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Table 2 Mean values of U (ppm), Th (ppm) and K (%), and Th/U and K/U ratios and their standard deviations for granite plutons in the Sierras de Córdoba
From: Radiogenic heat production in granitoids from the Sierras de Córdoba, Argentina
Granitoid | No. of samples | U (ppm) | Th (ppm) | K (%) | Th/U | K/U |
|---|---|---|---|---|---|---|
Achala batholith (AB) | 36 | 5.89 ± 4.16 | 30.35 ± 23.57 | 4.17 ± 0.49 | 6.02 ± 5.53 | 0.90 ± 0.35 |
Capilla del Monte pluton (CMP) | 10 | 8.29 ± 3.48 | 29.96 ± 21.26 | 3.99 ± 0.58 | 4.41 ± 3.54 | 0.55 ± 0.22 |
Cerro Aspero batholith (CAB) | 5 | 4.00 ± 2.12 | 33.40 ± 25.02 | 4.31 ± 0.43 | 9.77 ± 6.50 | 1.36 ± 0.68 |
Inti Huasi granite (IGG) | 7 | 3.90 ± 0.78 | 14.36 ± 7.92 | 3.98 ± 0.15 | 3.54 ± 1.53 | 1.06 ± 0.24 |
Loma de la Población pluton (LoPP) | 4 | 7.50 ± 6.56 | 16.25 ± 7.89 | 3.80 ± 0.08 | 3.36 ± 2.06 | 0.87 ± 0.70 |
Serrezuela pluton (SP) | 13 | 5.36 ± 4.19 | 27.79 ± 14.57 | 3.97 ± 0.67 | 8.56 ± 6.12 | 1.73 ± 1.82 |
La Playa pluton (LPP) | 16 | 2.23 ± 1.45 | 5.64 ± 3.46 | 2.52 ± 0.79 | 3.23 ± 2.49 | 1.57 ± 0.88 |
Güiraldes pluton (GP) | 9 | 0.62 ± 0.40 | 5.41 ± 2.25 | 1.46 ± 0.31 | 13.75 ± 14.41 | 3.64 ± 3.84 |
La Fronda pluton (LFP) | 4 | 0.33 ± 0.21 | 3.98 ± 0.75 | 0.76 ± 0.14 | 19.13 ± 17.49 | 3.60 ± 3.18 |
San Agustín pluton (SAP) | 3 | 0.60 ± 0.10 | 0.77 ± 0.31 | 0.55 ± 0.03 | 1.25 ± 0.29 | 0.93 ± 0.11 |
Sierra Norte batholith (SNB) | 57 | 2.89 ± 2.19 | 14.75 ± 8.38 | 3.15 ± 0.90 | 6.94 ± 7.02 | 1.79 ± 1.89 |
Mean value | 164* | 3.78 ± 2.33 | 16.60 ± 10.49 | 2.97 ± 0.42 | 7.27 ± 6.09 | 1.64 ± 1.26 |