Question

Which of the following is a list of ONLYsedimentary rocks? marble, shale, arkose, quartzite, limestone, conglomerate chert, limestone, amphibolite, shale, travertine, phyllite hornfels, shale, breccia, quartzite, arkose, sandstone conglomerate, gabbro, shale, limestone, sandstone, chert arkose, chert, limestone, breccia, shale, dolostone

Answer 1

Answer:

Explained

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.