Mineralogical characterization of fossil woods from the Las Cañas Formation (early Pliocene), Santiago del Estero, Argentina, mainly using SEM and EDX, XRD, FTIR and Confocal Raman spectroscopy
This study conducted physicochemical and mineralogical characterization of fossil angiosperm woods, from Neogene fluvial sedimentary deposits of the Dulce River (Termas de Río Hondo Sector), Santiago del Estero Province, Argentina. Chemical and instrumental analyses demonstrated that the early Plioc...
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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Elsevier
2025
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| Online Access: | http://hdl.handle.net/20.500.12123/24213 https://www.sciencedirect.com/science/article/abs/pii/S0895981125003414 https://doi.org/10.1016/j.jsames.2025.105679 |
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| author | Baez, Enrique Alberto Crisafulli, Alexandra Kanbour, Agustín Figueredo, Elsa Iris |
| author_browse | Baez, Enrique Alberto Crisafulli, Alexandra Figueredo, Elsa Iris Kanbour, Agustín |
| author_facet | Baez, Enrique Alberto Crisafulli, Alexandra Kanbour, Agustín Figueredo, Elsa Iris |
| author_sort | Baez, Enrique Alberto |
| collection | INTA Digital |
| description | This study conducted physicochemical and mineralogical characterization of fossil angiosperm woods, from Neogene fluvial sedimentary deposits of the Dulce River (Termas de Río Hondo Sector), Santiago del Estero Province, Argentina. Chemical and instrumental analyses demonstrated that the early Pliocene specimens comprise extensively mineralized silica polymorphs. In this work, X-ray diffraction (XRD) techniques combined with scanning electron microscopy (SEM) with backscattered electron detector (BSE) and spectroscopic techniques such as energy dispersive X-ray (EDX), confocal Raman (CRS) and Fourier transform infrared (FTIR) were applied. This research includes not only the physicochemical characterization of angiospermic logs, especially the indeterminate species of Vitaceae (Vitaceoxylon sp.) and Menendoxylon mesopotamiensis, but also studies the analysis of the regional geological environment that allows paleoenvironmental, paleoclimatic and paleobiogeographic inferences for the neogenic xylotaphoflora related to the outcrops of the Dulce River, in the transition between the Pampean Sierras of the Northwest (NW) and the basin of the Chaco-Pampean Plain, Argentina. |
| format | info:ar-repo/semantics/artículo |
| id | INTA24213 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA242132025-10-20T11:36:16Z Mineralogical characterization of fossil woods from the Las Cañas Formation (early Pliocene), Santiago del Estero, Argentina, mainly using SEM and EDX, XRD, FTIR and Confocal Raman spectroscopy Baez, Enrique Alberto Crisafulli, Alexandra Kanbour, Agustín Figueredo, Elsa Iris Madera Fósil Vegetal Plioceno Espectroscopia Mineralogía Wood Vegetal Fossils Pliocene Spectroscopy Mineralogy Santiago del Estero This study conducted physicochemical and mineralogical characterization of fossil angiosperm woods, from Neogene fluvial sedimentary deposits of the Dulce River (Termas de Río Hondo Sector), Santiago del Estero Province, Argentina. Chemical and instrumental analyses demonstrated that the early Pliocene specimens comprise extensively mineralized silica polymorphs. In this work, X-ray diffraction (XRD) techniques combined with scanning electron microscopy (SEM) with backscattered electron detector (BSE) and spectroscopic techniques such as energy dispersive X-ray (EDX), confocal Raman (CRS) and Fourier transform infrared (FTIR) were applied. This research includes not only the physicochemical characterization of angiospermic logs, especially the indeterminate species of Vitaceae (Vitaceoxylon sp.) and Menendoxylon mesopotamiensis, but also studies the analysis of the regional geological environment that allows paleoenvironmental, paleoclimatic and paleobiogeographic inferences for the neogenic xylotaphoflora related to the outcrops of the Dulce River, in the transition between the Pampean Sierras of the Northwest (NW) and the basin of the Chaco-Pampean Plain, Argentina. EEA Montecarlo Fil: Baez, Enrique Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Ecología Aplicada del Litoral; Argentina Fil: Baez, Enrique Alberto. Universidad Nacional del Nordeste. Centro de Ecología Aplicada del Litoral; Argentina Fil: Baez, Enrique Alberto. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas y Naturales y Agrimensura; Argentina Fil: Crisafulli, Alexandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Ecología Aplicada del Litoral; Argentina Fil: Crisafulli, Alexandra. Universidad Nacional del Nordeste. Centro de Ecología Aplicada del Litoral; Argentina Fil: Crisafulli, Alexandra. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas y Naturales y Agrimensura; Argentina Fil: Kanbour, Agustín. Universidad Nacional de Salta. Facultad de Ciencias Naturales; Argentina Fil: Figueredo, Iris. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Montecarlo; Argentina 2025-10-20T11:34:00Z 2025-10-20T11:34:00Z 2025-10 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/24213 https://www.sciencedirect.com/science/article/abs/pii/S0895981125003414 0895-9811 1873-0647 https://doi.org/10.1016/j.jsames.2025.105679 eng info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Elsevier Journal of South American Earth Sciences 165 : 105679. (October 2025) |
| spellingShingle | Madera Fósil Vegetal Plioceno Espectroscopia Mineralogía Wood Vegetal Fossils Pliocene Spectroscopy Mineralogy Santiago del Estero Baez, Enrique Alberto Crisafulli, Alexandra Kanbour, Agustín Figueredo, Elsa Iris Mineralogical characterization of fossil woods from the Las Cañas Formation (early Pliocene), Santiago del Estero, Argentina, mainly using SEM and EDX, XRD, FTIR and Confocal Raman spectroscopy |
| title | Mineralogical characterization of fossil woods from the Las Cañas Formation (early Pliocene), Santiago del Estero, Argentina, mainly using SEM and EDX, XRD, FTIR and Confocal Raman spectroscopy |
| title_full | Mineralogical characterization of fossil woods from the Las Cañas Formation (early Pliocene), Santiago del Estero, Argentina, mainly using SEM and EDX, XRD, FTIR and Confocal Raman spectroscopy |
| title_fullStr | Mineralogical characterization of fossil woods from the Las Cañas Formation (early Pliocene), Santiago del Estero, Argentina, mainly using SEM and EDX, XRD, FTIR and Confocal Raman spectroscopy |
| title_full_unstemmed | Mineralogical characterization of fossil woods from the Las Cañas Formation (early Pliocene), Santiago del Estero, Argentina, mainly using SEM and EDX, XRD, FTIR and Confocal Raman spectroscopy |
| title_short | Mineralogical characterization of fossil woods from the Las Cañas Formation (early Pliocene), Santiago del Estero, Argentina, mainly using SEM and EDX, XRD, FTIR and Confocal Raman spectroscopy |
| title_sort | mineralogical characterization of fossil woods from the las canas formation early pliocene santiago del estero argentina mainly using sem and edx xrd ftir and confocal raman spectroscopy |
| topic | Madera Fósil Vegetal Plioceno Espectroscopia Mineralogía Wood Vegetal Fossils Pliocene Spectroscopy Mineralogy Santiago del Estero |
| url | http://hdl.handle.net/20.500.12123/24213 https://www.sciencedirect.com/science/article/abs/pii/S0895981125003414 https://doi.org/10.1016/j.jsames.2025.105679 |
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