Reconstruction of the deformation history of an active fault: implications from the Atera Fault, Central Japan

Earth, Planets and Space

Table 3 K–Ar standards and airshot data

CSIRO ID	K	Rad. 40Ar	Rad. 40Ar	Age*	Error	Remark
Standard	(%)	(mol/g)	(%)	(Ma)	(Ma)	% error to references
HD-B1-154	7.96	3.4055E-10	92.16	24.51	0.33	1.24
HD-B1-157	7.96	3.3524E-10	90.12	24.13	0.32	-0.33
HD-B1-156	7.96	3.4037E-10	91.30	24.50	1.38	1.20
LP6-171	8.37	1.9222E-09	97.12	127.77	1.64	-0.10
LP6-170	8.37	1.9144E-09	97.00	127.27	1.31	-0.49

References HD-B1 (Hess and Lippolt 1994), LP6 (Odin et al., 1982), airshot (Steiger and Jäger 1977)