The plain is saliferous.
"More Letters of Charles Darwin" by Charles Darwin
Alluvium, saliferous, in Peru.
"A Naturalist's Voyage Round the World" by Charles Darwin
It overlies a bed of saliferous sandstone which has been worked for salt.
"The Andes and the Amazon" by James Orton
Origin of saliferous deposits.
"Life of Charles Darwin" by G. T. (George Thomas) Bettany
Then comes a stratum of the saliferous system or the new red sandstone, with the red marls, perhaps not much short of a thousand feet deep.
"Omphalos" by Philip Henry Gosse