Arenig

For the mountains in Wales, see Arenigs.

In geology, the Arenigian (or 'Arenig') refers both to a time interval during the Lower Ordovician period and also to the suite of rocks which were deposited during this interval.

单词	Arenig
释义	Arenig 英语百科 Arenig For the mountains in Wales, see Arenigs. In geology, the Arenigian (or 'Arenig') refers both to a time interval during the Lower Ordovician period and also to the suite of rocks which were deposited during this interval.
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