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Metadata Files

Data Publication

Magnetic susceptibility and thin sections data from the the Alftafjordur volcanic system in Eastern Iceland

Trippanera, Daniele | Urbani, Stefano | Kissel, Catherine | Winkler, Aldo | Sagnotti, Leonardo | Nazzareni, Sabrina | Acocella, Valerio | Porreca, Massimiliano

GFZ Data Services

(2020)

Descriptions

This dataset contains supplementary materials to the manuscripts “Interpreting inverse magnetic fabric in Miocene dikes from Eastern Iceland” by Trippanera et al., (submitted to JGR) and “Anatomy of an extinct magmatic system along a divergent plate boundary: Alftafjordur, Iceland” by Urbani et al. 2015. These works present an extensive multi-scale and multi-disciplinary study focused on the magnetic fabric of dikes belonging to the Alftafjordur volcanic system in Eastern Iceland. Eastern Iceland is one of the most suitable places to analyze the roots of the volcanic systems that are composed of central volcanoes and fissure swarms. We sampled 19 NNE-SSW oriented dikes (for a total of 383 samples) belonging to the exhumed fissure swarm portion of Alftafjordur volcanic system, aiming at understanding the direction of magma propagation in the swarm by using Anisotropy of Magnetic Susceptibility (AMS) analysis. However, most of the samples (80% out of the measured cores) show an inverse geometric magnetic fabric (kmax is perpendicular to the dike margins and sub-horizontal)- therefore the study of the flow direction is complicated. Nevertheless, this result poses the problem of why the geometrically inverse fabric is present and widespread in the whole dike swarm. In order to understand the origin of this inverse fabric, besides standard AMS measurements, we also performed additional analysis such as different field and temperature AMS, Anisotropy of Anhystheretic Remanent Magnetization (AARM), Hysteresis loops and First-order reversal curves (FORC), Scanning Electron Microscope (SEM) and Optic microscope images analysis. This dataset includes the following materials: • Location of the sampled sites (.kml) • AMS measurements at room temperature by using H=300 A/m for all samples (.ran) • AMS measurements at room temperature by using H=200 A/m and H=600 A/m for selected samples (.ran) • AMS measurements at different temperature (from 20 to 580 ℃) for selected samples (.ran) • AARM measurements for selected samples (.ran) • DayPlots data for selected samples (.xls or .csv) • SEM and Optical microscope images of thin sections of selected samples. AMS and AARM data can be opened through Anisoft open-source software provided by Agico (Chadima and Jelinek, 2009; https://www.agico.com/text/software/anisoft/anisoft.php). Data have been acquired at: Roma Tre University (Rome, Italy), Istuto di Geofisica e Vulcanologia (INGV, Rome, Italy) and Laboratoire des Sciences du Climat et de l'Environnement, CEA, CNRS, UVSQ (Gif-sur-Yvette Cedex, France). For the interpretation of the data refer to Urbani et al., 2015 and Trippanera et al., (submitted). The description of each dataset is provided in the description file.

Keywords


Originally assigned keywords
dike
dike swarm
volcanic system
Alftafjordur
Iceland
intrusion
magnetite
Anisotropy of Magnetic Susceptibility
AMS
AARM
divergent margin
EPOS
European Plate Observing System
multi-scale laboratories
paleomagnetic and magnetic data
compound material > rock > igneous rock > basic igneous rock > basalt
Density
earth interior setting > crust setting > continental-crustal setting > upper continental crustal setting
EARTH SCIENCE > SOLID EARTH > TECTONICS
EARTH SCIENCE > SOLID EARTH > TECTONICS > VOLCANIC ACTIVITY > ERUPTION DYNAMICS > MAGMA COMPOSITION/TEXTURE
Fracture toughness
Gelatine > Pig skin
Generic camera
Glass/Plexiglas box > Glass/Plexiglas box (cm scale)
Intrusive
Laboratory
magmatic process > intrusion
magnetic suzeptibility > anisotropy
magnetic suzeptibility > bulk
sill
Water
Yield stress
Young modulus

Corresponding MSL vocabulary keywords
dike
magnetite
accelerator mass spectrometer
anisotropy of anhysteretic remanent magnetisation (AARM)
divergent tectonic plate boundary
fracture and crack toughness
camera
yield strength
yield strength
Young's modulus
poroelastic deformation
Young's modulus

MSL enriched keywords
Modeled geomorphological feature
volcanic landforms
dike
minerals
oxide mineral
magnetite
equipment
mass spectrometer
accelerator mass spectrometer
Measured property
magnetic anisotropy
anisotropy of anhysteretic remanent magnetisation (AARM)
tectonic plate boundary
divergent tectonic plate boundary
Measured property
fracture and crack toughness
Ancillary equipment
model surface monitoring (2D)
camera
mechanical strength
yield strength
Measured property
mechanical strength
yield strength
elasticity
Young's modulus
Inferred deformation behavior
deformation behaviour
poroelastic deformation
elasticity
Young's modulus
magnetic susceptibility
igneous rock - intrusive
magma
Phanerozoic
Cenozoic
Neogene
Miocene
remanent magnetisation
first order reversal curve (FORC)
Apparatus
electron microscopy
scanning electron microscope (SEM)
optical microscopy

