Figure 4

X-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.
X-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.