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1._______ brittle material 2._______ seismic tomography 3._______ heat flow 4. _

ID: 160473 • Letter: 1

Question

1._______ brittle material

2._______ seismic tomography

3._______ heat flow

4. ______ regolith

5._______ focus

6._______ Nebraska

7._______ subduction zone

8._______ Himalayas

9. ______ strain

10.______ fold thrust belt

11.______ active strike-slip fault

12.______ about 780,000 years

13.______ zone of accumulation

14.______ normal polarity

15.______ stress

16. _____ dust

17. ______ base of lithosphere

18. ______ conduction

19. ______ exhumation

20. ______ sea floor spreading

a. permanent record of rock deformation

b. capable of breaking under stress

c. variations in body wave velocities

d. transfer of heat by physical contact

e. rupture location, site of release of seismic energy

f. continent/continent collision

g. key part of a transported soil

h. soil and fragmented bedrock

i. high P and low T, glaucophane schists

j. very high above mid ocean ridges

k. flux lines point down in the northern hemisphere

l. between craton and magmatic arc in orogen

m. abundant Al and Fe oxides

n. slight decrease in P and S wave velocity

o. force/area

p. less than logical place to build a dam

q. last full polarity reversal

r. stable part of the continent interior or craton

s. mechanism for ocean basin formation

t. crystalling rocks rapidly exposed on the surface

Explanation / Answer

1-t

2-c

3-j

4-h

5-e

6-i

7-r

8-f

9-a

10-

11-l

12-q

13-p

14-k

15-o

16-g

17-n

18-d

19-m

20-s