"They're minerals, Marie"
SiO2
What is Quartz?
Iowa's State Rock
What is a Geode?
What is Mt. St. Helens?
The hardest mineral on the Mohs hardness scale.
What is a Diamond?
Jack was an intern at the Robinson Mine in Ely, Nevada this past summer, what was the primary metal produced from this mine?
What is Copper?
PbS
What is Galena?
Iowa's geology is dominated by this rock type.
What is Limestone?
Possibly the most famous volcano in the world, this Italian volcano killed an estimated 16,000 in 79 AD.
What is Mt. Vesuvius?
This rock type is used in famous sculptures such as Michelangelo's "David."
What is Marble?
Despite being the "Silver State," Nevada is more well known for producing this yellow metal.
What is gold?
CaMg(CO3)2
What is Dolomite?
This state park is named for the local area's mining history.
What is the Mines of Spain State Park?
Squidward shouts the name of this famous Hawaiian volcano before erupting in an episode of SpongeBob.
What is Krakatoa?
The most common type of rock used in chalkboards.
What is Slate?
The world leading producer of REE's.
What is China?
CaMgSi2O6
What is Diopside?
Named for the town it sits near, this structure was formed by a large asteroid or comet.
What is the Manson Impact Structure?
This volcano, located in Antarctica, is home to one of the eight known lava lakes in the world and is also the southernmost active volcano on Earth.
What is Mount Erebus?
The number 8 mineral on the Mohs hardness scale
What is Topaz?
The world leading producer of Silver.
What is Mexico?
Ag8(As3+0.5As5+0.5)S6
What is Spryite?
There was once a push to make this still-living sea creature Iowa's State Fossil.
What is a Crinoid?
What is Hunga Tonga-Hunga Ha'apai?
This rock type makes up most of the mantle.
The Viburnum trend in Missouri is home to massive deposits of this metal.
What is Lead?