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1
Ice CoreSample Depth (m)Age (kyr)dAr/N2,original (‰)
dAr/N2,corrected for insolation (‰)
dAr/N2,corrected for insolation and bubble close-off/lab offsets (‰)
2
Vostok2761.0243.5-4.2-5.5-0.7
3
Vostok2770.0245.2-3.7-4.50.3
4
Vostok2776.0246.4-3.0-3.51.3
5
Vostok2785.0248.2-4.4-4.20.6
6
Vostok2794.0250.0-7.5-6.9-2.1
7
Vostok2800.0251.3-6.7-5.9-1.1
8
Vostok2809.0253.1-6.1-5.2-0.4
9
Vostok2818.0255.9-5.7-5.1-0.3
10
Vostok2826.0258.3-4.3-4.20.6
11
Vostok2833.0260.5-5.5-5.9-1.2
12
Vostok2842.0263.3-4.6-5.6-0.8
13
Vostok2851.0266.2-2.7-4.10.7
14
Vostok2857.0268.1-3.5-4.9-0.1
15
Vostok2867.0271.1-5.1-6.3-1.6
16
Vostok2875.0273.6-3.1-4.00.8
17
Vostok2883.0276.1-4.8-5.3-0.5
18
Vostok2889.0278.0-5.0-5.1-0.4
19
Vostok2898.0280.8-4.7-4.70.1
20
Vostok2907.0283.2-5.0-5.1-0.4
21
Vostok2916.0285.5-4.3-4.80.0
22
Vostok2922.0287.1-4.9-5.6-0.9
23
Vostok2931.0289.5-2.7-3.71.1
24
Vostok2940.0291.8-2.9-3.90.9
25
Vostok2946.0293.1-5.3-6.2-1.4
26
Vostok2955.0295.1-3.6-4.20.6
27
Vostok2963.0297.0-4.9-5.0-0.2
28
Vostok2969.0298.3-5.0-4.70.1
29
Vostok2978.0300.4-6.2-5.6-0.9
30
Vostok2987.0302.7-5.9-5.3-0.5
31
Vostok2993.0304.4-4.2-3.90.9
32
Vostok3002.0306.9-3.9-4.30.5
33
Vostok3011.0309.4-3.4-4.70.1
34
Vostok3017.0311.1-3.7-5.4-0.6
35
Vostok3026.0313.8-4.0-5.8-1.1
36
Vostok3035.0316.7-3.9-5.3-0.5
37
Vostok3041.0318.7-4.3-5.0-0.2
38
Vostok3050.0321.8-5.2-5.0-0.2
39
Vostok3059.0324.8-5.1-4.50.3
40
Vostok3065.0325.9-4.9-4.30.4
41
Vostok3083.0329.1-4.8-4.9-0.1
42
Vostok3089.0330.2-6.6-6.9-2.1
43
Vostok3098.0331.9-6.3-6.9-2.1
44
Vostok3107.0333.6-5.6-6.4-1.6
45
Vostok3113.0334.7-4.0-4.9-0.1
46
Vostok3122.0337.0-4.9-5.7-0.9
47
Vostok3128.0338.7-4.3-4.8-0.1
48
Vostok3140.0342.0-4.9-5.0-0.2
49
Vostok3145.0343.3-4.1-4.10.7
50
Vostok3152.0346.2-6.0-6.2-1.4
51
Vostok3158.0348.9-4.2-4.9-0.2
52
Vostok3161.0350.2-4.1-5.1-0.4
53
Vostok3170.0354.2-4.3-5.8-1.0
54
Vostok3176.0357.0-4.7-6.0-1.2
55
Vostok3182.0359.7-5.3-6.1-1.3
56
Vostok3188.0362.5-7.4-7.6-2.8
57
Vostok3194.0365.4-6.5-6.5-1.7
58
Vostok3197.0366.8-7.1-7.0-2.3
59
Vostok3206.0371.1-6.5-6.6-1.8
60
Vostok3209.0372.5-5.7-5.8-1.1
61
Dome C2808.4449.7-9.5-9.5-2.6
62
Dome C2812.8452.9-8.0-7.9-1.1
63
Dome C2821.6458.5-10.1-10.1-3.3
64
Dome C2826.0461.1-9.6-9.7-2.9
65
Dome C2830.4463.7-7.7-8.0-1.1
66
Dome C2834.8469.3-7.8-8.0-1.1
67
Dome C2839.2476.5-8.5-8.5-1.6
68
Dome C2852.4484.9-8.5-8.9-2.0
69
Dome C2856.8487.7-8.2-8.4-1.5
70
Dome C2865.6493.4-5.9-5.81.1
71
Dome C2870.0496.2-6.4-6.20.7
72
Dome C2874.4499.0-6.9-6.80.0
73
Dome C2883.2504.6-7.5-7.9-1.0
74
Dome C2887.6507.4-6.7-7.1-0.2
75
Dome C2892.0508.7-5.9-6.20.6
76
Dome C2896.4509.9-6.5-6.80.1
77
Dome C2900.8511.1-6.8-7.0-0.1
78
Dome C2905.2512.3-6.3-6.50.4
79
Dome C2914.0514.7-8.7-8.8-1.9
80
Dome C2918.4516.5-7.0-7.1-0.2
81
Dome C2922.8528.5-5.0-5.21.7
82
Dome C2931.6537.5-6.0-6.00.8
83
Dome C2940.4549.0-8.2-8.3-1.4
84
Dome C2953.6560.8-7.4-7.7-0.8
85
Dome C2966.8574.3-10.3-10.5-3.6
86
Dome C2975.6580.0-6.3-6.60.3
87
Dome C2980.0582.7-8.3-8.4-1.5
88
Dome C2984.4586.7-9.0-8.9-2.0
89
Dome C3002.0604.2-8.8-9.1-2.2
90
Dome C3006.4608.3-9.7-9.6-2.7
91
Dome C3010.8612.3-6.5-6.40.5
92
Dome C3019.6620.2-8.6-8.9-2.1
93
Dome C3028.4630.0-7.0-7.0-0.1
94
Dome C3032.8634.0-7.7-7.7-0.9
95
Dome C3037.2637.6-6.8-6.9-0.1
96
Dome C3041.6641.5-6.8-7.0-0.1
97
Dome C3046.0645.3-8.5-8.7-1.9
98
Dome C3050.4650.1-7.3-7.5-0.6
99
Dome C3054.8655.0-6.4-6.40.4
100
Dome C3059.2659.9-8.2-8.0-1.2