The Layers of the Geosphere
Two types of crust in the Geosphere
Rocks often consists of fragments of minerals mixed with fragments of rocks
What tool do you use to test for streak?
ceramic or porcelain tile
Minerals are classified by their composition into two groups :
What is silicates and non-silicates
The geosphere is divided into three layers in the order of density. They are:
This rock is made up of grains of sand and other minerals
What is Sandstone
This is how a mineral breaks up or cleaves
The simplest silicate is called
What is quartz
These three things make up the Geosphere
What is rocks, minerals, and landforms
Rocks that consist of only one kind of mineral
What is monomineralic
Scale used to measure a minerals resistance to scratching or hardness
What is Mohs scale
The most diverse group of silicate minerals
What is clay minerals
This layer is located below the mantle. It extends to the center of the earth.
What are the main components and their percentages?
What is the core ; iron (80 %) and nickel (20%)
A metal that is an essential component of calcite, the principal component of limestone
What is calcium
Regular geometric shapes are called
What is crystals
What is non-silicates
The thickness of this layer is from 10-70km to 2900km deep
What is the Mantle
The most abundant element in the crust
What is oxygen
The four properties used to identify minerals
What is colour , lustre, hardness, and cleavage
Minerals that consist of a single element are called :