Question 3
0 / 0.5 pts
The Fort McDermitt Paiute Shoshone Tribes in southern Idaho are
experiencing the consequences of shifts in climate. This video discusses
some of the changes being experience:
https://www.youtube.com/watch?v=Gy2SvdLfmoU
Links to an external site.
The video opens with traditional music in the first 20 seconds and then at the
end. Between is an interesting discussion framed by some great scenery of
the southern Idaho region.
The geomorphic question asks you to look at the scenery between 0:58
seconds and 1:14. Look carefully at the exposed rock faces. Look at the color
of the rocks. Look at how the rocks are decaying and mass wasting. Do your
best to identify the basic rock type seen in these 16 seconds. Make the best
choice. I know its tough, asking you to apply knowledge learned from Earth
Materials, Weathering, and Mass Wasting lectures. But you know that wrong
answers will never hurt your grade. So have fun.
granite
You Answered
shale
Correct Answer
basalt
sandstone
Shale is compressed mud and is not able to form the cliff faces you see.
Sandstone is light in color -- not dark. The same is true for granite, which is
light in color. Also, granite does not make cliff faces like you see, but rather
weathers into spheroidal forms. Basalt is dark in color. It makes cliff faces
