Figure F39. Examples of isothermal remanent magnetization (IRM) acquisition and demagnetization (backfield IRM) used to calculate coercivity of remanence from Hole 1205A basalt samples. SD = single domain, MD = multidomain. A. Sample 197-1205A-14R-2, 16-18 cm. B. Sample 197-1205A-19R-4, 143-145 cm. C. Sample 197-1205A-24R-2, 141-143 cm. D. Sample 197-1205A-27R-4, 44-46 cm. E. Sample 197-1205A-29R-3, 114-116 cm. F. Sample 197-1205A-35R-2, 36-38 cm.