Sentences with phrase «magnetic minerals within»

There were two primary characteristics the researchers used to hone in on the origins of Devils Tower: the shape of its distinctive columns and the alignment of magnetic minerals within them.

Near the base the tiny, needle - shaped magnetic minerals within the rock are generally close to vertical, the result of the direction the magma flowed before it solidified.

Not exact matches

Scientists in the area of paleomagnetism use magnetic minerals to investigate the history of the earth's magnetic field and its formation from molten metal flowing within the earth's core, the so - called geodynamo.