GeoLogic Mapping C

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elephantower
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Re: GeoLogic Mapping C

Postby elephantower » April 25th, 2015, 4:53 pm

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!
[S/N]
N/A = didn't compete

2013:
Geologic Mapping: 1, 2
Designer Genes: 3, :(
Astronomy: N/A, :(
2014:
Geologic Mapping: 1, N/A
Protein Modelling: 1, N/A
It's About Time: 1, N/A
Forensics: 9, N/A
2015:
Geologic Mapping: 1, ?
Hydrogeology: 1, ?
It's About Time: 1, ?
Forensics: 10, ?

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silentsage
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Re: GeoLogic Mapping C

Postby silentsage » April 26th, 2015, 3:53 pm

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: ImageImage
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Re: GeoLogic Mapping C

Postby boomvroomshroom » April 26th, 2015, 8:08 pm

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:
[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]

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

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Re: GeoLogic Mapping C

Postby Chris_L » April 26th, 2015, 10:13 pm

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.
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Re: GeoLogic Mapping C

Postby silentsage » April 27th, 2015, 2:38 pm

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.
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Re: GeoLogic Mapping C

Postby Chris_L » April 27th, 2015, 9:33 pm

Ahh oops totally blanked on that, umm so for my question...What is the Moho and where is it?
Are there other discontinuities like this one? Name them all.
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Re: GeoLogic Mapping C

Postby liberalartslover » April 28th, 2015, 9:07 am

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.

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Re: GeoLogic Mapping C

Postby Chris_L » April 28th, 2015, 6:44 pm

nice :) ur turn
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Re: GeoLogic Mapping C

Postby liberalartslover » May 2nd, 2015, 11:06 am

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

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Re: GeoLogic Mapping C

Postby boomvroomshroom » May 2nd, 2015, 12:34 pm

What are two main factors in determining the viscosity of a magma? Also, what effect does each of them have (directly/inversely proportional)?
Temperature and composition (% silica). Temperature is inverse (hotter magma is runnier) whereas silica is direct (more silica=thicker magma).


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