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Author Question: The quartz in granite begins to melt at 650C, so if we find a migmatite where quartz has melted in a ... (Read 47 times)

asmith134

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on: Feb 28, 2020

Question 1

In an area where the temperature increase with depth averages 20°C per kilometer, the temperature at a depth of 5 kilometers would be ________.
◦ 20°C
◦ 200°C
◦ 50°C
◦ 100°C

Question 2

The quartz in granite begins to melt at 650°C, so if we find a migmatite where quartz has melted in a granitic rock and we know the temperature in the region increased with depth by about 25°C per kilometer, we could estimate the depth that the rock had been at to be about ________.
◦ 12.5 km
◦ 23.5 km
◦ 26.0 km
◦ 18.0 km
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Marked as best answer by asmith134 on Feb 28, 2020

nixon_s

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Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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asmith134

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Reply 2 on: Feb 28, 2020
Thanks for the timely response, appreciate it

chjcharjto14

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Reply 3 on: Yesterday
Excellent

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