1)
Wavy bands of light and dark minerals visible in gneiss bedrock probably formed from the
A)cementing together of individual miner grains
B)cooling and crystallization of magma
C)evaporation of an ancient ocean
D) heat and pressure during metamorphism
2) Which physical characteristic best describes the rock phyllite?

A) glassy texture with gas pockets
B) clastic texture with angular fragments
C) bioclastic texture with cemented shell fragments
D) foliated texture with microscopic mica crystals
3) Which nonfoliated rock forms only in a zone of contact metamorphism?

A) conglomerate
B) hornfels
C) pegmatite
D) quartzite
Which sedimentary rock is most likely to be changed to slate during regional metamorphism?

A) breccia
B) conglomerate
C) dolostone
D) shale
6) How do the metamorphic rocks schist and quartzite differ?

A) Quartzite contains the mineral quartz and schist does not.
B) Quartzite forms from regional metamorphism and schist does not.
C) Schist is organically formed and quartzite is not.
D) Schist is foliated and quartzite is not.
8) Which rock has never melted, but was produced by great heat and pressure, which distorted and rearranged its minerals?
A)siltstone
B)breccia
C)pegmatite
D)metaconglomerate
9)Which two rocks usually consist of only one mineral, but may contain additional minerals?
A)hornfels and diorite
B)quartzite and dunite
C)rock salt and basalt
D)gabbro and bituminous coal