Knowra Geological map Geological map A map showing the distribution, boundaries, and structure of geological units at Earth’s surface, commonly using colors, patterns, and symbols to distinguish rock types and geologic features.
Geologic unit : A body of rock or sediment distinguished by shared geological characteristics and mapped as a unit. Mapped areas represent units defined by rock type, age, or other shared properties.
Geological field mapping : The systematic recording of rock exposures, structures, and geological boundaries in the field. Field mapping supplies observations used to locate and characterize units and contacts.
Mineral exploration : The search for economically valuable concentrations of minerals. Mapped rock types and structures help target areas with potential mineral deposits.
Topographic map : A map representing terrain elevation and landforms, often with contour lines. It emphasizes relief and elevation rather than the distribution of rock units.
Stratigraphic formation : A named body of rock with distinctive characteristics that can be recognized and mapped at the surface. Many geological maps show formations as their principal rock units.
Remote sensing : The collection of information about places using sensors that do not make direct physical contact. Satellite and aerial data help identify geological patterns where exposures are sparse.
Groundwater : Water held beneath Earth’s surface in pores, fractures, and other openings. Geological units and structures influence where groundwater is stored and how it moves.
Soil map : A map showing the distribution and properties of soil types across an area. It classifies surface soils, which may cover or differ from underlying mapped geology.
Geologic contact : A boundary separating distinct rock bodies or geological units. Contacts mark where mapped units meet and may be exposed, concealed, or inferred.
Geochronology : The science of determining the ages of rocks, minerals, and geological events. Age measurements help establish the sequence and labels of mapped rock units.
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