Table 4 Sample details and results from the seven modern plants (lithological descriptions taken from the Geological Survey of Northern Ireland, see Fig. 2).
Sample | Description | Location | Lithology | 87Sr/86Sr | δ34S |
---|---|---|---|---|---|
NAVP1 | Blackthorn | Navan Fort (SW) | Carboniferous: Interbedded limestone, argillaceous rocks and subordinate sandstone | 0.708642 | 7.9 |
NAVP2 | Horse chestnut | Navan Fort (C) | Carboniferous: Interbedded limestone, argillaceous rocks and subordinate sandstone | 0.708540 | 7.5 |
NAVP3 | Thorny bush | Navan Fort (N) | Carboniferous: Interbedded limestone, argillaceous rocks and subordinate sandstone | 0.709564 | 8.7 |
NAVP4 | Unknown tree | Navan Fort (SE) | Carboniferous: Interbedded limestone, argillaceous rocks and subordinate sandstone | 0.708612 | 7.9 |
NAVP5 | Beech | Palace Demesne | Carboniferous: Interbedded limestone, argillaceous rocks and subordinate sandstone | 0.709363 | 7.6 (leaf), 6.4 (stem) |
NAVP6 | Hawthorn | King’s Stables | Carboniferous: Interbedded limestone, argillaceous rocks and subordinate sandstone | 0.708427 | 6.5 |
NAVP7 | Thorny bush | Observatory grounds | Carboniferous: Sandstone, siltstone and mudstone | 0.708669 | 0.2 |