The reservoir resides in an aquifer, the Puelche sands, that lies above silts of the Parana sequence and beneath an aquitard of impermeable wind blown loess (Pampeano formation) overlain by Neogene silts and muds.
(the Puelche sands; lies; above silts of the Parana sequence and beneath an aquitard of impermeable wind) (The reservoir; resides; in an aquifer) Context(The reservoir resides,List([0, 21))):(the Puelche sands; overlain; )
The reservoir resides,List([0, 21))
the Puelche sands The reservoir the Puelche sands
lies resides overlain
above silts of the Parana sequence and beneath an aquitard of impermeable wind
in an aquifer