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| Mergellehm m | |||
| blauer Schieferton (in Schottland); weicher Schieferton (in Schottland); ungeklüfteter harter Sandstein | |||
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| blauer Schieferton (in Schottland); weicher Schieferton (in Schottland); ungeklüfteter harter Sandstein | |||
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blaes : 11 phrases, 2 sujets |
| Construction | 3 |
| Exploitation minière | 8 |