Igneous rocks.
another name for moon soil. breccia. a kind of rock found on the moon that is made up of older rocks stuck together.
A ripple mark is not a kind of rock in and of itself, but a feature found in some sedimentary rocks, usually sandstones.
Shield volcanoes are made primarily of basalt.
The Starved Rock formations are Ordivician age orthoquartzite, a nearly pure form of sandstone (a sedimentary rock). This particular sandstone is referred to as St. Peter formation sandstone.
It is a xenolith.
xenolith
It is a xenolith.
a rockasouraus
For a variety of reasons, most fossils are found in sedimentary rock.
technically, quartz is not a rock. it is a mineral. quartz can be found in any type of rock
Neodymium is not a rock but a metallic element which is found in some rocks.
It could be any type of rock (sedimentary, igneous, or metamorphic).
Gniess
Igneous rocks.
granite
Fossils are most likely to be found in sedimentary rock.