- https://data.geoscience.earth/ncl
- INSPIRE
- LithologyValue
- _e7ac1de2-bec3-4cbd-9fbf-e4991a434e60
experimental
Entry: dacite
URI: http://inspire.ec.europa.eu/codelist/LithologyValue/dacite
Fine grained or porphyritic crystalline rock that contains less than 90 percent mafic minerals, between 20 and 60 percent quartz in the QAPF fraction, and has a plagioclase to total feldspar ratio greater than 0.65. Includes rocks defined modally in QAPF fields 4 and 5 or chemically in TAS Field O3. Typcially composed of quartz and sodic plagioclase with minor amounts of biotite and/or hornblende and/or pyroxene; fine-grained equivalent of granodiorite and tonalite.
Core metadata
| is a | Concept |
| submitted by | Sophie Chaduteau |
| accepted on | 16 Jul 2026 11:53:11.526 |
Download formats available
| RDF ttl | plain | with metadata |
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All metadata properties
| date accepted |
16 Jul 2026 11:53:11.526
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| date submitted |
16 Jul 2026 09:17:50.115
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| definition |
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| item class |
Concept
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| label |
dacite
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| notation |
e7ac1de2-bec3-4cbd-9fbf-e4991a434e60
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| register |
lithology value
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| status |
status experimental
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| submitter |
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| type |
register item
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| version info |
2
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Definition
| broader |
acidic igneous rock
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| definition |
Fine grained or porphyritic crystalline rock that contains less than 90 percent mafic minerals, between 20 and 60 percent quartz in the QAPF fraction, and has a plagioclase to total feldspar ratio greater than 0.65. Includes rocks defined modally in QAPF fields 4 and 5 or chemically in TAS Field O3. Typcially composed of quartz and sodic plagioclase with minor amounts of biotite and/or hornblende and/or pyroxene; fine-grained equivalent of granodiorite and tonalite.
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| notation |
dacite
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| pref label |
dacite
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| type |
Concept
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