(a) Sand stone
(b) Lime stone
(c) Shale
(d) Gypsum
Ans :- (a) Sand stone
Explanation :-
Sand stone change into quartzite by metamorphic action.
| Rock | Classification | Rock after metamorphism |
| Granite | Igneous | Gneiss |
| Basalt | Igneous | Schist |
| Limestone | Sedimentary | Marble |
