Question 7 Not yet answered Points out of 1.00 P Flag question The force exerted

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Question 7 Not yet answered Points out of 1.00 P Flag question The force exerted on a buried rock by the weight of material above it is called: Select one O a. shear stress. b. confining pressure. c, geothermal gradient. d. compressional stress e. tensional stress Question 8 Heat increases with depth in the crust, along what is known as the Not ye answered Select one: Points out of 1.00 a, geothermal index Ob. crust heat index Flag question c.aureole d. geothermal gradient e, depth gradient Question 9 Not yet arswere0 Points out of 1.00 Y Flag question Zeolite facies Select one a. Demonstrate the lowest level of metamorphism (low temperatures and pressures) b. Develop only along continentantal pathways like orogenesis c. Demonstrate a medium grade of metamorphism (high temperature but low pressure) d. Represent conditions deep in the crust e. Demonstrate the highest level of m ism (highest temperatures and pressures)

Explanation / Answer

7] Option b is correct

   Confining pressure is the pressure or stress imposed on a layer of soil or rock by the weight of overlying material.

8] Option d is correct

  The Earth gets hotter as one travels towards the core, known as the geothermal gradient. The temperature increase with depth, along with how this heat flows.

9] Option a is correct

Zeolite facies, one of the major divisions of the mineral facies classification of metamorphic rocks, the rocks of which formed at the lowest temperatures and pressures associated with regional metamorphism.

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