Table 1 Radiocarbon age determinations for cores PS81/265-1 and GC666, from the South Georgia shelf.

From: Major advance of South Georgia glaciers during the Antarctic Cold Reversal following extensive sub-Antarctic glaciation

Sample details

Conventional ages

Marine13 calibration

Core

Depth (cm)

Carbonate Source

Age (yr)

±Age Error (yr)

Reservoir Effect (yr)

Min (cal yr BP)

Max (cal yr BP)

Median (cal yr BP)

Lab Code

GC666

0

benthic forams

1,186

65

1,108±61

0

266

124

ETH-51517.1

GC666

0

benthic forams

1,030

56

1,108±61

0

259

122

ETH-51517.2

GC666

388

gastropod

11,926

80

1,108±61

12,557

12,912

12,712

ETH-51518.1

GC666

388

gastropod

11,726

109

1,108±61

12,114

12,756

12,527

ETH-51518.2

GC666

490

benthic forams

13,370

89

1,108±61

13,885

14,758

14,231

ETH-51519.1

GC666

490

benthic forams

13,105

136

1,108±61

13,477

14,226

13,874

ETH-51519.2

GC666

510

shell fragments

13,301

135

1,108±61

13,734

14,799

14,145

ETH-51520

GC666

510

benthic forams

12,005

275

1,108±61

12,275

13,455

12,865

ETH-51521

GC666

815

benthic forams

13,572

211

1,108±61

13,918

15,321

14,628

ETH-51522

GC666

815

planktic forams

13,896

492

1,108±61

13,702

16,589

15,143

ETH-51523

PS81/265-1

204–207

benthic forams

3,270

30

1,108±61

2,040

2,392

2,228

BETA-402960

PS81/265-1

228–238

benthic forams

10,440

40

1,108±61

10,437

10,867

10,637

BETA-449408

PS81/265-1

251–254

benthic forams

12,590

40

1,108±61

13,195

13,491

13,344

BETA-444223

PS81/265-1

256–260

benthic forams

9,840

40

1,108±61

9,645

10,140

9,891

BETA-444224

PS81/265-1

305.5

gastropod

13,850

40

1,108±61

14,857

15,432

15,174

BETA-402961

  1. Bold text highlights the median age used in the text.
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