GeoLogic Mapping C

[elephantower]

Okay, here goes: (Click to Show Hidden Text)

Assuming I set up this diagram right the depth is about 10.648m[attachment=0]geomapping.png[/attachment]

I believe that's correct. With SciOly season over early this year, I haven't been frequenting the forums as much, sorry
Your turn!

[silentsage]

No problem at all, my season ended yesterday . I'm probably going to study geomapping all summer. Yay!

Anyway, here's the next question: What type of formations are El Capitan and Half-Dome in Yosemite (a single-word term), how did they form, and why are we able to see them now (think about the history of that area)? If you haven't heard of these, here are pictures:

[boomvroomshroom]

No problem at all, my season ended yesterday . I'm probably going to study geomapping all summer. Yay!

Anyway, here's the next question: What type of formations are El Capitan and Half-Dome in Yosemite (a single-word term), how did they form, and why are we able to see them now (think about the history of that area)? If you haven't heard of these, here are pictures:

images (Click to Show Hidden Text)

[img]http://www.camerawest.com/cwblog/wp-content/uploads/2012/06/Photo-by-Margaret-Hara2.jpg[/img][img]http://upload.wikimedia.org/wikipedia/commons/2/25/Half_dome_yosemite_national_park.jpg[/img][/quote]

idk (Click to Show Hidden Text)

1. Plutons (wild guess - I have no idea what you're looking for exactly; sorry)
2. massive igneous intrusions that were then uplifted and eroded away to form their specific steep walls
3. Surrounding rock eroded away/area in general uplifted, exposing the rock

[Chris_L]

Slightly Different from what was said above (Click to Show Hidden Text)

1. Batholith 2. Igneous Intrusion that was uplifted. 3. Erosion from Merced River and other rivers in area caused gorge to form beneath Half Dome and El Cap, exposing the sides of these giant igneous intrustions.

[silentsage]

Almost there, but I'll give it to you, Chris. Parts 1 and 2 are great, but the erosional process was glaciation--look at the shape of the valley.

[Chris_L]

Ahh oops totally blanked on that, umm so for my question...What is the Moho and where is it?

Once finished with part1 (Click to Show Hidden Text)

Are there other discontinuities like this one? Name them all.

[liberalartslover]

Answer (Click to Show Hidden Text)

Moho is the boundary between the crust and the mantle. The Lehman discontinuity is inner core/outer core; the Gutenberg discontinuity is the outer core/mantle.

[Chris_L]

nice ur turn

[liberalartslover]

What are two main factors in determining the viscosity of a magma? Also, what effect does each of them have (directly/inversely proportional)?

[boomvroomshroom]

What are two main factors in determining the viscosity of a magma? Also, what effect does each of them have (directly/inversely proportional)?

Answer: (Click to Show Hidden Text)

Temperature and composition (% silica). Temperature is inverse (hotter magma is runnier) whereas silica is direct (more silica=thicker magma).