Skip to main content
Progress in Earth and Planetary Science
Fig. 6 | Progress in Earth and Planetary Science

Fig. 6

From: A laboratory experiment on salt weathering by humidity change: salt damage induced by deliquescence and hydration

Fig. 6

Oya tuff and Aoshima sandstone with NaCl or MgSO4 subjected to 200 humidity-change cycles. The scale bars are 1 cm long. Oya tuff with NaCl (a) and MgSO4 (b) showed irregular morphology on their surface. Millimeter-scale fragments flaked from the surface of the Oya tuff with MgSO4. Aoshima sandstone with NaCl (c) showed swelling on the surface. Cracks parallel to the rock surface were observed on the edge of the Aoshima sandstone with MgSO4 (d)

Back to article page