Rock salt deposits can be found in dry lake beds, inland marginal seas, and enclosed bays and estuaries in arid regions of the world.
B. The water is surrounded by stable rock, soil. If this is incorrect please comment saying Sorry this is incorrect and explain why and how.
17-1800's
I know that James Hutton is considered a father of modern geology and he was born during some where in the 1720's so that's the closest answer, also Charles Lydel was born during the late 1790's.