The use of physics to learn about the earth and its surrounding atmosphere. Examples of geophysical methods which are used to locate ore bodies are gravity, magnetics, electromagnetics, and induced polarization.
Study of the various physical properties of the earth and the composition and movement of its component layers of rock. Geophysics is applied to mining exploration to detect zones characterized by their physical properties such as magnetism, gravity or conductivity (electromagnetism).
This is the study of the physics of the earth. Geophysical survey techniques use physical properties themselves (e.g. magnetism) or apply properties to see how the earth affects them (e.g. radar), to determine something about the earth structure.
Physics of planetary bodies, such as the Earth and Moon, and the surrounding environment; the many branches include gravity, magnetism, heat flow, seismology, space physics, geodesy, meteorology, and sometimes geology.
The branch of geology that studies the physics of the Earth, using the physical principles underlying such phenomena as seismic waves, heat flow, gravity, and magnetism to investigate planetary properties.
The rapid expansion of technological knowledge following the 2nd World War has permitted great advances in geophysics, the study of the physical properties of the earth, it's not a new science, as early as the 17th century, Swedish prospectors were using magnetized bars to locate magnetic bodies of iron ore - but it developed rapidly during the post war boom and computerization has meant the amount of data we can acquire and process on the site has increased dramatically. In all geophysical surveys, what is sought is an anomaly - an exception to the norm. A geophysical anomaly is an area where the earth has unusual physical properties. In a typical geophysical survey, a physical property like the gravitational or magnetic field is measured on a grid of locations over the survey area. The value found at each grid position is plotted on a plan view of the property. Lines are then drawn through points having equal value, in exactly the same manner that the iso bars are drawn on a weather map or elevation contour on a relief map. This map of the geophysical data allows the prospector to pick out areas with the geophysical characteristics that suggest there may be mineralization.
The physics of the earth and its environment, that is, earth, air, and (by extension) space. Classically, geophysics is concerned with the nature of the physical occurrences at and below the surface of the earth including, therefore, geology, oceanography, geodesy, seismology, hydrology, etc. The trend is to extend the scope of geophysics to include meteorology, geomagnetism, astrophysics, and other sciences concerned with the physical nature of the universe. Geophysics uses analytical and mathematical, rather than purely descriptive, techniques.
The study of the physics or nature of the Earth and its environment. It deals with the composition and physical phenomena of the earth and its liquid and gaseous envelopes. Areas of studies include the atmospheric sciences and meteorology, geology, seismology, and volcanology, and oceanography and related marine sciences, such as hydrology. By extension, it often includes astronomy and the related astro-sciences.