Question

Sedimentary rocks change into quartzite by metamorphic action

Answer 1

These layers, called strata, or beds, are probably the single most characteristic feature of sedimentary rocks. Other features found in some sedimentary rocks, such as ripple marks, mud cracks, cross-bedding, and fossils, also provide clues to past environments.

Answer 2

Rocks come from metamorphic action of sedimentary rocks are weak in mechanical ... Gniess is changing from granite (igneous rock ). .... Gneiss and quartz is siliceous rock.