Observations April 23, 2014 - Bas-relief

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SportsFan68
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Observations April 23, 2014 - Bas-relief

#1 Post by SportsFan68 » Wed Apr 30, 2014 10:18 am

Since we were in Atlanta anyway for my cousin's wedding, we decided to drive out to Stone Mountain State Park to view the impressive bas-relief carved into the largest granite face in the world.
-- In Iroquois society, leaders are encouraged to remember seven generations in the past and consider seven generations in the future when making decisions that affect the people.
-- America would be a better place if leaders would do more long-term thinking. -- Wilma Mankiller

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Estonut
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Re: Observations April 23, 2014 - Bas-relief

#2 Post by Estonut » Fri May 02, 2014 12:43 am

SportsFan68 wrote:Since we were in Atlanta anyway for my cousin's wedding, we decided to drive out to Stone Mountain State Park to view the impressive bas-relief carved into the largest granite face in the world.
Stone Mountain is not the largest granite face in the world. It's not even granite.
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Bob Juch
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Re: Observations April 23, 2014 - Bas-relief

#3 Post by Bob Juch » Fri May 02, 2014 4:54 am

Estonut wrote:
SportsFan68 wrote:Since we were in Atlanta anyway for my cousin's wedding, we decided to drive out to Stone Mountain State Park to view the impressive bas-relief carved into the largest granite face in the world.
Stone Mountain is not the largest granite face in the world. It's not even granite.
Wikipedia wrote:Quartz monzonite (or adamellite) is an intrusive, felsic, igneous rock that has an approximately equal proportion of orthoclase and plagioclase feldspars. It is typically a light colored phaneritic (coarse-grained) to porphyritic granitic rock. The plagioclase is typically intermediate to sodic in composition, andesine to oligoclase. Quartz is present in significant amounts. Biotite and/or hornblende constitute the dark minerals. Because of its coloring, it is often confused with granite, but whereas granite contains more than 20% quartz, quartz monzonite is only 5-20% quartz. Rock with less than five percent quartz is classified as monzonite. A rock with more alkali feldspar is a syenite whereas one with more plagioclase is a quartz diorite.[1] The fine grained volcanic rock equivalent of quartz monzonite is quartz latite.[1]
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SportsFan68
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Re: Observations April 23, 2014 - Bas-relief

#4 Post by SportsFan68 » Fri May 02, 2014 9:17 pm

Estonut wrote:
SportsFan68 wrote:Since we were in Atlanta anyway for my cousin's wedding, we decided to drive out to Stone Mountain State Park to view the impressive bas-relief carved into the largest granite face in the world.
Stone Mountain is not the largest granite face in the world. It's not even granite.
I have evidence:

Stone Mountain, the largest exposed granite face in the world, is 15 miles east of Atlanta, Georgia.

http://www.pbs.org/wgbh/americanexperie ... -stonemtn/
-- In Iroquois society, leaders are encouraged to remember seven generations in the past and consider seven generations in the future when making decisions that affect the people.
-- America would be a better place if leaders would do more long-term thinking. -- Wilma Mankiller

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