1. How did you determine the compositions of sample N and sample Q? 2. Where might you find a rock like sample M being formed on Earth today? 3. Sample R is highly desired in the energy industry because it is the most "clean" variety. Using your knowledge of metamorphic processes, how do you think this rock becomes so "clean" compared to its protolith?
1. How did you determine the compositions of sample N and sample Q? 2. Where might you find a rock like sample M being formed on Earth today? 3. Sample R is highly desired in the energy industry because it is the most "clean" variety. Using your knowledge of metamorphic processes, how do you think this rock becomes so "clean" compared to its protolith?
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question

Transcribed Image Text:Metamorphic Rocks
EXERCISE 1 DATA SHEET
Table 5. Metamorphic Rock Identification
Rock
Foliated
Other Textural
Features
Sample (Yes/NO)
Grain Size
Composition
Rock Name
Protolith
Medium to Coarsely
Coarse
grained Crystalline grans
Medium to Sugary-Crystalline Calcite,
No
Feldspar,Garner
Quartz
Igneous Rock
Gneiss Granite)
Yes
crystalline
M
Coarse
Marble Limestonb
grained Calcite (CaCO3) Dolormite
Fine
grained Cleavages
Medium Visible grains Chlorste, Quartz
grained Uneven surface Garnet, Feldspat Schist
Medium toWelded sand grainsQuartz
No coarse grained
Yes
Slaty
Quartz,
muscovite, Slate Shale
Igneous (Basalt)
Sediment(Clay
Quartzite Sandstone
Hornfels
Biotite
Yes
or
Mud)
Q
Fractures in
grains
Lacks foliation Biotite
Mudstane
Shale
Fine-
No
grained and lineation,
R
Or,
massive
Leaves black
residue on
when
fingers
touched
©2016, eScience Labs
P.

Transcribed Image Text:Metamorphic Rocks
POST-LAB QUESTIONS
1.
How did you determine the compositions of sample N and sample Q?
2. Where might you find a rock like sample M being formed on Earth today?
3. Sample R is highly desired in the energy industry because it is the most “clean" variety.
Using your knowledge of metamorphic processes, how do you think this rock becomes
so "clean" compared to its protolith?
©2016, eScience Labs
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