Types of Rocks: The Three Major Rock Groups
_____ sedimentary rocks are derived from material carried in solution to lakes and oceans.
Chemical
_____ is molten rock made by the partial melting of rocks in the earth's interior under conditions of high temperature and high pressure.
Magma
_____ rocks are formed from pre-existing igneous, sedimentary, and even other metamorphic rocks.
Metamorphic
The two main types of sedimentary rocks are _____ and _____.
detrital and chemical
Detrital sedimentary rocks are accumulations of _____.
detritus
Basalt and granite are examples of _____ rock.
igneous
_____ igneous rock cool over long periods of time and develop large crystal structures.
intrusive
Magma that reaches the earth's surface is called _____.
lava
_____ is the most abundant chemical sedimentary rock, and it's typically formed when _____ precipitates due to evaporation.
limestone, calcite
Common _____ rocks include slate and marble.
metamorphic
_____ is the transformation of one rock into another.
metamorphism
Intrusive igneous rock are often referred to as _____ rock.
plutonic
Like sedimentary rock, metamorphic rock is a _____ rock.
secondary
Sedimentary rocks are _____ rocks, as they are formed from the accumulation of small pieces of pre-existing rock.
secondary
Sedimentary rocks are grouped based on the source of the _____.
sediment
Extrusive igneous rock are often referred to as _____ rock.
volcanic
Detritus are solid particles from _____ rocks.
weathered