the metamorphic rock name for sample 7 is __, (sample is dull grey and fissile, field of view is 10…

the metamorphic rock name for sample 7 is __, (sample is dull grey and fissile, field of view is 10 cm)\nquartzite\nphyllite\nshale\nhornfels\nslate

the metamorphic rock name for sample 7 is __, (sample is dull grey and fissile, field of view is 10 cm)\nquartzite\nphyllite\nshale\nhornfels\nslate

Answer

Brief Explanations:

Slate is a dull, grey, fissile metamorphic rock formed from shale. Quartzite is hard and non-fissile; phyllite has a shiny sheen; shale is sedimentary, not metamorphic; hornfels is non-fissile. The sample's traits match slate.

Answer:

slate