Permian
= Permian
{c}
{wiki}
The final period of the <Paleozoic>, immediately preceding the <Triassic>. A geological age does not by itself specify mechanical strength or <seismic velocity>.
= Permian
{c}
{wiki}
The final period of the <Paleozoic>, immediately preceding the <Triassic>. A geological age does not by itself specify mechanical strength or <seismic velocity>.