Texture and hardness.
Rocks are classified by they way they are formed. There are three main classes of rocks: igneous, metamorphic and sedimentary rocks.
The forces that break rocks vary and in most cases are classified as mechanical or chemical forces. Weathering is one of the common ways that rocks are broken down into smaller particles.
sediment
Magma can be classified in the two ways. When it is inside the volcano it is called magma, but when it is out of the volcano, it's then called lava.
Intrusive features are typically classified as plutonic rocks, especially inside of a volcano. Comparatively, extrusive features are also classified as volcanic rocks.
Detrital, Chemical, and Organic.
The two main groups metamorphic rocks are classified are foliated rocks (meaning they have "bands"), and there are non-foliated rocks.
Geologists classify rocks by where they are formed; above ground or under ground
Rocks are classified by they way they are formed. There are three main classes of rocks: igneous, metamorphic and sedimentary rocks.
Two ways are by temperature and brightness
The two ways are: Heterogeneous Homogeneous
Two ways are by temperature and brightness
name 2 ways mnerals can be classified put into groups
Metamorphic rocks are classified by foliation or lack there of, not sedimentary rocks. They are classified into Clastic Sedimentary, and Chemical Sedimentary.
Three main ways and are classified accordingly. Igneous rocks form from molten material called magma.
height and shape
they are classified into 3 major kinds of rocksthey are the ;IGNEOUS ROCKS,SEDIMENTARY ROCKS,AND METAMORPHIC ROCKS