METAMORPHIC ROCK WORKSHEET
NAME _________________________________ DATE _______________ Period ______
Use the diagram below to help you understand and answer questions about the changes in rocks
caused by heat and pressure The X axis is temperature in Celsius and the Y axis is
kilometers below the surface.
0
100
00
SEDIMENT
200
300
400
500
600
700
800
5
SHALE
10
SLATE
15
SCHIST
GNEISS
20
MELTING
25
30
1. What is the relationship between rock temperature and depth beneath the surface?
______________________________________________________________________________
______________________________________________________________________________
2. Calculate the number of degrees temperature increase per kilomether of depth between 0 and 10
kilometers. _____________________ Between 10 and 20 kilometers? _______________________
3. Which metamorphic rock shown forms at the highest temperature? _________________________
4. Through what general temperature range would you expect schist to form? ____________________
5. How many kilometers beneath the surface does gneiss occur? ______________________________
6. What is the approximate temperature at a depth of 2 kilometers? __________________________
7. What happens to the temperature at which rock melts with depth?
______________________________________________________________________________
______________________________________________________________________________
8. Suppose you knew that a certain metamorphic rock begins to form at about 300º C How many
kilometers beneath the surface might this rock temperature occur? _________________________
9. How far beneath the surface does shale metamorphose to slate? ___________________________
10. What would be a good title for the chart above? _______________________________________
______________________________________________________________________________
Use the Metamorphic Rock Scheme below to answer the following questions about Metamorphic
Rocks.
1.
What type of Meta Rx is created when granite (look at its characteristics) is metamorphosed?
_______________________________________
2.
What type of Metamorphic Rock is created when conglomerate is metamorphosed?
_____________________________
3.
Name a foliated, mineral aligned rock with fine grain, medium metamorphism made of clay and/or
feldspar. _____________________________________
4.
What type of Metamorphic Rock is metamorphosed compacted plant material? ______________
5. What are the pictures of
&
drawn like this?
_______________________ & __________________________
6.
Why would the Metamorphic Rock
have this symbol? ________________