used cross-section of the mine is the horizontal cross-section of the survey. Sectional view, which is an important map reflecting the overall geological features of the mining area, the geological structure characteristics of the deposit, the excavation and burial of the ore body, the thickness of the ore body and the tendency of the grade along the trend. It is to draw horizontal geological sections and projections, and the bottom of the bed. The important basis for the high-line chart is the necessary map for reserve calculation, mine design and production.
3. Geological longitudinal profile of the deposit: The geological longitudinal profile of the deposit is a section along the average strike of the body to understand the variation of the ore along the strike and the variation of the extension and its ore-forming geological conditions.
Fourth, the ore body projection map: the ore body projection map is a projection surface, indicating the total distribution of the ore body and the map of the various levels of reserves. When the total inclination of the ore body is greater than 60°, the vertical longitudinal projection is generally adopted, and when it is less than 60°, the horizontal projection is used. Between 60° and 45°, an oblique projection can be used for some needs. It is the calculation of reserves. Prepare basic maps for mining plans and long-term planning. When designing a mine, various development systems should be projected on this map. In mine production, the map is often used to prepare mining plans.
V. Geological plan of the mining stage: The geological plan of the mining stage is a map showing the geological characteristics and changes of the ore body, surrounding rock, structure and ore quality at a certain elevation level. It is an underground mining production and exploration design, mining technology plan, An important basis for determining the mining sequence and arranging the mining blocks.
6. Mining flat plate geological plan: It is a plan view showing the mineralization, distribution law, occurrence structure, surrounding rock condition and rock type of the open-pit mining flat plate. It is an important basis for the preparation of mining plans and calculation of geological reserves.
VII. Contour map: A series of equivalent curves are used to indicate the various geological features of the ore body. Specifically, there may be: a contour map of the top (bottom) plate of the ore body, a contour map of the ore grade, a thick line diagram of the ore body, and the like.
8. Three-sided map of the ore block: The three-sided map of the ore block is a set of maps that fully reflect the geological structure features of one or several mining blocks and the spatial position of the ore body, including the geological plan of the block, the geological section, and the longitudinal Projection maps, etc., are necessary maps for studying the occurrence conditions of mining ore bodies, mining technical conditions, design and construction of stope, and calculation of loss depletion.