MSL enriched sub domains i

analogue modelling of geologic processes
geochemistry
paleomagnetism
rock and melt physics
microscopy and tomography

Source

https://dataservices.gfz-potsdam.de/panmetaworks/showshort.php?id=escidoc:5189889

Source publisher

GFZ Data Services


DOI

10.5880/fidgeo.2020.026


Creators

Trippanera, Daniele

King Abdullah University for Science and Technology (KAUST), Thuwal, Saudi Arabia

ORCID:

https://orcid.org/0000-0002-7028-3566

Urbani, Stefano

University of Roma Tre, Department of Sciences, Roma, Italy

ORCID:

https://orcid.org/0000-0002-0653-0059

Kissel, Catherine

Laboratoire des Sciences du Climat et de l'Environnement, CEA, CNRS, UVSQ, Gif-sur-Yvette Cedex, France

ORCID:

https://orcid.org/0000-0002-2572-2742

Winkler, Aldo

Istituto Nazionale di Geofisica e Vulcanologia (INGV), Rome, Italy

ORCID:

https://orcid.org/0000-0002-0653-0059

Sagnotti, Leonardo

Istituto Nazionale di Geofisica e Vulcanologia (INGV), Rome, Italy

ORCID:

https://orcid.org/0000-0003-3944-201X

Nazzareni, Sabrina

5. University of Perugia, Department of Physics and Geology, Perugia, Italy

ORCID:

https://orcid.org/0000-0002-1548-3119

Acocella, Valerio

University of Roma Tre, Department of Sciences, Roma, Italy

ORCID:

https://orcid.org/0000-0002-1258-9401

Porreca, Massimiliano

University of Perugia, Department of Physics and Geology, Perugia, Italy

ORCID:

https://orcid.org/0000-0001-8628-606X


Contributors

Trippanera, Daniele

ContactPerson

King Abdullah University for Science and Technology (KAUST), Thuwal, Saudi Arabia

ORCID:

https://orcid.org/0000-0002-7028-3566

Trippanera, Daniele

DataCollector

King Abdullah University for Science and Technology (KAUST), Thuwal, Saudi Arabia

ORCID:

https://orcid.org/0000-0002-7028-3566

Urbani, Stefano

DataCollector

University of Roma Tre, Department of Sciences, Roma, Italy

ORCID:

https://orcid.org/0000-0002-0653-0059

Kissel, Catherine

DataCollector

Laboratoire des Sciences du Climat et de l'Environnement, CEA, CNRS, UVSQ, Gif-sur-Yvette Cedex, France

ORCID:

https://orcid.org/0000-0002-2572-2742

Winkler, Aldo

DataCollector

Istituto Nazionale di Geofisica e Vulcanologia (INGV), Rome, Italy

ORCID:

https://orcid.org/0000-0002-0653-0059

Sagnotti, Leonardo

ProjectLeader

Istituto Nazionale di Geofisica e Vulcanologia (INGV), Rome, Italy

ORCID:

https://orcid.org/0000-0003-3944-201X

Nazzareni, Sabrina

DataCollector

5. University of Perugia, Department of Physics and Geology, Perugia, Italy

ORCID:

https://orcid.org/0000-0002-1548-3119

Acocella, Valerio

ProjectManager

University of Roma Tre, Department of Sciences, Roma, Italy

ORCID:

https://orcid.org/0000-0002-1258-9401

Porreca, Massimiliano

DataCollector

University of Perugia, Department of Physics and Geology, Perugia, Italy

ORCID:

https://orcid.org/0000-0001-8628-606X

Laboratoire Des Sciences Du Climat Et De L'Environnement

HostingInstitution

CEA, CNRS, UVSQ (Gif-sur-Yvette Cedex, France)

Paleomagnetic Laboratory (Università Di Roma TRE, Italy)

HostingInstitution

Universitá degli studi "Roma TRE", Rome, Italy

labid:

6c110ea0c47b7a32bbe553b6da1ce193

Paleomagnetic Laboratory (INGV, Italy)

HostingInstitution

INGV, Rome, Italy

labid:

2cf0b82b7ad792977e26c32eaf79cbb3

Trippanera, Daniele

ContactPerson

King Abdullah University for Science and Technology (KAUST), Thuwal, Saudi Arabia

Urbani, Stefano

ContactPerson

University of Roma Tre, Department of Sciences, Roma, Italy


References

10.1029/2020jb020306

10.1002/2015gl065087

10.1016/0031-9201(77)90108-x

http://hdl.handle.net/11104/0163273


Citation

Trippanera, D., Urbani, S., Kissel, C., Winkler, A., Sagnotti, L., Nazzareni, S., Acocella, V., & Porreca, M. (2020). Magnetic susceptibility and thin sections data from the the Alftafjordur volcanic system in Eastern Iceland [Data set]. GFZ Data Services. https://doi.org/10.5880/FIDGEO.2020.026


Dates

Created:

2020-06-01

Collected:

2014-07-01/2020-06-01

Issued:

2020


Rights

Creative Commons Attribution 4.0 International


Geo location(s)

Alftafjordur volcanic system


Spatial coordinates