- https://data.geoscience.earth/ncl
- INSPIRE
- CommodityCodeValue
- _98829524-fba4-4ddc-891f-085fb5aa5b9a
experimental
Entry: chert
URI: http://inspire.ec.europa.eu/codelist/CommodityCodeValue/chert
Chert is a fine-grained silica-rich microcrystalline, cryptocrystalline or microfibrous sedimentary rock that may contain small fossils. It varies greatly in color (from white to black), but most often manifests as gray, brown, grayish brown and light green to rusty red; its color is an expression of trace elements present in the rock, and both red and green are most often related to traces of iron (in its oxidized and reduced forms respectively). - http://en.wikipedia.org/wiki/Chert
Core metadata
| is a | Concept |
| submitted by | Sophie Chaduteau |
| accepted on | 16 Jul 2026 11:52:51.844 |
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All metadata properties
| date accepted |
16 Jul 2026 11:52:51.844
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| date submitted |
16 Jul 2026 09:08:46.934
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| definition |
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| item class |
Concept
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| label |
chert
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| notation |
98829524-fba4-4ddc-891f-085fb5aa5b9a
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| register |
commodity code 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 |
silica
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| definition |
Chert is a fine-grained silica-rich microcrystalline, cryptocrystalline or microfibrous sedimentary rock that may contain small fossils. It varies greatly in color (from white to black), but most often manifests as gray, brown, grayish brown and light green to rusty red; its color is an expression of trace elements present in the rock, and both red and green are most often related to traces of iron (in its oxidized and reduced forms respectively). - http://en.wikipedia.org/wiki/Chert
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| in scheme |
Commodity Code Value
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| notation |
chert
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| pref label |
chert
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| type |
Concept
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