| 1. | Yordas Cave is a solutional cave formed in Lower Carboniferous limestone.
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| 2. | The margins of Morecambe Bay feature faulted outcrops of Lower Carboniferous Limestone.
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| 3. | The country rock is Lower Carboniferous limestone and shales.
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| 4. | The quarry is nationally important for research in the distribution of Lower Carboniferous plants.
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| 5. | Erdbach limestone from the Lower Carboniferous gave one small time period the name Erdbachian.
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| 6. | A few black limestones located in the lower Carboniferous ( near the city of Dinant)
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| 7. | The blonde coloured Bishopbriggs Sandstone is from the Upper Limestone Formation of the Lower Carboniferous age.
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| 8. | It lived during the Lower Carboniferous.
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| 9. | Foerse 1939 . " Loxoceras " has been found in Lower Carboniferous marine strata in Europe
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| 10. | The lower Carboniferous deposits are dominated by the thick Great Scar limestones laid down during the Vis�an stage.
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