rubidium-strontium dating
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rubidium-strontium dating Definition
(n)
geological
dating
based
on
the
proportions
of
radioactive
rubidium
into
its
decay
product
strontium
;
radioactive
rubidium
has
a
half
-
life
of
47
,
000
,
000
,
000
years
rubidium-strontium dating Synonyms
rubidium-strontium dating
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