Table 3

Amounts of CO2 produced by different lithologies from the Nepal Himalaya

Samplevol% Cb in protolithvol% Cb consumedwt% CO2 producedReference
(A)(B)(A)(B)
Dolomite series
 17b-1276 ± 0.772.9 ± 0.43.6This study
 17a-291410 ± 1.7115.2 ± 0.95.6This study
 15a-28a3114 ± 2.9106.9 ± 1.45.1This study
 18a-26*4010 ± 2.015.3 ± 0.90.5This study
 17b-10b801 ± 0.0400.6 ± 0.020This study
Magnesite series
 17a-36b7.57 ± 0.57.53.9 ± 0.34.2This study
 17a-351715 ± 1.7178.5 ± 1.09.7This study
 17b-7d§841 ± 0.01110.6 ± 0.016.2This study
Calcite series
 ‘Synthetic’ Cal333 ± 0.431.2 ± 0.21.2Rapa et al. (2017)
 ‘Synthetic’ Cal665 ± 0.862.3 ± 0.42.5Rapa et al. (2017)
 ‘Synthetic’ Cal998 ± 1.793.4 ± 0.73.7Groppo et al. (2017)
 ‘Synthetic’ Cal10109 ± 1.97.53.7 ± 0.83.1Groppo et al. (2017)
 14-53c (Cal-poor)1412 ± 2.8145.0 ± 1.15.9Groppo et al. (2021)
 14-53c (Cal-rich)2116 ± 4.2206.5 ± 1.88.4Groppo et al. (2021)
 ‘Synthetic’ Cal303016 ± 4.6126.8 ± 1.94.6Groppo et al. (2021)
 07–22 (Cpx-rich)3415 ± 4.1196.3 ± 1.78.0Groppo et al. (2022)
 07–22 (Cal-rich)4310 ± 2.3144.3 ± 0.95.9Groppo et al. (2022)
 ‘Synthetic’ Cal50507 ± 1.142.8 ± 0.41.6Groppo et al. (2022)
 ‘Synthetic’ Cal70702 ± 0.11.50.7 ± 0.10.6Groppo et al. (2022)
Samplevol% Cb in protolithvol% Cb consumedwt% CO2 producedReference
(A)(B)(A)(B)
Dolomite series
 17b-1276 ± 0.772.9 ± 0.43.6This study
 17a-291410 ± 1.7115.2 ± 0.95.6This study
 15a-28a3114 ± 2.9106.9 ± 1.45.1This study
 18a-26*4010 ± 2.015.3 ± 0.90.5This study
 17b-10b801 ± 0.0400.6 ± 0.020This study
Magnesite series
 17a-36b7.57 ± 0.57.53.9 ± 0.34.2This study
 17a-351715 ± 1.7178.5 ± 1.09.7This study
 17b-7d§841 ± 0.01110.6 ± 0.016.2This study
Calcite series
 ‘Synthetic’ Cal333 ± 0.431.2 ± 0.21.2Rapa et al. (2017)
 ‘Synthetic’ Cal665 ± 0.862.3 ± 0.42.5Rapa et al. (2017)
 ‘Synthetic’ Cal998 ± 1.793.4 ± 0.73.7Groppo et al. (2017)
 ‘Synthetic’ Cal10109 ± 1.97.53.7 ± 0.83.1Groppo et al. (2017)
 14-53c (Cal-poor)1412 ± 2.8145.0 ± 1.15.9Groppo et al. (2021)
 14-53c (Cal-rich)2116 ± 4.2206.5 ± 1.88.4Groppo et al. (2021)
 ‘Synthetic’ Cal303016 ± 4.6126.8 ± 1.94.6Groppo et al. (2021)
 07–22 (Cpx-rich)3415 ± 4.1196.3 ± 1.78.0Groppo et al. (2022)
 07–22 (Cal-rich)4310 ± 2.3144.3 ± 0.95.9Groppo et al. (2022)
 ‘Synthetic’ Cal50507 ± 1.142.8 ± 0.41.6Groppo et al. (2022)
 ‘Synthetic’ Cal70702 ± 0.11.50.7 ± 0.10.6Groppo et al. (2022)

(A) Average values inferred from the non-linear fitting of punctual data. (B) Punctual data constrained from the phase diagram modelling.

*Note that sample 18a-26 derives from a protolith extremely enriched in quartz and very poor in clay minerals, which explains its deviation from the average behaviour of the dolomite series.

§Note that an externally buffered behaviour has been inferred for sample 17b-7d, which explains its deviation from the average behaviour of the magnesite series.

