Mineral Lithotype Identification on the Andrill AND-
Meléndez-martínez, Jaime; Nicolás-lópez, Rubén; Valdiviezo-mijangos, Oscar C.
Instituto de Geofísica, UNAM, publicado en Geofísica Internacional, y cosechado de Revistas UNAM
dor_id: 4132390
506.#.#.a: Público
590.#.#.d: Los artículos enviados a la revista "Geofísica Internacional", se juzgan por medio de un proceso de revisión por pares
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650.#.4.x: Físico Matemáticas y Ciencias de la Tierra
336.#.#.b: article
336.#.#.3: Artículo de Investigación
336.#.#.a: Artículo
351.#.#.6: http://revistagi.geofisica.unam.mx/index.php/RGI
351.#.#.b: Geofísica Internacional
351.#.#.a: Artículos
harvesting_group: RevistasUNAM
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883.#.#.a: Revistas UNAM
590.#.#.a: Coordinación de Difusión Cultural
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883.#.#.q: Dirección General de Publicaciones y Fomento Editorial
850.#.#.a: Universidad Nacional Autónoma de México
856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/134/129
100.1.#.a: Meléndez-martínez, Jaime; Nicolás-lópez, Rubén; Valdiviezo-mijangos, Oscar C.
524.#.#.a: Meléndez-martínez, Jaime, et al. (2022). Mineral Lithotype Identification on the Andrill AND-. Geofísica Internacional; Vol. 61 Núm. 1: Enero 1, 2022; 40-54. Recuperado de https://repositorio.unam.mx/contenidos/4132390
245.1.0.a: Mineral Lithotype Identification on the Andrill AND-
502.#.#.c: Universidad Nacional Autónoma de México
561.1.#.a: Instituto de Geofísica, UNAM
264.#.0.c: 2022
264.#.1.c: 2022-01-01
653.#.#.a: Plantillas de física de rocas; Método auto consistente; Sedimentos antárticos; Núcleo de perforación AND-2A y relación de Gardner; Rock physics templates; Self-consistent method; Antarctic sediments; AND-2A drillcore and Gardner´s relationship
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884.#.#.k: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/134
001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/134
041.#.7.h: spa
520.3.#.a: In this work, wet bulk density ρWBD and compressional wave velocity VP core log data obtained along the AND-2A drillcore are plotted on density-velocity ternary mineral Rock Physics Templates (RPTs) built from a Self-Consistent (SC) micromechanics modelling with the purpose to determine data trends that allow us to assist in identifying mineral lithotypes and lithological features throughout the 1138 m length of the drillcore. The elastic properties of the three dominant minerals present in the drillcore (mixed clays, quartz, and calcite) and the pore-filling fluid (brine) were used as input data for the SC model. The interpreted lithology is then compared to that obtained from the analysis of the AND-2A drillcore ρWBD and VP log data using Gardner type density-velocity cross plots. Results from both the SC and Gardner methods are in good agreement with the main lithologies present in the AND-2A drillcore already reported in the scientific literature. Our findings also agree well when compared to the lithological description of six selected rock samples obtained at different depths on the AND-2A drillcore. These results suggest that the proposed SC approach could be helpful to assist to identify lithology in scientific drill holes where downhole elastic properties may exist over intervals where portions of the drillcore were not recovered. Furthermore, even when elastic property data sets come from measurements on cores, the SC approach is likewise useful because, from visual analysis alone, lithology can sometimes be difficult to determine, and additional information from the analysis of the elastic properties may provide more insight. Key words: rock physics templates, self-consistent method, Antarctic sediments, AND-2A drillcore and Gardner´s relationship.
773.1.#.t: Geofísica Internacional; Vol. 61 Núm. 1: Enero 1, 2022; 40-54
773.1.#.o: http://revistagi.geofisica.unam.mx/index.php/RGI
022.#.#.a: ISSN-L: 2954-436X; ISSN impreso: 0016-7169
310.#.#.a: Trimestral
300.#.#.a: Páginas: 40-54
264.#.1.b: Instituto de Geofísica, UNAM
doi: https://doi.org/10.22201/igeof.00167169p.2022.61.1.2126
handle: 00f48b988acc6506
harvesting_date: 2023-06-20 16:00:00.0
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file_modification_date: 2022-04-13 22:00:27.0
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245.1.0.b: Mineral Lithotype Identification on the Andrill AND-2A Drillcore, Antarctica by Using Ternary Mineral Rock Physics Templates built from a Self-Consistent Approach
last_modified: 2023-06-20 16:00:00
license_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es
license_type: by-nc-nd
Meléndez-martínez, Jaime; Nicolás-lópez, Rubén; Valdiviezo-mijangos, Oscar C.
Instituto de Geofísica, UNAM, publicado en Geofísica Internacional, y cosechado de Revistas UNAM
Meléndez-martínez, Jaime, et al. (2022). Mineral Lithotype Identification on the Andrill AND-. Geofísica Internacional; Vol. 61 Núm. 1: Enero 1, 2022; 40-54. Recuperado de https://repositorio.unam.mx/contenidos/4132390