Príklady gypsum

• The sabkhas are covered by a salt crust, 3-5 cm thick, under which there lies 25-150 cm of carbonate sand, gypsum and halite.

• A few layers of gypsum-bearing mudstones occur in the western part.

• Moisture was monitored daily in each soil x moisture combination on four seedlings with gypsum blocks placed at 20 cm depth.

• Circles represent values less than 2%, except in the gypsum zone centered on 11 m, where circles signify only the presence of pollen types.

• Wave-ripple marks are commonly observed within this facies association, and gypsum occurs locally as discontinuous laminae.

• The minor internal dissolution of gypsum has an important consequence for the immediate habitat.

• Analysis of the photograph of the gypsum cast and the latex cast at hand indicates that the casts were made from the same specimen.

• However, gypsum is not always available, it is now very expensive and its application on groundnut may not be economical.

• Similar to that of the 1993 core, the profile contained gypsum bands that reflect periods of low lake level and, hence, dry climate.

• Interbedded shale and coal facies contain occasional desiccation cracks and locally gypsum crystals.

• The colour of the gypsum is normally greyish, and in-hand specimens of the gypsum contain large and clearly visible crystals.