Sedimentary rocks are formed when sediment is deposited out of air, ice, wind and gravity carrying the particles in suspension
100
True or false Metamorphic rocks can been changed over time by extreme pressure and heat.
True
100
True or false diamond are billions of years old
True
100
What color is Galena?
It is gray.
200
How is the igneous rock formed?
The Igneous rock is formed when magma cools down and turns into a solid, it may do this above or below Earth’s surface.
200
What is the difference between igneous rocks and sedimentary.
Igneous rock are formed by the cooling of magma inside the Earth or on the surface. Sedimentary rocks are formed from the products of weathering by cementation or precipitation on the Earth's surface
200
How are metamorphic formed
Metamorphic rocks are formed when rocks are close to some molten magma, and so get heated up
200
How are diamonds formed?
Most natural diamonds are formed at high temperature and pressure at depths of 140 to 190 kilometers in the Earth's mantle.
200
How much does Galena cost
It costs $25 for per silver one.
300
True or false: Igneous rocks are soft and hard
True
300
True or False Sedimentary rocks are easily changed by water
True
300
Has Metamorphic Rocks changed over time?
It has changed over time by extreme pressure and heat.
300
What is the largest diamond ever discovered called
Cullinan diamond
300
How is Galena formed?
It is often well crystallized and forms in many interesting and distinct crystal shapes. Most of the lead minerals, such as Cerussite and Anglesite are secondary minerals formed from Galena.
400
What are the two types of igneous rocks
platonic rocks and volcanic rocks
400
How much percent of Sedimentary Rock is in the world?
There are not a lot of Sedimentary rock in the world. About 25-50 percent of it is in the world
400
Is there another type of metamorphic rock?
There is another type of metamorphic rock which is marble. It is formed from the sedimentary rock limestone.
400
When was the cullinan diamond discovered
The cullinan diamond was discovered in 1905 in South Africa
400
How is galena used in our everyday life?
Galena is used to make lead-acid batteries to start automobiles.
500
How much percent is the Igneous Rock in the world?`
There is 95 percent of igneous rock of Earth's crust.
500
What are the main two main tpyes of sedimentary rocks
limestone and sandstone
500
What are different types of Metamorphic rocks?
Some examples of metamorphic rocks include anthracite, quartzite, marble, slate, granulite, gneiss and schist.
500
How much percent of diamonds of there in the world?