Table 5 Summary of FTIR band interpretations for the Danish churches
From: Testing a hypothesis of technology transfer in the 1100’s between Italy and Denmark
FTIR Band Range (cm⁻¹) | Interpretation |
|---|---|
692–798, 1080, 1166 | Quartz (inherited) |
823, 1059, 752 | Muscovite (residual mica) |
1141, 1124 | Feldspars (microcline, sanidine) |
994, 930, 647 | Gehlenite, diopside (neoformation) |
1450–1470 | CO₃ stretch, calcite (original or re-carbonated) |
~1630 | OH bending (meta-smectite, clay) |
874, ~1011 | Smectite, kaolinite (inherited clays) |
913 | Al-OH deformation (clay minerals) |
