Magnetic anomaly

Satellite measurements of the radial magnetic field on Mars.

This helicopter is equipped with a magnetometer array. It flies six feet above ground at speeds of 30 to 40 mph.

Magnetic anomalies around the Juan de Fuca and Gorda Ridges, off the west coast of North America, color coded by age.

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 material. The magnetic variation in successive bands of ocean floor parallel with mid-ocean ridges is important evidence supporting the theory of seafloor spreading, central to plate tectonics.

单词	Magnetic anomalies
释义	Magnetic anomalies 原声例句经济学人-科技 They can be detected from the surface via magnetic anomalies which suggest that a particular group of rocks formed at a different time from its surroundings, a standard practice in the industry. 它们可以通过磁异常从地表探测到，这表明一组特定的岩石形成于与周围环境不同的时间，这是业内的标准做法。英语百科 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 material. The magnetic variation in successive bands of ocean floor parallel with mid-ocean ridges is important evidence supporting the theory of seafloor spreading, central to plate tectonics.
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Magnetic anomalies

Magnetic anomaly