Fig. 2: Partitioning of the dissolved K+ budget into five end-members, i.e.
From: K isotopes trace temporal silicate weathering intensity

evaporites, rain, anthropogenic, carbonates, and silicates. The weathering of silicates dominates the dissolved K+ budget (an annual average of 73.3 ± 6.3%), while another significant contributor is evaporites (25.8 ± 6.3%), whereas the other contributions are negligible. See supplementary text for the calculations.