Answer:
Explained
Step-by-step explanation:
Answer: Of the list following are
Arkose, chert, limestone, breccia, shale, dolostone sedimentary rocks. Don't confuse dolostone with dolomite- the latter is a metamorphic rock.
Why other options are wrong:
Hornfels, quartzite ,Amphibolite and Phyllite are metamorphic rocks
Gabbro is a igneous rock.