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Homework answers / question archive / Lab 7 Part 1 of 2 - Activity 7

Lab 7 Part 1 of 2 - Activity 7

Geography

Lab 7 Part 1 of 2 - Activity 7.2 Minerals in Metamorphic Rock

Consider the descriptions of common minerals in metamorphic rocks (given in Table 4.8, p. 107) and those described in the text on p. 188-189. Use these resources to identify the specimens given in this activity and then fill in the blanks below with the appropriate mineral names.  Upper and lower case lettering is not considered, but each word must be spelled correctly to receive credit for that specimen.

Specimen 1. The name of this mineral is  Blank 1.  .

Specimen 2. The name of this mineral is  Blank 2.  .

Specimen 3. The name of this mineral is  Blank 3.  .

Specimen 4. The name of this mineral is  Blank 4.  .

Specimen 5. The name of this mineral is  Blank 5.  .

Specimen 6. The name of this mineral is  Blank 6.  .

Specimen 7. The name of this mineral is  Blank 7.  .

Specimen 8. The name of this mineral is  Blank 8.  .

 

Part 2 of 2 - Activity 7.5 Metamorphic Grades and Facies

Question 1 of 8

A. 1. Complete the drawing exercise as requested (Figure A7.5.1 on p. 204). Photograph or screen-shot your work and crop the image so that it fills the field of view and your writing is legible. Upload the file.
Click "Browse" to locate your file and then click "Upload" to upload your file. (Maximum file size: 40MB)
File:  

Question 2 of 8

B. 1. Which map region was metamorphosed at higher pressure?
  •  A. map A
  •  B. map B

Question 3 of 8

B. 1. continued.

Explain your answer to the question above (B.1.) in 20-30 words, using complete sentences. Do NOT conduct an internet search or consult Wikipedia to answer the question. Use only the information in the chapter.

Question 4 of 8

Click to see additional instructions

What follows is a numeric fill in the blank question with 1 blanks.

B. 2. Enter the minimum temperature at which the rocks in map B were metamorphosed: 

Question 5 of 8

C. 1. Identify the metamorphic facies associated with regions labeled A, B, C, and D in figure A7.5.4 and write their names in the blanks below.  The words must be spelled correctly to be counted as correct.What follows is a fill in the blank question with 4 blanks.

A.   facies

B.   facies

C.   facies

D.   facies

Question 6 of 8

D. 1. Determine the location of Eskola's metamorphic facies are likely to exist in the Earth and annotate the block diagram (Figure A7.5.5), as directed. Photograph or scan the annotated figure and crop the image so that it fills the field of view and your writing is legible. Upload the file.
 
Click "Browse" to locate your file and then click "Upload" to upload your file. (Maximum file size: 40MB)
File:  

Question 7 of 8

D. 2. (modified from short answer format)

Identify the pair of statements about the geothermal gradient that is completely correct.

 A. 

The geothermal gradient under the volcanic arc is higher than within the subduction zone. The temperature at the arc increases more gradually with depth.

  •  B. 

    The geothermal gradient within the subduction zone is lower than beneath the volcanic arc. The temperature at the subduction zone increases more steeply with depth.

  •  C. 

    The geothermal gradient within the subduction zone is lower than beneath the volcanic arc. The temperature at the subduction zone increases more gradually with depth.

  •  D. 

    The geothermal gradient under the volcanic arc is lower than within the subduction zone. The temperature at the arc increases more gradually with depth.

Question 8 of 8

E. Reflect and Discuss

Answer the essay question in 30-50 words, using complete sentences (using a grammar and spell checker). You should NOT conduct an internet search or consult Wikipedia to answer the question. Use the information in the chapter and this lab only

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