WorksheetsIgneous Rocks and Igneous Processes
Total questions: 20
Worksheet time: 12mins
According to the Bowen's reaction series, which mineral forms at the hottest temperature?
Olivine
Pyroxene
Potassium (K) feldspar
Quartz
According to the Bowen's Reaction Series, which mineral forms at the coolest temperature?
Olivine
Pyroxene
Potassium (K) feldspar
Quartz
What minerals should you find in gabbro and basalt (check all that apply)
pyroxene
amphibole
muscovite mica
quartz
plagioclase feldspar
This picture shows you high temperature minerals forming and sinking to the bottom of the magma chamber this changes the composition of the magma chamber. What is the name for this process
partial melting
crystal settling
assimilation
This picture shows you some of the rock melting, this new magma is very different than the original rock this process is called
crystal settling
assimilation
partial melting
If two magmas mix the composition of the new magma may be different
True
False
Rhyolite is a fine-grained, extrusive, igneous rock. How did it form?
rapidly cooling lava
slowly cooling magma
Basalt is an extrusive igneous rock. What does this tell you about it?
it was formed from lava that erupted onto Earth's surface
it was formed from slowly cooling magma
it was formed from magma that hardened beneath Earth's surface
Describe the texture of the following igneous rock.
smooth
coarse
vesicular
glassy
Describe the texture of the following igneous rock. Gas bubble texture
glassy
rough
vesicular
coarse
Describe the texture of the following igneous rock (grain size 1-10 mm).
vesicular
glassy
fine
coarse
Describe the texture of the following igneous rock (grain size < 1mm). The minerals do not reflect light well.
glassy
fine
coarse
vesicular
Describe the mineral composition of the following igneous rock. Light in color with high silica
felsic
mafic
Describe the environment of formation for the following igneous rock (grain size < 1 mm).
above ground
below ground
A metal that can be mined for a profit is a(n)?
ore
gem
sedimentary rock
Mr. K is pretty metal
Diamond is a valuable mineral found in rare, ultramafic rocks known as ______.
gravel
pegmatites
kimberlites
quarts
