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- INSPIRE
- LithologyValue
- _7e1043c2-4e81-4bb7-a592-aecd280392b5
experimental
Entry: alkali olivine basalt
URI: http://inspire.ec.europa.eu/codelist/LithologyValue/alkaliOlivineBasalt
Alkali olivine basalt is silica-undersaturated, characterized by the absence of orthopyroxene, absence of quartz, presence of olivine, and typically contains some feldspathoid mineral, alkali feldspar or phlogopite in the groundmass. Feldspar phenocrysts typically are labradorite to andesine in composition. Augite is rich in titanium compared to augite in tholeiitic basalt. Alkali olivine basalt is relatively rich in sodium.
Core metadata
| is a | Concept |
| submitted by | Sophie Chaduteau |
| accepted on | 16 Jul 2026 11:53:11.316 |
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All metadata properties
| date accepted |
16 Jul 2026 11:53:11.316
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| date submitted |
16 Jul 2026 09:17:50.431
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| definition |
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| item class |
Concept
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| label |
alkali olivine basalt
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| notation |
7e1043c2-4e81-4bb7-a592-aecd280392b5
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| register |
lithology value
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| status |
status experimental
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| type |
register item
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| version info |
2
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Definition
| broader |
basalt
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| definition |
Alkali olivine basalt is silica-undersaturated, characterized by the absence of orthopyroxene, absence of quartz, presence of olivine, and typically contains some feldspathoid mineral, alkali feldspar or phlogopite in the groundmass. Feldspar phenocrysts typically are labradorite to andesine in composition. Augite is rich in titanium compared to augite in tholeiitic basalt. Alkali olivine basalt is relatively rich in sodium.
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| notation |
alkaliOlivineBasalt
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| pref label |
alkali olivine basalt
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| type |
Concept
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