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Table T3. Summary statistics derived from analysis of grain size data from 69 visible tephra layers using GRADISTAT software (Blott and Pye, 2001). Parameters are determined according to the Folk and Ward (1957) method and reported here as values of φ.

Hole, core, section,
interval (cm) 		Distribution
type 		Sediment name Mean
(MZ) 		Sorting
(σI) 		Skewness
(SkI) 		Kurtosis
(KG)
U1396A-1H-2, 34–36 Unimodal Moderately sorted medium sand 2.02 0.84 0.06 0.92
U1396A-1H-2, 112–113 Bimodal Moderately sorted coarse sand 0.71 0.90 0.06 0.95
U1396A-1H-3, 75–76 Unimodal Moderately sorted very fine sand 2.91 0.79 –0.36 0.93
U1396A-1H-3, 77–79 Bimodal Poorly sorted medium sand 1.73 1.09 0.13 0.85
U1396A-1H-3, 82–83 Unimodal Moderately well sorted fine sand 2.82 0.66 –0.07 0.85
U1396B-2H-1, 134–136 Bimodal Poorly sorted medium sand 1.97 1.12 0.23 0.64
U1396B-2H-3, 111–112 Unimodal Moderately well sorted medium sand 0.98 0.67 –0.04 0.97
U1396B-2H-4, 81–82 Bimodal Moderately sorted medium sand 1.72 0.75 0.13 1.01
U1396B-2H-4, 91–92 Bimodal Poorly sorted medium sand 1.32 1.15 –0.10 1.01
U1396B-2H-5, 106–107 Trimodal Moderately sorted medium sand 1.33 0.91 0.19 1.23
U1396B-2H-5, 109–110 Unimodal Moderately well sorted coarse sand 0.43 0.64 0.02 0.98
U1396B-2H-7, 5–6 Unimodal Moderately sorted fine sand 2.42 0.79 –0.07 0.92
U1396B-2H-7, 13–14 Bimodal Poorly sorted coarse sand 1.29 1.43 0.32 0.83
U1396B-2H-7, 17–18 Polymodal Poorly sorted very fine sand 1.94 1.33 –0.08 0.67
U1396B-2H-7, 57–59 Unimodal Moderately sorted fine sand 2.57 0.79 –0.11 0.92
U1396B-2H-7, 65–67 Trimodal Poorly sorted fine sand 2.17 1.00 –0.09 0.85
U1396A-3H-2, 39–40 Unimodal Moderately well sorted very fine sand 2.97 0.64 –0.21 0.92
U1396A-3H-2, 74–76 Bimodal Moderately sorted coarse sand 0.91 0.93 0.17 1.14
U1396A-3H-2, 84–86 Bimodal Moderately sorted coarse sand 0.88 0.94 0.02 0.98
U1396A-3H-2, 88–90 Bimodal Moderately sorted medium sand 1.34 0.80 0.08 1.00
U1396A-3H-2, 107–109 Unimodal Moderately sorted medium sand 1.15 0.71 0.01 0.97
U1396A-3H-2, 113–114 Trimodal Poorly sorted medium sand 2.31 1.01 0.12 0.70
U1396A-3H-3, 82–84 Bimodal Poorly sorted very fine sand 2.21 1.11 0.08 0.61
U1396A-3H-3, 119–120 Unimodal Moderately well sorted medium sand 1.03 0.53 0.05 1.00
U1396A-3H-3, 122–123 Unimodal Moderately well sorted coarse sand 0.33 0.65 –0.01 0.94
U1396A-3H-4, 15–17 Bimodal Poorly sorted medium sand 1.79 1.17 0.37 0.72
U1396A-3H-4, 45–47 Bimodal Poorly sorted coarse sand 1.56 1.11 0.30 0.85
U1396A-4H-2, 69–70 Bimodal Moderately sorted medium sand 1.25 0.84 0.31 1.31
U1396A-4H-2, 90–92 Trimodal Moderately sorted coarse sand 0.88 0.97 0.26 1.46
U1396A-4H-2, 137–139 Bimodal Poorly sorted medium sand 1.95 1.01 0.05 0.89
U1396A-4H-3, 6–7 Trimodal Poorly sorted medium sand 2.03 1.07 0.35 0.75
U1396A-4H-3, 16–18 Bimodal Moderately well sorted medium sand 1.30 0.67 0.05 0.96
