English Language
WordTools.ai
BETA
meaning
in a sentence
phrases
associations
synonyms
Sentences with phrase «underlying volcanic deposits»
Using radioisotopic dating of
underlying volcanic deposits
, researchers in 1993 estimated them to be 228 million years old.
http://www.sciencemag.org/
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
http://www.sciencemag.org/