Question

8.4.2 test (cst): the geosphere
which type of rock is shown in the image?
a. intrusive igneous
b. metamorphic
c. extrusive igneous
d. sedimentary

Explanation:

Sedimentary rocks are formed from the accumulation and lithification of sediment. They often have a layered appearance and can consist of various particles. The rocks in the image do not show the coarse - grained texture of intrusive igneous rocks (formed from slow - cooling magma inside the Earth), the fine - grained or glassy texture of extrusive igneous rocks (formed from rapid - cooling lava on the Earth's surface), or the foliated or non - foliated texture of metamorphic rocks (formed from pre - existing rocks under heat and pressure). They appear to be composed of sediment particles, which is characteristic of sedimentary rocks.

Answer:

D. Sedimentary