FIGURE 3. Trackway block samples after 3 in Towards sustainable treatments to preserve fossils from weathering, as part of the garden redevelopment project at the Natural History Museum

FIGURE 3. Trackway block samples after 3 treatments with CaLoSiL® E25 (no TiO2) at x10000 magnification, top left: ornithopod trackway before treatment; bottom left: ornithopod trackway after treatment; top right: theropod trackway before treatment; bottom right: theropod trackway after treatment. EHT 6.00kV, Signal A SE2, WD 8.1 mm, Magnification 10000 x.