The Poopó Polymetallic Epithermal Deposit, Bolivia: Mineralogy, Genetic Constraints, and Distribution of Critical Elements
Abstract
:1. Introduction
2. Geology
3. Methodology
4. Mineralogy
4.1. Alteration Assemblages
4.2. Mineralogy of the Veins
Vein Minerals
4.3. Paragenetic Sequence
5. Mineral Chemistry
6. Sulphur Isotopes
7. Discussion
7.1. Type of Deposit and Conditions of Formation
7.2. Sources for Sulphur
7.3. Distribution of Strategic Elements in the Deposit
8. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Mineral | Label | 115In | 1σ | 69Ga | 1σ |
---|---|---|---|---|---|
sphalerite | P1-B-32 | 269 | 65 | 110 | 85 |
P2-A-37 | 1030 | 180 | 140 | 35 | |
P2-B-40 | 2360 | 170 | 246 | 18 | |
P2-C-46 | 949 | 84 | 233 | 21 | |
P2-D-48 | 2520 | 80 | 340 | 11 | |
P3-A-49 | 10,500 | 340 | 1360 | 46 | |
P3-B-52 | 3640 | 110 | 717 | 22 | |
P3-B-53 | 5750 | 190 | 1280 | 45 | |
P4-A-67 | 1120 | 220 | 380 | 75 | |
P4-B-70 | 779 | 170 | 608 | 120 | |
P4-D-73 | 1850 | 390 | 565 | 120 | |
P4-E-75 | 5010 | 1200 | 599 | 140 | |
P5-A-77 | 3230 | 750 | 463 | 110 | |
P6-A-81 | 360 | 95 | 447 | 110 | |
P6-A-82 | 457 | 120 | 260 | 74 | |
P7-A-84 | 1610 | 110 | 166 | 12 | |
P7-B-86 | 1300 | 92 | 289 | 23 | |
P8-A-88 | 809 | 65 | 478 | 40 | |
P9-A-93 | 203 | 19 | 246 | 25 | |
P9-B-96 | 1850 | 190 | 769 | 85 | |
P9-B-97 | 307 | 34 | 266 | 31 | |
P10-A-147 | 269 | 73 | 164 | 46 | |
P10-B-149 | 1120 | 380 | 146 | 47 | |
P10-C-152 | 482 | 200 | 116 | 50 | |
P11-B-156 | 3870 | 1100 | <dl | - | |
P11-C-157 | 3780 | 1200 | 508 | 100 | |
stannite | P1-C-34 | 368 | 23 | 199 | 13 |
P2-B-41 | 2400 | 200 | 85.7 | 7.1 | |
P2-D-47 | 3140 | 290 | 53.8 | 5.1 | |
P8-B-91 | 1090 | 94 | 0.90 | 0.094 | |
P9-A-94 | 2820 | 380 | 10.9 | 0.96 | |
P10-C-153 | 2650 | 1400 | 46.4 | 24 | |
P11-C-158 | 11,100 | 3200 | 38.9 | 13 | |
P11-D-159 | 8040 | 2400 | 22.9 | 6.5 | |
rhodostannite | P4-A-68 | 6070 | 1200 | 377 | 74 |
P4-B-69 | 5160 | 1000 | 239 | 48 | |
P4-D-72 | 6030 | 1300 | 441 | 95 | |
P4-E-76 | 5800 | 1300 | 316 | 81 | |
P7-B-87 | 1240 | 260 | 241 | 10 | |
teallite | P5-B-80 | 10,800 | 2900 | 108 | 23 |
P8-A-89 | 1480 | 120 | 54.0 | 6.0 | |
P8-A-90 | 1220 | 98 | 10.3 | 2.2 | |
P9-A-95 | 1460 | 150 | 0.76 | 0.096 | |
cassiterite | P1-B-33 | 3530 | 130 | 24.3 | 0.38 |
P2-A-39 | 3070 | 110 | 8.95 | 1.4 | |
P2-B-42 | 4280 | 150 | 157 | 16 | |
P10-B-150 | 18,3000 | 1900 | 3060 | 306 |
Sample | Mineral | δ34SVCDT (‰) |
---|---|---|
P1 | chalcopyrite | −4.8 |
P6 | pyrite | −3.7 |
P7 | pyrite | −3.4 |
sphalerite | −2.8 | |
P8 | pyrite | −4.1 |
sphalerite | −3.2 | |
chalcopyrite | −4.2 | |
P11 | pyrite | −4.2 |
sphalerite | −5.8 | |
P12 | pyrite | −4.6 |
sphalerite | −5.5 | |
P13 | sphalerite | −5.4 |
P19 | pyrite | −4.5 |
galena | −5.9 | |
P22 | pyrite | −5.4 |
sphalerite | −4.6 | |
P23 | sphalerite | −4.4 |
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Torres, B.; Melgarejo, J.-C.; Torró, L.; Camprubí, A.; Castillo-Oliver, M.; Artiaga, D.; Campeny, M.; Tauler, E.; Jiménez-Franco, A.; Alfonso, P.; et al. The Poopó Polymetallic Epithermal Deposit, Bolivia: Mineralogy, Genetic Constraints, and Distribution of Critical Elements. Minerals 2019, 9, 472. https://doi.org/10.3390/min9080472
Torres B, Melgarejo J-C, Torró L, Camprubí A, Castillo-Oliver M, Artiaga D, Campeny M, Tauler E, Jiménez-Franco A, Alfonso P, et al. The Poopó Polymetallic Epithermal Deposit, Bolivia: Mineralogy, Genetic Constraints, and Distribution of Critical Elements. Minerals. 2019; 9(8):472. https://doi.org/10.3390/min9080472
Chicago/Turabian StyleTorres, Belén, Joan-Carles Melgarejo, Lisard Torró, Antoni Camprubí, Montgarri Castillo-Oliver, David Artiaga, Marc Campeny, Esperança Tauler, Abigail Jiménez-Franco, Pura Alfonso, and et al. 2019. "The Poopó Polymetallic Epithermal Deposit, Bolivia: Mineralogy, Genetic Constraints, and Distribution of Critical Elements" Minerals 9, no. 8: 472. https://doi.org/10.3390/min9080472