46. What is the name for a rock that is made up of several different minerals?
A) Monomineralic
B) Polymictic
C) Monomictic
D) Polymineralic
47. What is the name for a sedimentary rock made up of small, rounded pebbles cemented together?
A) Sandstone
B) Limestone
C) Conglomerate
D) Shale
48. Which of the following rocks is formed from the remains of once-living organisms?
A) Sandstone
B) Limestone
C) Conglomerate
D) Shale
49. What is the name for the process by which sediments are compacted and cemented together to form a rock?
A) Weathering
B) Erosion
C) Lithification
D) Metamorphism
50. Which of the following is not a characteristic used to classify rocks?
A) Mineral composition
B) Texture
C) Color
D) Age
51. Which of the following rocks is classified as a foliated metamorphic rock?
A) Marble
B) Quartzite
C) Slate
D) Sandstone
