dor_id: 4132308

506.#.#.a: Público

590.#.#.d: Los artículos enviados a la revista "Geofísica Internacional", se juzgan por medio de un proceso de revisión por pares

510.0.#.a: Consejo Nacional de Ciencia y Tecnología (CONACyT); Scientific Electronic Library Online (SciELO); SCOPUS, Dialnet, Directory of Open Access Journals (DOAJ); Geobase

561.#.#.u: https://www.geofisica.unam.mx/

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

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

590.#.#.c: Open Journal Systems (OJS)

270.#.#.d: MX

270.1.#.d: México

590.#.#.b: Concentrador

883.#.#.u: https://revistas.unam.mx/catalogo/

883.#.#.a: Revistas UNAM

590.#.#.a: Coordinación de Difusión Cultural

883.#.#.1: https://www.publicaciones.unam.mx/

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/702/695

100.1.#.a: Goguitchaichvili, Avto; Alva-valdivia, Luis; Morales, Juan; Caballero, Cecilia; González, José Antonio

524.#.#.a: Goguitchaichvili, Avto, et al. (2000). New contributions to the Early Pliocene geomagnetic field strength: Case study of southern Caucasus volcanics. Geofísica Internacional; Vol. 39 Núm. 3: Julio 1, 2000; 277-284. Recuperado de https://repositorio.unam.mx/contenidos/4132308

245.1.0.a: New contributions to the Early Pliocene geomagnetic field strength: Case study of southern Caucasus volcanics

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 2000

264.#.1.c: 2000-07-01

653.#.#.a: Paleomagnetismo; paleointensidad; método Thellier; Cáucaso; Plioceno; Paleomagnetism; paleointensity; Thellier method; Caucasus; Pliocene

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico revistagi@igeofisica.unam.mx

884.#.#.k: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/702

001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/702

041.#.7.h: spa

520.3.#.a: We carried out a Thellier paleointensity study on a ~ 3.8 My Pliocene lava flow succession from Georgia (southern Caucasus). Previous paleomagnetic studies on this succession revealed that eight consecutive lava flows record a reverse polarity direction at the base of the section followed by a thick normal polarity zone of eighteen consecutive flows. 27 samples from 9 flows from both polarity zones were preselected for paleointensity experiments because of their low magnetic viscosity index, stable remanent magnetization, reversible thermomagnetic curves and minor fraction of grains with a multidomain magnetic structure. Altogether, 13 samples from 6 different cooling units yielded reliable paleointensity estimates with flow-mean virtual dipole moments rang- ing from 5.8 to 7.6*1022 Am2. Our results, although not numerous, are of high technical quality and comparable to other paleointensity data recently obtained on younger lava flows. The NRM fractions used for paleointensity determination range from 28 to 65% and the quality factors varies between 4.7 and 19.4, being normally greater than 5. The mean virtual dipole moment (VDM) obtained in this study is slightly lower than the present day geomagnetic field strength but it is in accordance with the mean early Pliocene worldwide VDM. The results are also similar to those recently reported for the late Miocene (8-10 My), which may indicate that geomagnetic field strength was stable and relatively high from about 10 to 4 My. More data are needed to better understand the transition mode between Mesozoic low and the present high geomagnetic field.doi: https://doi.org/10.22201/igeof.00167169p.2000.39.3.331

773.1.#.t: Geofísica Internacional; Vol. 39 Núm. 3: Julio 1, 2000; 277-284

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: 277-284

264.#.1.b: Instituto de Geofísica, UNAM

doi: https://doi.org/10.22201/igeof.00167169p.2000.39.3.331

handle: 161352d0a75097e9

harvesting_date: 2023-06-20 16:00:00.0

856.#.0.q: application/pdf

file_creation_date: 2022-07-13 18:38:06.0

file_modification_date: 2022-07-13 18:38:06.0

file_creator: Goguitchaichvili, Avto; Alva Valdivia, Luis; Morales, Juan; Caballero, Cecilia; González, José Antonio

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245.1.0.b: New contributions to the Early Pliocene geomagnetic field strength: Case study of southern Caucasus volcanics

last_modified: 2023-06-20 16:00:00

license_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es

license_type: by-nc-sa

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