Table 5 Concentration of radiogenic elements of rocks from Rivière–à-Pierre suite in the Parc des Laurentides domain

Amphibolite (1)

0.8

3

0.78

Charnockite (5)

–

–

2.94–4.25

Gabbro (2)

0.5–0.7

3

2.25–4.57

Granite (16)

0.5–1.9

2.2–14

1.37–5.48

Granitic gneiss (7)

0.5–1.8

3–4.1

0.99–3.87

Mangerite (5)

0.5–1.0

2.1–2.2

2.17–3.44

Quartz-monzonite (7)

0.5–1.2

3–10

4.23–5.14

Quartzite (1)

1.7

3

4.26

Bulk rock

0.5–1.9 (1.18)

2.1–14 (4.05)

0.78–5.48 (3.55)