Related Experiment Video
Updated: May 17, 2025

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging
Published on: April 18, 2025
Guidelines and metadata model for a repository of volcanic samples
Rosa Anna Corsaro1, Claudia D'Oriano2, Andrea Di Muro3
1Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania, Osservatorio Etneo, Catania, Italy.
Volcanologists need better ways to manage rock samples. This study proposes a metadata model to enhance sample identification and data sharing across institutions, improving future research and sample curation.
Area of Science:
- Earth Science
- Volcanology
- Data Management
Background:
- Volcanological research relies heavily on physical rock samples from past and present eruptions.
- Current data management practices for volcanic samples are heterogeneous, posing challenges for data integration and accessibility.
- Existing sample identification systems, like the International Generic Sample Number (IGSN), lack sufficient detail for volcanic samples.
Purpose of the Study:
- To design guidelines and a metadata model for improved management of volcanic rock samples.
- To facilitate communication and searching across multiple, disparate sample repositories and databases.
- To enhance the long-term curation and accessibility of volcanic sample collections for future research.
Main Methods:
- Development of a metadata model integrating IGSN standards with volcanology-specific information.
- Design of guidelines for populating relational database structures for volcanic samples.
- Collaboration within the EUROVOLC project to define essential metadata fields.
Main Results:
- A proposed metadata model that extends IGSN with crucial volcanic sample attributes (e.g., eruptive event details, temperature, texture).
- Guidelines to standardize the description of volcanic samples across different institutions and repositories.
- A framework to facilitate data sharing and enhance the value of volcanic sample collections.
Conclusions:
- Standardized metadata is essential for effective management and sharing of volcanic sample data.
- The proposed model enhances the utility of sample repositories, supporting both monitoring and research activities.
- Improved data management practices will reduce redundant sampling and preserve valuable, irreplaceable geological records.
Related Concept Videos
Legal Guidelines for Documentation
Methods of Documentation I: Source-Oriented Records
In an SOR, each discipline involved in patient care maintains a separate medical record section. This record-keeping method enables easy tracking of patient progress and ensures healthcare staff have access to up-to-date information.
Key Attributes include the following:
Volatilization
Preparation of Samples for Electron Microscopy
Imaging Biological Samples with Optical Microscopy
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
Sample Handling
Samples should be transported carefully from collection points to the laboratory. They should be properly sealed and clearly labeled to prevent cross-contamination. To preserve the sample integrity, optimal temperature conditions during transport are essential. This could involve using...

