gypsiferous

[jip-sif-er-uhs]
adjective
containing gypsum.

Origin:
1840–50; gyps(um) + -i- + -ferous

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World English Dictionary
gypsum (ˈdʒɪpsəm)
 
n
a colourless or white mineral sometimes tinted by impurities, found in beds as an evaporite. It is used in the manufacture of plaster of Paris, cement, paint, school chalk, glass, and fertilizer. Composition: hydrated calcium sulphate. Formula: CaSO4.2H2O. Crystal structure: monoclinic
 
[C17: from Latin, from Greek gupsos chalk, plaster, cement, of Semitic origin]
 
gypseous
 
adj
 
gypsiferous
 
adj

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Example sentences
Gypsiferous soils may not develop harmful levels of exchangeable sodium from such waters.
Application of equivalent gypsum content to estimate potential subsidence of gypsiferous soils.
Finer-grained gypsiferous sandstones and shales dominate the lower reaches of the basin.
These materials include expansive, collapsible, and gypsiferous soils.
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