Cross reference
Mark 9:49
49 For every one shall be salted with fire.
Leviticus 2:13
13 And every oblation of thy meal-offering shalt thou season with salt; neither shalt thou suffer the salt of the covenant of thy God to be lacking from thy meal-offering: with all thine oblations thou shalt offer salt.
Ezekiel 43:24
24 And thou shalt bring them near before Jehovah, and the priests shall cast salt upon them, and they shall offer them up for a burnt-offering unto Jehovah.