U1396A-4H-3, 55–57 Unimodal Moderately well sorted medium sand 1.17 0.65 –0.03 0.96
U1396A-4H-5, 23–25 Unimodal Moderately sorted very fine sand 2.91 0.72 –0.25 0.95
U1396A-4H-7, 68–70 Bimodal Poorly sorted coarse sand 1.87 1.18 0.30 0.65
U1396A-4H-7, 73–75 Bimodal Poorly sorted coarse sand 1.21 1.41 0.38 1.10
U1396A-5H-1, 19–21 Trimodal Poorly sorted medium sand 1.79 1.24 0.07 0.81
U1396A-5H-1, 30–32 Bimodal Poorly sorted coarse sand 1.32 1.46 0.34 0.71
U1396A-5H-1, 35–37 Bimodal Moderately sorted very fine sand 2.84 0.87 –0.41 0.84
U1396A-5H-1, 43–45 Bimodal Poorly sorted coarse sand 0.49 1.02 0.28 1.39
U1396A-5H-1, 46–47 Bimodal Moderately sorted coarse sand 0.89 0.82 0.22 1.32
U1396A-5H-1, 53–54 Bimodal Moderately sorted coarse sand 0.97 0.95 0.32 1.36
U1396A-5H-1, 59–61 Unimodal Moderately sorted coarse sand 0.82 0.90 0.25 1.37
U1396A-5H-1, 65–66 Trimodal Poorly sorted fine sand 2.29 1.02 –0.12 0.78
U1396A-5H-1, 68–69 Bimodal Poorly sorted coarse sand 1.24 1.48 0.35 0.76
U1396A-5H-2, 76–77 Unimodal Moderately sorted very fine sand 2.80 0.73 –0.11 0.75
U1396A-5H-5, 32–33 Bimodal Moderately sorted medium sand 1.39 0.88 0.34 1.30
U1396A-5H-6, 44–45 Unimodal Moderately well sorted very fine sand 3.01 0.56 –0.11 0.86
U1396A-6H-4, 18–19 Unimodal Moderately well sorted very fine sand 2.95 0.67 –0.21 0.91
U1396A-6H-4, 47–48 Trimodal Moderately sorted medium sand 2.22 0.99 0.25 0.71
U1396A-6H-4, 61–62 Bimodal Moderately sorted medium sand 2.03 0.80 0.15 1.02
U1396A-6H-4, 70–71 Bimodal Moderately sorted medium sand 2.03 0.78 0.11 0.97
U1396A-6H-4, 77–78 Unimodal Moderately sorted very coarse sand -0.12 0.76 0.34 2.07
U1396A-6H-4, 80–82 Unimodal Moderately sorted very coarse sand -0.03 0.77 0.30 1.81
U1396A-6H-4, 82–83 Unimodal Moderately well sorted medium sand 1.13 0.69 –0.02 0.96
U1396A-6H-4, 84–85 Unimodal Moderately well sorted coarse sand 0.90 0.52 0.01 0.95
U1396A-6H-4, 87–88 Unimodal Moderately well sorted coarse sand 0.56 0.52 –0.01 0.94
U1396A-6H-4, 90–92 Unimodal Moderately well sorted medium sand 1.16 0.55 0.17 1.06
U1396A-6H-4, 94–95 Unimodal Moderately well sorted fine sand 2.20 0.52 0.02 0.94
U1396A-6H-5, 50–51 Bimodal Moderately sorted coarse sand 0.97 0.88 0.16 1.15
U1396A-6H-5, 54–55 Bimodal Poorly sorted coarse sand 0.77 1.17 0.30 1.14
U1396A-6H-5, 58–59 Unimodal Moderately well sorted coarse sand 0.45 0.66 0.03 0.98
U1396A-6H-5, 144–145 Unimodal Moderately sorted very fine sand 2.88 0.74 –0.23 0.92
U1396A-6H-6, 3–4 Unimodal Very well sorted very fine sand 3.47 0.30 –0.25 0.84
U1396A-6H-6, 121–122 Unimodal Moderately well sorted fine sand 2.77 0.70 –0.07 0.84
U1396A-6H-6, 146–147 Unimodal Well sorted very fine sand 3.31 0.43 –0.28 0.87
U1396A-6H-7, 5–6 Unimodal Moderately well sorted very fine sand 2.97 0.67 –0.25 0.88
U1396A-6H-7, 35–36 Polymodal Poorly sorted fine sand 2.26 1.01 –0.04 0.79
U1396A-6H-7, 39–40 Bimodal Moderately sorted medium sand 1.59 0.92 0.12 1.02

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