Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism.
Yule marble rock cycle.
Marble impurities cause the swirls or veins you commonly see on a polished portion or cross section of marble.
It is composed primarily of the mineral calcite caco 3 and usually contains other minerals such as clay minerals micas quartz pyrite iron oxides and graphite under the conditions of metamorphism the calcite in the limestone recrystallizes to form a rock that is.
Different views joined in heart solid as a rock.
Here is an example of the rock cycle describing how a rock can change from igneous to sedimentary to metamorphic over time.
For this project you ll step your way through the rock cycle demonstrated in the rock cycle diagram above.
Marble is a metamorphic rock formed when limestone is subjected to high pressure or heat.
Green coloration is often due to serpentine.
See more ideas about minerals gemstones colorado.
Jan 4 2016 here s a growing collection of my favorite rocks gemstones and minerals found throughout colorado.
To start the process we ll be grating some chocolate as a makeshift erosion process.
Yule marble is a marble of metamorphosed limestone found only in the yule creek valley in the west elk mountains of colorado southeast of the town of marble colorado.
It takes millions of years for rocks to change.
The chocolate block moves so it s called erosion not weathering.
Can turn into nonfoliated metamorphic rocks like anthracite coal marble and quartzite.
The rock cycle is a series of processes that create and transform the types of rocks in earth s crust.
In its pure form marble is a white stone with a crystalline and sugary appearance consisting of calcium carbonate caco 3 usually marble contains other minerals including quartz graphite pyrite and iron oxides these minerals can give marble a pink brown gray green or variegated coloration.
How to make a delicious rock cycle with chocolate rocks.
Make your own tasty sedimentary rock to explore geology.
He just can t resist adding a new rock from a beachcombing trip to his collection.
I know kids love rock collecting and my son is definitely a rock hound with the ever growing collection.
Marble is a metamorphic rock resulting from the metamorphosis of limestone and dolostone also known as dolomite.
Go ahead and try this rock cycle for kids activity that is sure to please because it s edible.
Nonfoliated rocks can also form by metamorphism which happens when magma comes in contact with the surrounding rock.
The word marble is colloquially used to refer to many other stones that are capable of taking a high polish.