Fig. 3: Fourier transform infrared spectroscopic data for Butcher Ridge Igneous Complex rocks.
From: Ultra-depleted hydrogen isotopes in hydrated glass record Late Cretaceous glaciation in Antarctica

Fourier Transform Infrared Spectroscopy (FTIR) water speciation map data for vitrophyre pod, vitrophyre layer, and marginal layer samples of the Butcher Ridge Igneous Complex. a Molecular water (H2Om) content, (b) hydroxyl (OH) content, and (c) transmitted light image.