Dataset of particle size distribution data of Holocene volcanic ashes of NW Argentina

Fernandez-Turiel, J. L.; Rejas, Marta; Pérez Torrado, Francisco José; Saavedra Alonso, Julio; Rodriguez-Gonzalez, Alejandro

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Título:	Dataset of particle size distribution data of Holocene volcanic ashes of NW Argentina
Autor:	Fernandez-Turiel, J. L. CSIC ORCID ; Rejas, Marta CSIC ORCID ; Pérez Torrado, Francisco José; Saavedra Alonso, Julio CSIC ORCID; Rodriguez-Gonzalez, Alejandro CSIC ORCID
Palabras clave:	in situ - mineral or glass analysis major oxides EMP glass mineral igneous rock rhyolite K-feldspar Plagioclase Biotite Magnetite Ilmenite land section
Fecha de publicación:	20-jul-2018
Editor:	DIGITAL.CSIC
Citación:	Fernandez-Turiel, J. L.; Rejas, Marta; Pérez-Torrado, Francisco José; Saavedra Alonso, Julio; Rodriguez-Gonzalez, Alejandro, 2018. "Dataset of particle size distribution data of Holocene volcanic ashes of NW Argentina", DIGITAL.CSIC, http://dx.doi.org/10.20350/digitalCSIC/8554
Resumen:	This dataset includes particle size distribution data of volcanic ashes of Southern Puna and neighbouring areas (NW Argentina). The content of particles of 0.1–1000 μm was determined by lasser diffraction. The studied volcanic materials are mainly associated with the 4.2 ka cal BP eruption of the Cerro Blanco Volcanic Complex. Some samples area related to the Cueros de Purulla volcano.
Descripción:	Grain size distributions were determined in volcanic ash samples using a Malvern Mastersizer 2000 particle analyser, equipped with a laser diffractometer (ultrasonic water disaggregation: Hydro MU system; absorption: 0.1; refractive index: 1.52; measurement time: 20 s; obscuration: 10–20%; and pump speed: 2500 rpm, 3 measures), following the recommended procedures of the International Volcanic Health Hazard Network (IVHHN, www.ivhhn.org). This technique measures particles of 0.1–1000 μm using the Mie Theory; due to this limitation, only distal ash samples with maximum grain sizes of < 1 mm for the complete deposit (not grain fractionated) were analysed. The particle-size abundance is reported as the volume percentage of equivalent spherical diameter. Contact person: Fernandez-Turiel, J. L., jlfernandez@ictja.csic.es
URI:	http://hdl.handle.net/10261/167764
DOI:	10.20350/digitalCSIC/8554
Referencias:	Fernandez-Turiel, J.-L.; Saavedra, J.; Perez-Torrado, F. J.; Rodriguez-Gonzalez, A.; Carracedo, J. C., Osterrieth, M., Carrizo, J. I.; Esteban, G. The largest holocene eruption of the Central Andes found. AGU Fall Meeting, San Francisco, USA. December 9-13, 2013. Control ID: 1787188. Poster V13D-2639. Session V13D. Geochronology, Correlation, and Climatic Significance of Widespread Volcanic Ash Layers II Posters (cosponsored by EGU-GMPV. http://hdl.handle.net/10261/84582 Fernandez-Turiel, J.-L.; Saavedra, J.; Perez-Torrado, F. J.; Rodriguez-Gonzalez, A.; Carracedo, J. C.; Lobo, A.; Rejas, M.; Gallardo, J. F.; Osterrieth, M.; Carrizo, J. I.; Esteban, G.; Martínez, L. D.; Gil, R. A.; Ratto, N.; Baez, W. The ash deposits of the 4200 BP Cerro Blanco eruption: the largest Holocene eruption of the Central Andes. EGU General Assembly 2015, 12-17 April, Vienna, Austria. Geophysical Research Abstracts, 2015, Vol. 17, EGU2015-3392. http://hdl.handle.net/10261/130983
Aparece en las colecciones:	(Geo3Bcn) Conjuntos de datos

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NW_Argentina_Holocene_volcanic_ashes-particle_size-1_data.xlsx	212,38 kB	Microsoft Excel XML	Visualizar/Abrir
NW_Argentina_Holocene_volcanic_ashes-particle_size-0_metadata.xlsx	173,85 kB	Microsoft Excel XML	Visualizar/Abrir
NW_Argentina_Holocene_volcanic_ashes-particle_size-Readme.txt	3,06 kB	Text	Visualizar/Abrir