percolation leaching

percolation leaching

[pər·kə′lā·shən ‚lēch·iŋ]
(mining engineering)
The selective removal of a mineral by causing a suitable solvent to seep into and through a mass or pile of material containing the desired soluble mineral.
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Deep percolation leaching from rain between irrigation seasons (i.
They illustrate the soil water balance modeling processes important for the leaching of soil salinity: At both sites, rainfall recharge incurs soil water deep percolation leaching during the first 2 months of the year and to a lesser extent the last month of the year, whereas applied water recharge, primarily from early-season planting irrigations, is responsible for most of the annual deep percolation leaching during the remainder of the year.
Because "there were no percolation, fines migration, or solution channeling problems encountered during percolation leaching of the 75% L.