Yule Marble Rock Cycle

Colorado yule marble and red rock.

Yule marble rock cycle.

Marble is a metamorphic rock resulting from the metamorphosis of limestone and dolostone also known as dolomite. The word marble is colloquially used to refer to many other stones that are capable of taking a high polish. How to make a delicious rock cycle with chocolate rocks. It takes millions of years for rocks to change.

To start the process we ll be grating some chocolate as a makeshift erosion process. 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. The rock cycle is a series of processes that create and transform the types of rocks in earth s crust. 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.

For this project you ll step your way through the rock cycle demonstrated in the rock cycle diagram above. Can turn into nonfoliated metamorphic rocks like anthracite coal marble and quartzite. Marble impurities cause the swirls or veins you commonly see on a polished portion or cross section of marble. Different views joined in heart solid as a rock.

Nonfoliated rocks can also form by metamorphism which happens when magma comes in contact with the surrounding rock. Here is an example of the rock cycle describing how a rock can change from igneous to sedimentary to metamorphic over time. Jan 4 2016 here s a growing collection of my favorite rocks gemstones and minerals found throughout colorado. Green coloration is often due to serpentine.

The rock cycle rocks are constantly changing in what is called the rock cycle. 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. See more ideas about minerals gemstones colorado. I know kids love rock collecting and my son is definitely a rock hound with the ever growing collection.

Go ahead and try this rock cycle for kids activity that is sure to please because it s edible. Make your own tasty sedimentary rock to explore geology. We enjoy listening to the flowing fountain of life s water cascading continuing in a cycle of hearts and of course the wildlife finds it refreshing. The chocolate block moves so it s called erosion not weathering.