aeromagnetic mapping

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• Prospectivity Mapping — Prospectivity Mapping, also known as Mineral Prospectivity Mapping or Mineral Potential Mapping defines a process used to make better use of mineral exploration data. Geological and geophysical datasets, such as lithological, structural and… …   Wikipedia

• Olympic-Wallowa Lineament — Location of the Olympic Wallowa Lineament. Is the OWL an optical illusion? The Olympic Wallowa lineament (OWL) – first reported by cartographer Erwin Raisz in 1945 [1] on a relief map of the continental United States – is a physiographic feature… …   Wikipedia

• Superior craton — in the west. The western margin extends from northern Minnesota through eastern Manitoba to northwestern Ontario.The formation of the Superior craton is best explained within the context of 2.72 2.68 Ga accretion of small continental plates and… …   Wikipedia

• Magnetometer — A magnetometer is a measuring instrument used to measure the strength or direction of a magnetic field either produced in the laboratory or existing in nature. Some countries such as the USA, Canada and Australia classify the more sensitive… …   Wikipedia

• United States Geological Survey — Seal Official …   Wikipedia

• Space weather — is the concept of changing environmental conditions in outer space. It is distinct from the concept of weather within a planetary atmosphere, and deals with phenomena involving ambient plasma, magnetic fields, radiation and other matter in space… …   Wikipedia

• Exploration geophysics — is the applied branch of geophysics which uses surface methods to measure the physical properties of the subsurface Earth, in order to detect or infer the presence and position of concentrations of ore minerals and hydrocarbons. Exploration… …   Wikipedia

• Magnetic anomaly — In geophysics, a magnetic anomaly is a local variation in the Earth s magnetic field resulting from variations in the chemistry or magnetism of the rocks. Mapping of variation over an area is valuable in detecting structures obscured by overlying …   Wikipedia

• Diablo Canyon earthquake vulnerability — Diablo Canyon (Nuclear) Power Plant, located on the water s edge in San Luis Obispo County California, was originally designed to withstand a 6.75 magnitude earthquake from four faults, including the nearby San Andreas and Hosgri faults,[1] but… …   Wikipedia

• Foumban Shear Zone — The Foumban Shear Zone, or Central Cameroon Shear Zone (CCSZ), is a fault zone in Cameroon that has been identified with the Pernambuco fault in northeastern Brazil, which splays from the Trans Brazilian Lineament.[1] It is part of the Central… …   Wikipedia