Rocks Flashcards
Layers of silt, sand, dead plant and animal matter press together on or near the Earth’s surface, forming _________.
sedimentary rocks
When dissolved minerals come out of water
chemical sedimentary rocks
What are 3 examples of intrusive rocks?
diorite, gabbro, granite
When molten rock breaks the Earth’s surface and cools quickly with small crystals.
extrusive igneous rocks
What are the three types of rocks?
Igneous, Sedimentary, Metamorphic
Debris for mechanical weathering, or the process of rocks breaking down from larger to smaller pieces
clastic sedimentary rocks
What are 3 examples of extrusive rocks?
andesite, basalt, obsidian
What are 3 examples of organic rocks?
coal, coquina, fossiliferous limestone
What are 3 examples of chemical rocks?
chalk, iron ore, rock salt
Intrusive rocks are also called _________.
Plutonic rocks
_________ form when magma (molten rock) cools and cystallizes.
Igneous rocks
What are 3 examples of foliated rocks?
gneiss, scoria, tuff
What are 3 examples of clastic rocks?
sandstone, siltstone, shale
What are the 3 types of sedimentary rocks?
clastic, chemical, organic
The slow cooling of molten rock under the Earth’s surface creates the large crystals in _________.
Intrusive igneous rocks