Fig. 2: The relationship of phosphate and chloride.
From: Biogeochemical explanations for the world’s most phosphate-rich lake, an origin-of-life analog

Linear regression of phosphate vs. chloride across seasons and sampling sites in Last Chance Lake (LCL) and Goodenough Lake (GL) water column (crosses: gray = LCL; pink = GL) and sediment porewater (inverted triangles: black = LCL; red = GL). The inset shows the much lower levels of phosphate and a lack of correlation with chloride in GL.