Skip to main content
Swiss Journal of Geosciences

Table 6 U and Pb LA-ICP-MS zircon data of the Mn-rich quartzite VC10-04 from Chiusella Valley

From: The evolution of the Sesia Zone (Western Alps) from Carboniferous to Cretaceous: insights from zircon and allanite geochronology

Spot name

Concordia diagram

206Pb/238U

Age (Ma)

 ± 1σ

Comments

207Pb/235U

 ± 1σ %

206Pb/238U

 ± 1σ %

ρ

Chiusella Valley–VC10-04 Mn-rich quartzite

 04mrc11

0.316

3.813

0.043

0.884

0.15

273.6

2.7

Rim1

 04mrc13

0.334

3.850

0.043

1.134

0.12

274.4

3.1

Rim1

 03mrb06

0.317

2.707

0.044

0.758

0.08

276.9

2.8

Rim1

 03mrc11

0.323

2.601

0.044

0.689

0.09

277.7

3.9

Rim1

 03mrc07

0.315

2.987

0.044

0.884

0.10

280.6

2.8

Rim1

 03mrd12

0.335

3.044

0.045

0.820

0.11

281.6

2.8

Rim1

 04mrb11

0.312

2.735

0.045

0.782

0.09

283.8

2.8

Rim1

 03mrc06

0.306

6.537

0.041

1.846

0.28

261.6

4.8

Core

 04mrc14

0.289

4.820

0.042

1.465

0.14

263.7

3.9

Core

 03mrd06

0.309

2.542

0.043

1.010

0.07

268.3

2.7

Core

 03mrd11

0.320

2.020

0.043

0.904

0.03

273.8

2.7

Core

 04mrb07

0.315

3.365

0.044

0.836

0.13

275.0

2.8

Core

 03mrb07

0.320

2.652

0.044

0.828

0.06

275.5

2.8

Core

 03mrd07

0.314

2.519

0.044

1.086

0.05

276.7

3.0

Core

 04mrc12

0.316

3.701

0.044

0.875

0.14

276.8

2.8

Core

 04mrc06

0.326

6.074

0.044

1.408

0.18

277.7

2.8

Core

 04mrb13

0.307

2.570

0.044

0.656

0.09

278.2

2.8

Core

 03mrb05

0.316

4.493

0.044

1.195

0.14

279.1

3.3

Core

 03mrc10

0.335

4.174

0.044

1.182

0.14

279.3

3.3

Core

 04mrc05

0.311

4.540

0.045

1.191

0.15

281.7

3.4

Core

 03mrc12

0.333

3.994

0.045

1.151

0.13

282.0

3.2

Core

 04mrb05

0.317

2.670

0.045

0.907

0.08

282.6

2.8

Core

 04mrb12

0.311

2.530

0.045

0.576

0.09

284.4

2.8

Core

 04mrc07

0.315

3.913

0.045

0.908

0.15

286.4

2.9

Core

 04mrb06

0.334

2.480

0.045

0.833

0.07

286.5

2.9

Core

 03mrd05

0.334

2.777

0.046

1.233

0.07

288.5

3.6

Core

 03mrc05

0.333

4.204

0.046

1.205

0.13

291.8

3.5

Core

  1. Data were processed using Lamtool. The dates that were not used for the age calculations shown in Fig. 9 are reported in italics
Back to article page