The wake.
prop wash
it is called 'wake'
It leaves behind salt crystals (which is the natural state of NaCl).
sediments left behind by moving water or wind
Stalactites
They can be called chemical sedimentary rocks, or evaporites; such as rock salt.
"Scat" or feces is left behind on trails.
First decant the water - the sand will be left behind. Then evaporate the water and the salt will be left behind.
The remaining minerals are called evaporites.
Several minerals are left behind when water evaporates.
Yes, the salt is left behind when the water has been evaporated because the salt has been dissolved in the water then the bits of salt is left over.
A wake is a term for disturbed water as a boat moves.