Data · dataset · 2025
Supplementary Material for Larsson (2025) From the ashes: a 150th anniversary review of the Askja-1875 tephra
Listed in Researchdata.se
Description
Supplementary material to the article "From the ashes: a 150th anniversary review of the Askja-1875 tephra" by S.A. Larsson, published in Dynamica through Stockholm University in 2025 (doi.org/10.58051/ns01-jf70). The material is published as a .xlsx spreadsheet file containing the following contents, divided onto separate sheets (also made available as separate .csv and .txt files): Table S1. Compilation of published raw (non-normalised) data from geochemical analyses of glass from the Askja-1875 tephra in the form of major-element oxide compositions provided as weight percentages.
Table S2. Normalised data of published Askja-1875 tephra-derived glass-shard major-element oxide compositions. Table S3.
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Centred log-ratio transformed selection of data of published Askja-1875 tephra-derived glass-shard major-element oxide compositions. Table S4. Results of principal component analysis performed on centred log-ratio transformed selection of data of published Askja-1875 tephra-derived glass-shard major-element oxide compositions.
R code. Script used for data treatment and statistical analysis. References.
List of references for the articles presenting the published raw data compiled in Table S1.
Links
Where it is published
- DOI doi.org/10.17045/sthlmuni.29098307 ↗
DOI / persistent id · from researchdata se
Catalogue records · 1
- OAI-PMH record api.researchdata.se/oai-pmh?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai%3A… ↗
metadata API · from researchdata se
Topics
- From keywords
- Earth & Environmental Science
- Inferred from text
- Tabular 65%
Provenance · 1 source records, 7 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| Researchdata.se | oai:researchdata.se:doi-10-17045-sthlmuni-29098307/0 | 13 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · researchdata se | connector:researchdata_se@1.0.0 | |
| concepts[field].local:field:earth-environmental | mapping · researchdata se | connector:researchdata_se@1.0.0 | |
| concepts[modality].local:modality:tabular | enrichment · researchdata se | keyword-concept-rules@1.0.0 | title+description (65%) |
| description | source · researchdata se | connector:researchdata_se@1.0.0 | /metadata/dc/description |
| license | source · researchdata se | connector:researchdata_se@1.0.0 | /metadata/dc/rights |
| publication_date | source · researchdata se | connector:researchdata_se@1.0.0 | |
| title | source · researchdata se | connector:researchdata_se@1.0.0 | /metadata/dc/title |