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#plagioclase
#feldspar
#basalt
#pyroxene
#anorthite
#thin section
#thinsectionthursday
#the earth story
#plagioclase
#feldspar
#basalt
#pyroxene
#anorthite
#thin section
#thinsectionthursday
#the earth story
#gabbro
#igneous
#norite
#geology
#pyroxene
#feldspar
#anorthite
#thin section
#thinsectionthursday
#the earth story
#gabbro
#igneous
#norite
#geology
#pyroxene
#feldspar
#anorthite
#thin section
#thinsectionthursday
#the earth story
#science
#geology
#space
#apollo
#genesis
#anorthosite
#anorthite
#chemistry
#brown
#michigan
#university
#the earth story
#crust
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