Percent estimation practice

Kutztown UniversityGEL220 - Mineralogy

Friehauf 2009

Sample A

Sample A

5.2%

Sample B

Sample B

8.7%

Sample C

Sample C

5.8%

Sample D

Sample D

1.9%

Sample E

Sample E

21.3%

Sample F

Sample F

4.4%

Sample G

Sample G

38.7%

Sample H

Sample H

1.3%

Sample I

Sample I

6.9%

Sample J

Sample J

6.1%

Sample K

Sample K

12.0%

Sample L

Sample L

25.3%

Sample M

Sample M

4.8%

Sample N

Sample N

6.9%

Dark gray grains

8.1%

Light gray grains

Sample O

Sample O

9.4%

Whitegrains

Sample P

Sample P

33.6%

Sample Q

Sample Q

13.9%

Sample R

Sample R

9.4%

Bluegrains

12.5%

Redgrains

Sample T (Yosemite granite)

Sample T (Yosemite granite)

23.8%

Blackgrains

I hope this helps!