Organic geochemistry and mineralogy suggest anthropogenic impact in speleothem chemistry from volcanic show caves of the Galapagos
20 páginas.- 8 figuras.- 1 tabla.- 94 referencias.- Supplemental information can be found online at https://doi.org/10.1016/j.isci.2022.104556
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2022-07-15
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20 páginas.- 8 figuras.- 1 tabla.- 94 referencias.- Supplemental information can be found online at https://doi.org/10.1016/j.isci.2022.104556 |
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European Commission Miller, A. Z. Jiménez Morillo, N. T. Coutinho, M. L. Gázquez, Fernando Palma, Vera Sauro, Francesco Pereira, M.F.C. Rull, Fernando Toulkeridis, Theofilos Caldeira, Ana Teresa Forti, Paolo Calaforra, José María |
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Miller, A. Z. Jiménez Morillo, N. T. Coutinho, M. L. Gázquez, Fernando Palma, Vera Sauro, Francesco Pereira, M.F.C. Rull, Fernando Toulkeridis, Theofilos Caldeira, Ana Teresa Forti, Paolo Calaforra, José María |
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Miller, A. Z. Jiménez Morillo, N. T. Coutinho, M. L. Gázquez, Fernando Palma, Vera Sauro, Francesco Pereira, M.F.C. Rull, Fernando Toulkeridis, Theofilos Caldeira, Ana Teresa Forti, Paolo Calaforra, José María Organic geochemistry and mineralogy suggest anthropogenic impact in speleothem chemistry from volcanic show caves of the Galapagos |
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Miller, A. Z. |
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Organic geochemistry and mineralogy suggest anthropogenic impact in speleothem chemistry from volcanic show caves of the Galapagos |
| title_short |
Organic geochemistry and mineralogy suggest anthropogenic impact in speleothem chemistry from volcanic show caves of the Galapagos |
| title_full |
Organic geochemistry and mineralogy suggest anthropogenic impact in speleothem chemistry from volcanic show caves of the Galapagos |
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Organic geochemistry and mineralogy suggest anthropogenic impact in speleothem chemistry from volcanic show caves of the Galapagos |
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Organic geochemistry and mineralogy suggest anthropogenic impact in speleothem chemistry from volcanic show caves of the Galapagos |
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organic geochemistry and mineralogy suggest anthropogenic impact in speleothem chemistry from volcanic show caves of the galapagos |
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Cell Press |
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2022-07-15 |
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http://hdl.handle.net/10261/279713 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100001871 |
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dig-irnas-es-10261-2797132022-11-04T17:34:52Z Organic geochemistry and mineralogy suggest anthropogenic impact in speleothem chemistry from volcanic show caves of the Galapagos Miller, A. Z. Jiménez Morillo, N. T. Coutinho, M. L. Gázquez, Fernando Palma, Vera Sauro, Francesco Pereira, M.F.C. Rull, Fernando Toulkeridis, Theofilos Caldeira, Ana Teresa Forti, Paolo Calaforra, José María European Commission Ministerio de Ciencia e Innovación (España) Agencia Estatal de Investigación (España) Fundação para a Ciência e a Tecnologia (Portugal) Universidad de Almería Miller, A. Z. [0000-0002-0553-8470] Jiménez Morillo, N. T. [0000-0001-5746-1922] Gázquez, Fernando [0000-0001-8258-1352] Sauro, Francesco [0000-0002-1878-0362] Pereira, M.F.C. [0000-0002-7932-8062] Toulkeridis, Theofilos [0000-0003-1903-7914] Caldeira, Ana Teresa [0000-0001-5409-6990] Calaforra, José María [0000-0001-7673-9950] 20 páginas.- 8 figuras.- 1 tabla.- 94 referencias.- Supplemental information can be found online at https://doi.org/10.1016/j.isci.2022.104556 The network of lava tubes is one of the most unexploited natural wonders of the Galapagos Islands. Here, we provide the first morphological, mineralogical, and biogeochemical assessment of speleothems from volcanic caves of the Galapagos to understand their structure, composition, and origin, as well as to identify organic molecules preserved in speleothems. Mineralogical analyses revealed that moonmilk and coralloid speleothems from Bellavista and Royal Palm Caves were composed of calcite, opal-A, and minor amounts of clay minerals. Extracellular polymeric substances, fossilized bacteria, silica microspheres, and cell imprints on siliceous minerals evidenced microbe-mineral interactions and biologically-mediated silica precipitation. Alternating depositional layers between siliceous and carbonate minerals and the detection of biomarkers of surface vegetation and anthropogenic stressors indicated environmental and anthropogenic changes (agriculture, human waste, and cave visits) on these unique underground resources. Stable isotope analysis and Py-GC/MS were key to robustly identify biomarkers, allowing for implementation of future protection policies. This research work received funding from the European Commission’s 7th Framework Programme under the Marie Curie Intra-European Fellowship PIEF-GA-2012-328689-DECAVE. The financial support from the Spanish Ministry of Science and Innovation (MCIN) under the research project TUBOLAN PID2019- 108672RJ-I00 funded by MCIN/AEI/10.13039/501100011033 is also acknowledged. In addition, this work received support from: i) the Portuguese Foundation for Science and Technology (FCT) under the MICROCENO project (PTDC/CTA-AMB/0608/2020), the EROFIRE project (PCIF-RPG-0079-2018) and the project UID/Multi/04449/2019 for HERCULES/UE. A.Z.M. was supported by the CEECIND/01147/2017 contract from FCT, and the Ramón y Cajal contract (RYC2019-026885-I) from the MCIN. M.L.C. and N.T.J.M. were supported by CEECIND/00349/2017 and 2021/00711/CEECIND contracts, respectively, funded by FCT. F.G. was financially supported by the ‘‘HIPATIA’’ research program of the University of Almería and a Ramón y Cajal Fellowship (RYC2020-029811-I) of MCIN. Peer reviewed 2022-09-23T08:28:55Z 2022-09-23T08:28:55Z 2022-07-15 artículo iScience 25(7) 104556 (2022) http://hdl.handle.net/10261/279713 10.1016/j.isci.2022.104556 2589-0042 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100001871 en #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/FP7/328689 info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-108672RJ-I00/ES/MICROBIOTA SUBTERRANEA Y BIOMINEROGENESIS EN TUBOS DE LAVA DE LANZAROTE: IMPLICACIONES PARA LA ASTROBIOLOGIA Y LA BIOTECNOLOGIA/ info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RYC2019-026885-I info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RYC2020-029811-I Publisher's version http://dx.doi.org/10.1016/j.isci.2022.104556 Sí open Cell Press |