What does geological prospecting mean?

Geological prospecting generally refers to geological exploration. Geological exploration can be broadly understood as geological work based on the needs of economic construction, national defense construction and scientific and technological development, using geological exploration methods such as surveying and mapping, geophysical exploration, geochemical exploration, drilling, pit exploration, sampling test and geological remote sensing.

Investigate and study the geological conditions such as rocks, stratigraphic structure, minerals, groundwater and landforms in a certain area. Geological exploration involves mathematics, physics, geology, mineral investigation and exploration of oil and gas and solid minerals, hydrogeology, engineering geology, geotechnical engineering, remote sensing geology, mathematical geology, applied geophysics and applied geochemistry, computer application technology and other disciplines.

Tasks of geological survey:

1. Prove the lithology and geological structure of the construction site, that is, the thickness, properties and changes of each stratum; Dividing strata and determining their contact relationship; Weathering degree of bedrock and division of weathering zone; Study the occurrence of rock strata, the development degree of fractures and their changes with depth; Study the spatial distribution and changes of geological structures such as folds, faults and fault zones.

2. Prove the hydrogeological conditions, that is, the distribution, buried depth, thickness, nature and groundwater level of aquifers and aquifers.

3. Find out the ground and physical geological phenomena, including the positions of valley terraces, alluvial fans and residues, and the soil structure; The scale and development degree of dissolved rock; Distribution, scope and characteristics of landslides and debris flows.

4. Extract rock and soil samples and water samples to provide on-site test conditions. Take out rocks, soil samples or water samples from drilling holes or exploration points for indoor test, analysis and identification. Pits and holes formed by exploration can provide places and conditions for in-situ testing.