Data Publication

Dataset of wehrlitization process: insights from X-ray Micro-CT of Mt. Vulture (southern Italy) mantle xenoliths

Carnevale, Gabriele

GFZ Data Services

(2025)

Descriptions

The study of textural and chemical characteristics of mafic minerals from mantle xenoliths is essential to investigate the nature of the upper mantle in a continental geodynamic context, melts generation and their effects related to mantle metasomatism. Particular textures in mantle minerals, inclusions or secondary veins of different nature (silicates vs carbonates), bubbles, represent petrographic tools to investigate these processes within the mantle. Petrographic 2D thin sections might overlook these mineralogical features, and 3D textural analysis through X-ray computed microtomography (micro-CT) are crucial to overcome these limitations. We focused on the Mt. Vulture volcano (southern Italy) rare mantle xenoliths, brought to the surface by a melilitite-carbonatite magma (141 ka), with particular emphasis to spinel-wehrlite xenoliths and wehrlitization processes that is located close to an area of intense CO2 degassing associated to catastrophic earthquakes. Preliminary results showed interesting 3D textural distributions within the studied xenoliths-forming mantle minerals. In particular, the micro-CT allowed to furnish new constrains on the relationship between fluids entrapment and migration, and structural discontinuities. Indeed, some minerals (especially those from the wehrlite xenoliths) showed a well-correlated distribution of fluid inclusions along the secondary fracturing planes. This publication results from work conducted under the transnational access/national open access action at Istituto Nazionale di Geofisica e Vulcanologia – Osservatorio Vesuviano (INGV-OV) and supported by WP3 ILGE - MEET project, PNRR - EU Next Generation Europe program, MUR grant number D53C22001400005. The author thanks also Gianmarco Buono and Lucia Pappalardo for their support during the analyses and the post processing process.

Keywords

Originally assigned keywords

EPOS

multi-scale laboratories

geochemistry and microscopy

geochemistry data

fluid inclusions

wehrlitization

3D petrographic textures

compound material > rock

EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > MINERALS > MINERAL PHYSICAL/OPTICAL PROPERTIES > COMPOSITION/TEXTURE

MSL enriched keywords

igneous rock - intrusive

magma

minerals

oxide mineral

spinel

carbonate minerals

Earth's structure

Earth mantle

upper mantle

Analyzed feature

deformation microstructure

pressure solution microstructure

vein

MSL enriched sub domains i

microscopy and tomography

Source

https://dataservices.gfz-potsdam.de/panmetaworks/showshort.php?id=d689b4be-7da5-11f0-914a-f12b0080820d

Source publisher

GFZ Data Services

DOI

10.5880/fidgeo.2025.054

Creators

Carnevale, Gabriele

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

ORCID:

https://orcid.org/0000-0002-7886-8091

Contributors

Carnevale, Gabriele

ProjectLeader

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

ORCID:

https://orcid.org/0000-0002-7886-8091

Carnevale, Gabriele

Researcher

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

ORCID:

https://orcid.org/0000-0002-7886-8091

Pappalardo, Lucia

Other

INGV-OV, Naples, Italy

ORCID:

https://orcid.org/0000-0002-3598-587X

Micro-CT laboratory (INGV, Italy)

HostingInstitution

INGV, Roma, Italy

labid:

ce5d8e47870f8569af48c8fd17a563c5

Carnevale, Gabriele

ContactPerson

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

References

10.1029/2022gl099075

10.1111/ter.12745

https://ilge.ct.ingv.it/

https://meet.ingv.it/

Citation

Carnevale, G. (2025). Dataset of wehrlitization process: insights from X-ray Micro-CT of Mt. Vulture (southern Italy) mantle xenoliths [Data set]. GFZ Data Services. https://doi.org/10.5880/FIDGEO.2025.054

Dates

Issued:

2025

Funding References

Funder name: European Commission

Funder identifier: https://doi.org/10.13039/501100000780

Funder identifier type: Crossref Funder ID

Award title: MEET

Funder name: Ministero dell'Università e della Ricerca

Funder identifier: https://doi.org/10.13039/501100021856

Funder identifier type: Crossref Funder ID

Award number: D53C22001400005

Award title: MEET

Rights

Creative Commons Attribution 4.0 International