Table 3

Amounts of CO2 produced by different lithologies from the Nepal Himalaya

Samplevol% Cb in protolithvol% Cb consumedwt% CO2 producedReference
(A)(B)(A)(B)
Dolomite series
 17b-1276 ± 0.772.9 ± 0.43.6This study
 17a-291410 ± 1.7115.2 ± 0.95.6This study
 15a-28a3114 ± 2.9106.9 ± 1.45.1This study
 18a-26*4010 ± 2.015.3 ± 0.90.5This study
 17b-10b801 ± 0.0400.6 ± 0.020This study
Magnesite series
 17a-36b7.57 ± 0.57.53.9 ± 0.34.2This study
 17a-351715 ± 1.7178.5 ± 1.09.7This study
 17b-7d§841 ± 0.01110.6 ± 0.016.2This study
Calcite series
 ‘Synthetic’ Cal333 ± 0.431.2 ± 0.21.2Rapa et al. (2017)
 ‘Synthetic’ Cal665 ± 0.862.3 ± 0.42.5Rapa et al. (2017)
 ‘Synthetic’ Cal998 ± 1.793.4 ± 0.73.7Groppo et al. (2017)
 ‘Synthetic’ Cal10109 ± 1.97.53.7 ± 0.83.1Groppo et al. (2017)
 14-53c (Cal-poor)1412 ± 2.8145.0 ± 1.15.9Groppo et al. (2021)
 14-53c (Cal-rich)2116 ± 4.2206.5 ± 1.88.4Groppo et al. (2021)
 ‘Synthetic’ Cal303016 ± 4.6126.8 ± 1.94.6Groppo et al. (2021)
 07–22 (Cpx-rich)3415 ± 4.1196.3 ± 1.78.0Groppo et al. (2022)
 07–22 (Cal-rich)4310 ± 2.3144.3 ± 0.95.9Groppo et al. (2022)
 ‘Synthetic’ Cal50507 ± 1.142.8 ± 0.41.6Groppo et al. (2022)
 ‘Synthetic’ Cal70702 ± 0.11.50.7 ± 0.10.6Groppo et al. (2022)
Samplevol% Cb in protolithvol% Cb consumedwt% CO2 producedReference
(A)(B)(A)(B)
Dolomite series
 17b-1276 ± 0.772.9 ± 0.43.6This study
 17a-291410 ± 1.7115.2 ± 0.95.6This study
 15a-28a3114 ± 2.9106.9 ± 1.45.1This study
 18a-26*4010 ± 2.015.3 ± 0.90.5This study
 17b-10b801 ± 0.0400.6 ± 0.020This study
Magnesite series
 17a-36b7.57 ± 0.57.53.9 ± 0.34.2This study
 17a-351715 ± 1.7178.5 ± 1.09.7This study
 17b-7d§841 ± 0.01110.6 ± 0.016.2This study
Calcite series
 ‘Synthetic’ Cal333 ± 0.431.2 ± 0.21.2Rapa et al. (2017)
 ‘Synthetic’ Cal665 ± 0.862.3 ± 0.42.5Rapa et al. (2017)
 ‘Synthetic’ Cal998 ± 1.793.4 ± 0.73.7Groppo et al. (2017)
 ‘Synthetic’ Cal10109 ± 1.97.53.7 ± 0.83.1Groppo et al. (2017)
 14-53c (Cal-poor)1412 ± 2.8145.0 ± 1.15.9Groppo et al. (2021)
 14-53c (Cal-rich)2116 ± 4.2206.5 ± 1.88.4Groppo et al. (2021)
 ‘Synthetic’ Cal303016 ± 4.6126.8 ± 1.94.6Groppo et al. (2021)
 07–22 (Cpx-rich)3415 ± 4.1196.3 ± 1.78.0Groppo et al. (2022)
 07–22 (Cal-rich)4310 ± 2.3144.3 ± 0.95.9Groppo et al. (2022)
 ‘Synthetic’ Cal50507 ± 1.142.8 ± 0.41.6Groppo et al. (2022)
 ‘Synthetic’ Cal70702 ± 0.11.50.7 ± 0.10.6Groppo et al. (2022)

(A) Average values inferred from the non-linear fitting of punctual data. (B) Punctual data constrained from the phase diagram modelling.

*Note that sample 18a-26 derives from a protolith extremely enriched in quartz and very poor in clay minerals, which explains its deviation from the average behaviour of the dolomite series.

§Note that an externally buffered behaviour has been inferred for sample 17b-7d, which explains its deviation from the average behaviour of the magnesite series.

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