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WorksheetsIdentifying Rocks
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
#1
-Non-Vesicular
-Coarse
-Intrusive
-Felsic
-Non-Vesicular
-Coarse
-Intrusive
-Felsic
a)
Granite
b)
Scora
c)
Dunite
d)
Andesite
2.
#2
-Vesicular
-glassy
-Mafic
-Non- Crystaline
-Vesicular
-glassy
-Mafic
-Non- Crystaline
a)
Dunite
b)
Scora
c)
Obsidian
d)
Basalt
3.
#3
-non- vesicular
-Fine texture
-Medium color
-non- vesicular
-Fine texture
-Medium color
a)
Pumice
b)
Basaltic Glass
c)
Andesite
d)
Diabase
4.
#4
-Vesicular
-lighter color
-Less dense than water - floats
-Felsic
-Vesicular
-lighter color
-Less dense than water - floats
-Felsic
a)
Vesicular Andesite
b)
Diorite
c)
Pumice
d)
Andesite
5.
#5
-Medium color and density
-Non-Vesicular
-Coarse
-1-10mm in size
-Medium color and density
-Non-Vesicular
-Coarse
-1-10mm in size
a)
Diorite
b)
Pumice
c)
Obsidian
d)
Peridotite
6.
#6
-olivine composition
-coarse texture
-olivine composition
-coarse texture
a)
Peridotite
b)
Rhyolite
c)
Vesicular Basalt
d)
Scora
7.
#7
-intrusive
-medium dark color
-non vesicular
-intrusive
-medium dark color
-non vesicular
a)
Andesite
b)
Gabbro
c)
Granite
d)
Pegmatite
8.
#8
-Light color
-Low density
-Felsic
-Very coarse
-Intrusive
-Light color
-Low density
-Felsic
-Very coarse
-Intrusive
a)
Pegmatite
b)
Obsidian
c)
Dunite
d)
Gabbro
9.
#9
- medium color and density
-vesicular
-fine texture
- medium color and density
-vesicular
-fine texture
a)
Andesite
b)
Vesicular Andesite
c)
Rhyolite
d)
Vesicular Basalt
10.
#10
-glassy
-usually black
-felsic
-glassy
-usually black
-felsic
a)
Andesite
b)
Obsidian
c)
Basaltic Glass
d)
Duntie
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