The building blocks of rocks.
What are minerals?
Different combinations of ______ leads to a diversity of rocks, based on how they are formed in the rock cycle.
What are minerals?
Snowflake obsidian is a type of this.
What is igneous rock?
For an igneous rock to be broken down into smaller pieces, this has to happen.
What is "weathering and erosion"?
This rock is a type of _____.
What is a conglomerate sedimentary rock?
The category of "shininess" a mineral gives off.
What is "Luster"?
Volcanic activity leads to this type of rock forming.
What are igneous rocks?
Conglomerate and sandstone are examples of this rock type.
What are sedimentary rocks?
Metamorphic rocks that eventually melt deep in the crust become...
What is "magma"?
Fossils and shells can be found in this type of rock.
What is sedimentary rock?
The hue or shade of a mineral.
What is a mineral's "color"?
Deposition of sediments is an important part of making this type of rock.
What is sedimentary rocks?
Can be made inside AND outside the crust, and results in very different looking rocks.
What are (intrusive or extrusive) igneous rocks?
Before any type or rock becomes a sedimentary rock, it first has to be broken down into _______.
What are "sediments"?
Wind, water, ice, and oxygen all act to affect rocks and minerals exposed to the surface of the crust.
What is (mechanical and chemical) weathering?
Describes how a mineral breaks apart.
What is "fracture" and "cleavage"?
Deep inside the crust, metamorphic rocks get exposed to these two conditions which cause the rocks to change.
What is "heat and pressure"?
Found usually in regions where there is or once was large bodies of water, either rivers or lakes where deposition would occur.
What are sedimentary rocks?
The heat and pressure, like what happens in convergent tectonic plate boundaries, causes huge amounts of folding of rocks in the crust. These changes that happen are called_____.
What is "metamorphism"?
A river delta is an excellent example of ___.
What is deposition?
If an unknown mineral cannot be scratched by a nail, but is scratched by glass, this helps us determine its what?
What is "hardness"?
The black sand beaches of the Hawaiian islands and also Iceland are made from this.
What is igneous rock (or lava)?
Marble, seen here, is an example of this type of rock, with its ribbons and small crystal structures.
What is metamorphic rock?
This image is most likely this kind of rock type.
What is sedimentary rock?
Granite is an example of this type of rock...
What is (intrusive) igneous rock?