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Marl is an earthy material rich in carbonate minerals, clays, and silt. When hardened into rock, this becomes marlstone. It is formed in marine or freshwater environments, often through the activities of algae.
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carbonate used soil united cement use lakes sediments calcium century often tunnel also chalk channel layers silt portland storage clay
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Marl | is a | earthy material rich in carbonate minerals | 0.90 | text |
| Marl | is a | dominant rock type in the Vaca Muerta Formation in Argentina | 0.90 | text |
| aragonite or dolomite may be present.Glauconitic marl is marl containing pellets of glauconite | instance of | but other carbonate minerals | 0.80 | text |
| a clay mineral that gives the marl a green color | instance of | but other carbonate minerals | 0.80 | text |
| Sphaerium | instance of | and skeletons of freshwater molluscs | 0.80 | text |
| Planorbis accumulate as part of the bottom marl.In Hungary | instance of | and skeletons of freshwater molluscs | 0.80 | text |
| Buda Marl is found that was formed in the Upper Eocene era | instance of | and skeletons of freshwater molluscs | 0.80 | text |
| Marl | related to Civil engineering | The Channel Tunnel | 0.60 | section |
| Marl | related to Civil engineering | West Melbury Marly Chalk | 0.60 | section |
| Marl | related to Civil engineering | This | 0.60 | section |
| Marl | related to Civil engineering | The | 0.60 | section |
| Marl | related to Civil engineering | Glauconitic Marl | 0.60 | section |
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