Table 1 Contents of H₂, He, and mols of gas measured in samples of old and young basement, and sediments with old and young provenance

Old basement

JP210 Devon Is

Granite

1.4 * −09

nd

~1.9 Ga

[36]

JP212 White Sea, Karelia

Granite

6.1 * −10

3.6

~2.8 Ga

[37, 38]

JP219 Chiobino, Karelia

Granite

6.4 * −11

3.6

~2.8 Ga

[37, 38]

JP200 Ceannabeinne

Gneiss

3.3 * −10

2.0

~3.1 Ga

[39]

JP201 South Harris gneiss

Gneiss

1.9 * −10

0.6

1.88 Ga

[39]

JP147 Creighton, Sudbury

Granite

5.4 * −11

5.3

2.33 Ga

[40, 41]

JP177 North Uist gneiss

Gneiss

3.1 * −11

2.7

~3.1 Ga

[39]

JP92 Devon Is

Granite

2.5 * −09

nd

~1.9 Ga

[36]

JP169 Barra

Gneiss

5.7 * −10

2.7

~3.1 Ga

[39]

JP139 Moeda Fm

Conglomerate

5.5 * −10

0.6

~2.5 Ga

[42]

8852 Tarkwa

Conglomerate

3.1 * −10

1.7

2.06 Ga

[43, 44]

9293 Shaw batholith (Aus)

Gneiss

9.3 * −11

2.1

3.45 Ga

[45]

9299 Mt Edgar batholith (Aus)

Gneiss

8.3 * −11

2.4

3.3 Ga

[46]

9298 Swaziland Ngwane gneiss

Gneiss

1.2 * −10

3.4

~3.5 Ga

[47]

9300 MSC105 Acasta TTG

Gneiss

1.7 * −10

0.4

~4.0 Ga

[48]

9301 MSC110 Acasta TTG

Gneiss

3.0 * −10

0.4

3.96 Ga

[49]

JP221 Gawler Craton (Aus)

Gneiss

2.0 * −10

3.2

~2.5 Ga

[50]

JP224 Cullen (Aus)

Granite

3.0 * −10

5.0

1.76 Ga

[51]

JP233 Bass Lake Ontario

Granite

1.8 * −10

nd

~2.7 Ga

[52]

KV3 Kaap Valley pluton SA

Tonalite

8.4 * −11

1.3

3.2 Ga

[53]

JP236 Rhinns Complex

Syenite

1.1 * −10

5.0

1.78 Ga

[54, 55]

JP246 Nuuk, Greenland

Granite–gneiss

1.1 * −10

0.8

~3.05 Ga

[56]

JP249 Gairloch Pier

Granite

2.4 * −10

2.2

1.9 Ga

[57, 58]

JP262 Nanortalik, Greenland

Gneiss

1.4 * −10

4.0

~1.8 Ga

[59, 60]

KCL19 Liangchen, N China

Granulite

7.1 * −11

3.62

~2.5 Ga

[61]

Young basement

JP205 Tibet

Granite

7.1 * −10

4.3

~50 Ma

[62]

JP206 Tibet

Granite

2.9 * −10

4.3

~50 Ma

[62]

JP207 Antarctic

Granodiorite

1.5 * −10

3.1

167 Ma

[63, 64]

JP208 Antarctic

Granodiorite

1.4 * −10

4.7

167 Ma

[63, 64]

JP209 Antarctic

Granodiorite

3.7 * −10

3.9

167 Ma

[63, 64]

JP214 Nigeria

Granite

2.0 * −09

4.5

~160 Ma

[65]

JP215 Nigeria

Granite

6.8 * −09

4.7

~160 Ma

[65]

JP216 Fiji

Granite

1.1 * −10

1.2

~15 Ma

[66]

JP218 Ireland

Granite

3.1 * −10

4.8

56 Ma

[67, 68]

9292 Chuqui, Chile

Granodiorite

5.1 * −10

~6.0

36 Ma

[69, 70]

9305 New Mexico Sugar Loaf

Grandiorite

6.7 * −11

3.9

35 Ma

[71]

JP223 Arran

Granite

1.3 * −10

4.9

60 Ma

[67, 72]

JP232 Brazil

Syenite

4.9 * −11

8.0

79 Ma

[73]

JP234 Peru

Granodiorite

8.2 * −11

3.6

~10 Ma

[74]

JP229 Skye

Granite

3.0 * −10

4.5

59 Ma

[72, 75]

JP238 Montana

Syenite

1.1 * −10

6.5

~52 Ma

[76]

NB New Mexico Questa

Granite

1.7 * −10

3.9

19 Ma

[77]

9291 El Abra Chile

Granodiorite (U minztn)

2.3 * −10

37 Ma

[78, 79]

Sediments with old provenance

JP247 Gairloch Pier

2.6 * −10

JP243A Portnahaven

1.6 * −10

JP248 Laxford

2.4 * −10

Sediments with young provenance

JP242A Red Cuillin, Skye

5.8 * −11

JP244 Bloody Bridge

3.9 * −10

JP245 Glen Sannox

4.4 * −09