Figure 4From: Implications of colonizing biofilms and microclimate on west stucco masks at North Acropolis, Tikal, GuatemalaX-ray diffraction patterns of three samples of efflorescence material derived from WM at Tikal. Acronyms: C, calcite; G, gypsum, W, weddellite; Q, quartz; P, monohydrocalcite, H = Halite; L = Lime.Back to article page