Millennial-scale variability of East Asian summer monsoon inferred from sea surface salinity in the northern East China Sea (ECS) and its impact on the Japan Sea during Marine Isotope Stage (MIS) 3

Progress in Earth and Planetary Science

Table 1 Results of tephra analyses

Sample ID	Sub-bottom depth (cm)	Glass type	Heavy minerals	Glass morphology	Refractive Index of glass shard				Correlation
Sample ID	Sub-bottom depth (cm)	Glass type	Heavy minerals	Glass morphology	Maximum	Minimum	Mean	Mode	Correlation
KRP10650	98–118	bw > > pm	Opx, Opq, Cpx	H > T, C	1.5102	1.5198	1.5123	1.511	K-Ah
KRP10711	170–172	pm	Opx, Cpx, Opq (Ap, GHb)	T, C, H	1.5067	1.5102	1.509	1.509	S-Sz
KRP11507	947.5–990.3	bw > > pm	Opx, GHb, Ap, Cpx, Bt	H > T, C	1.4982	1.5011	1.5001	1.5	AT

Glass type: bw bubble-wall type, pm pumice type. Heavy minerals: Opx orthopyroxene, Cpx clinopyroxene, GHb green hornblende, Opq opaque minerals, Bt biotite, At apatite. Glass morphology (after Yoshikawa 1976): H large broken bubble-wall type, T fibrous and pumice type, C intermediate type