Figure F48. Examples of isothermal remanent magnetization (IRM) acquisition and demagnetization (backfield IRM) used to calculate coercivity of remanence from Hole 1206A lava flow samples. A. Sample 197-1206A-3R-2, 99-101 cm. B. Sample 197-1206A-4R-5, 55-57 cm. C. Sample 197-1206A-9R-2, 29-31 cm. D. Sample 197-1206A-16R-5, 75-77 cm. E. Sample 197-1206A-22R-1, 117-119 cm. F. Sample 197-1206A-28R-1, 97-99 cm. DC = direct current.