A Chemical Classification of Volcanic Rocks Based on the Total Alkali-Silica Diagram
Bibliographic Data
| ID | 23326366 |
|---|---|
| Authors | M J L BAS, M J Le Bas (University of Leicester), R W Le Maitre (The University of Melbourne), R W L MAITRE, A STRECKEISEN, Bruno Zanettin (University of Padua), IUGS Subcommission on the Systematics of Igneous Rocks |
| Year | 1986 |
| Volume | 27 |
| Issue | 3 |
| Pages | 745-750 |
| Publication date | 1986-06-01 |
| Peer Reviewed | Yes |
| Open Access | No |
| Type | ARTICLE |
| Venue | Journal of Petrology (JOURNAL) |
| Journal identifiers | ISSN: 0022-3530 • E-ISSN: 1460-2415 |
| Publisher | Oxford University Press (OUP) (PUBLISHER) |
| DOI | 10.1093/petrology/27.3.745 |
| OpenAlex | W2157099954 |
| Language | EN |
| Citations received | 150 |
This contribution summarizes and brings up to date the recommendations made by the IUGS Subcommission on the Systematics of Igneous Rocks for the classification of volcanic rocks when modal analyses are lacking. The classification is on a non-genetic basis using the total alkali-silica (TAS) diagram, and is as nearly consistent as possible with the QAPF modal classification. The diagram is divided into 15 fields, two of which contain two root names which are separated according to other chemical criteria, giving the following 17 root names: basalt, basaltic andesite, andesite, dacite, rhyolite, trachybasalt, basaltic trachyandesite, trachyandesite, trachyte, trachydacite, picrobasalt, basanite, tephrite, phonotephrite, tephriphonolite, phonolite and foidite. Using Na-K criteria, trachybasalt may be further divided into the sub-root names hawaiite and potassic trachybasalt, basaltic trachyandesite into the sub-root names mugearite and shoshonite, and trachyandesite into the sub-root names benmoreite and latite.
Andesite · Basalt · Geochemistry · Rhyolite · Trachyte · Volcanic rock · Volcano · Clay minerals and soil interactions · Geochemistry and Geologic Mapping · Geological and Geochemical Analysis · Geology
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Geochemical Characterization of Four Quaternary Obsidian Sources and Provenance of Obsidian Artifacts from the Middle Stone Age Site of Gademotta, Main Ethiopian Rift
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Characterization of prehispanic cosmetics found in a burial of the ancient city of Teotihuacan (Mexico)
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| Unique citing works | 150 |
|---|---|
| Citations per year | 4,55 |
| Citation span | 1993 - 2026 (34) |
| Citation velocity | current |
| Highly cited | Yes |
| Citation types | Neutral: 126 |