Geology
How are tsunamis formed?
Earthquakes sometimes volcanos
which rock is formed from volcanic lava
Obsidian
this fossil is a extinct arthropod
Trilobite
This rock makes up 12% of the earths crust found on the moon
White quartz
Use until 1850 when metal blank became standard
Arrowheads
How is igneous rock formed?
When magma cools down
which rock is related to emerald
Aquamarine
This fossil is a giant furry elephant
Wooly mammoth bone
This is easily confused with gold and used the makeup
Gold mica
This rock is a soft gemstone blue green to seafoam color
Emerald calcite
How is sedimentary rock formed?
when tiny particles get compacted
What is the second stone to diamond rock
Ruby
This fossil is fallen trees that slowly turned into the rocks
Petrified wood
This rock is harder than limestone and heavier than granite
Amphibolite
This rock is often used in cement and antacids
Calcite
how is metamorphic rock formed?
When any rock are transformed because of heat and pressure
What rock will lose color in sunlight
Amethyst
This fossil is a sea animal filtered food from the water
Sponge
This rocks, color pattern resemble, zebra stripes
Zebra jasper
This rock, the color red Comes from iron inclusions
Red jasper
What is one thing that keeps the rock cycle moving
Volcanos
Which rock is found near volcanos
Quartz and tourmaline
The oldest type of vertebrae animals
Fish vertebrate fossil
South Dakota’s state gemstone
Autumn red
This rock is found in Mexico and has lots of colors to it
Crazy lace agate