Fig. 6From: X-ray computed tomography (XCT) and chemical analysis (EDX and XRF) used in conjunction for cultural conservation: the case of the earliest scientifically described dinosaur Megalosaurus bucklandiiEDX plots of the two plaster materials. a Typical composition of Material 1 (M1), b typical composition of Material 2 (M2), c plaster containing large amounts of chlorine (Cl) (M2), d plaster sample containing elements such as barium (Ba) and iron (Fe) (M2). Gold (Au) peaks are unmarked, being associated with the standard approach of applying a gold coating to minimise chargingBack to article page