Question

what are the origins of these Metamorphic rocks: i)Slate ii) Gneiss​

Answer 1

Explanation:

slate - limestone

gneiss- sandstone

Answer 2

Explanation:

$Most foliated metamorphic rocks—slate, phyllite, schist, and gneiss—are formed during regional metamorphism. As the rocks become heated at depth in the Earth during regional metamorphism they become ductile, which means they are relatively soft even though they are still solid.}$