Southern California Paleomagnetic Vectors

Drawn and animated by Tanya Atwater using Photoshop and Morph. After Hornefius 1985. Journal of Geophysical Research, v. 90, p 12503-12522. Dark blue = vectors measured in samples aged 29-14 Ma. Medium blue = vectors measured in samples aged 14-11 Ma. Dark blue = vectors measured in samples aged 11-5 Ma.

This is the primary data set that convinced most geologists the western Transverse Ranges block has rotated clockwise about 90o.

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