Study magnetic fields as reflected in minerals and other archaeological evidence, with PuffinPlot
PuffinPlot is a free program you can use to study magnetic fields with data coming from sediments, rocks and minerals.
The program lets you understand magnetic fields and their unusual patterns, locate past tectonic plates, predict and study geological movements.
PuffinPlot features also some automation you can take advantage of, such as plots and functions frequently used in this sort of studies, letting you calculate orientation, magnetic parameters, declination, etc.
PuffinPlot is able to export your documents in several formats, such as PDF, CSV and SVG.