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Image Gallery

This page is intended to showcase classic images and the latest advances in geomagnetism and paleomagnetism. To submit content, please provide an image, a brief description, and a link to a web site or contact information.

Geodynamo Models by Gary A. Glatzmaier (University of California, Santa Cruz) and Paul H. Roberts (University of California, Los Angeles)

The figure shows a snapshot of the 3D magnetic field structure simulated with the Glatzmaier-Roberts geodynamo model. Magnetic field lines are blue where the field is directed inward and yellow where directed outward. The rotation axis of the model Earth is vertical and through the center. A transition occurs at the core-mantle boundary from the intense, complicated field structure in the fluid core, where the field is generated, to the smooth, potential field structure outside the core. More...

CHAMP Satellite Data, Stefan Maus (Cooperative Institute for Research in Environmental Sciences [CIRES] at University of Colorado & National Geophysical Data Center [NGDC])

Lithospheric magnetic field as given by the MF4 model produced from CHAMP satellite data. Displayed is the vertical component of the magnetic field continued to 100 km above the surface of the Earth. More...

FORC Software by Gary Acton (University of California, Davis)

2-D and 3-D FORC diagrams for an ocean crust basalt sample from Hole 1256D cored during Ocean Drilling Program Leg 206. This and other FORC-related images produced by the FORCIT software are available from the FORCopedia web site. More...

Electron Holography and Rock Magnetism, Josh Feinberg (Institute of Rock Magnetism, University of Minnesota)

Electron hologram of magnetotactic bacteria (from Feinberg et al., IRM Quarterly, v. 16, no. 4, 2007). The direction of in-plane magnetization is given by the contours and colors. Magnetic interactions between magnetosomes force the final magnetization direction to be parallel to the elongation of the chain. More...

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