Geology topics
L. Thatcher
Publications and source records attributed to L. Thatcher.
Dating desert ground water
Tritium in Arabian rainfall has followed the trend observed in North America with peaks in 1958 and the spring of 1959. These measurements will be useful for future hydrologie studies. Water from wadi gravels averages 10 yr old. Carbon-14 measurements of deep waters indicate ages of several thousand years.
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