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1
English
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1.1
Noun
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red shale
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From Wiktionary, the free dictionary
English
[
edit
]
Noun
[
edit
]
red
shale
(
countable
and
uncountable
,
plural
red shales
)
A
sedimentary rock
that is
red
in
color
due
to the
presence
of
iron oxide
minerals
.
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red shale
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