What two geologic factors prepared Turtle Mountain or made it prone to slides like that of April 29, 1903?
A)active volcanism and an earthquake
B)heavy rain and snowpack melt, causing debris flows
C)oversteepening of the mountain by glacial erosion and well-developed joints in the rocks
D)Blackfoot hex on the mountain, and excessive game trails

Question

Quizplus · Accepted Answer

The oversteepening of the mountain by glacial erosion and well-developed joints in the rocks are the two geologic factors that prepared Turtle Mountain or made it prone to slides like that of April 29, 1903. These factors created unstable conditions on the mountain's slopes, causing the massive rockslide that killed over 90 people. The other options are not relevant to the geological factors that made the mountain prone to slides.

What Two Geologic Factors Prepared Turtle Mountain or Made It