Rocks and Minerals Question Marathon

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PacificGoldenPlover
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Re: Rocks and Minerals Question Marathon

Post by PacificGoldenPlover »

correct
Life List: n. A list of bird species definitively seen by a birdwatcher.
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10manwire
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Re: Rocks and Minerals Question Marathon

Post by 10manwire » 

[img]http://www.pitt.edu/~cejones/GeoImages/2IgneousRocks/IgneousTextures/4PorphyriticFinez/AndesiteHblPorph.jpg[/img]
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melissay63
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Re: Rocks and Minerals Question Marathon

Post by melissay63 » 

Andesite...extrusive porphyry?
So far...medaling has been a rollercoaster
but hopefully, next one would be on top!
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havendude
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Re: Rocks and Minerals Question Marathon

Post by havendude »

Porphyritic andesite?
---Regionals---States---Nats

Rocks and Minerals---2nd---15th---11th
Disease Detectives---1st---3rd---27th
Optics---1st---NA---NA
Crime Busters---2nd---NA---NA
Compute This---NA---32---15th
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10manwire
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Re: Rocks and Minerals Question Marathon

Post by 10manwire »

correct!
"If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away." ~ Henry David Thoreau

"We shall never know all the good that a simple smile can do." ~ Mother Teresa
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melissay63
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Re: Rocks and Minerals Question Marathon

Post by melissay63 »

is it alright if i go? 
[img]http://3.bp.blogspot.com/_IVIqCqlL2a0/TR7m0VMpnxI/AAAAAAAAAGM/xfXDVyN_IVg/s1600/26.jpg[/img]
So far...medaling has been a rollercoaster
but hopefully, next one would be on top!
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eox
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Re: Rocks and Minerals Question Marathon

Post by eox » 

i do believe that thats opal.
the best specimens are found in australia.
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JuiceBagel3
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Re: Rocks and Minerals Question Marathon

Post by JuiceBagel3 » 

Azurite? Used to be worth more than gold due to its value in paint making
Columbia High School
Events: Water Quality, Glaciers, Rocks and Minerals, Forestry
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melissay63
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Re: Rocks and Minerals Question Marathon

Post by melissay63 »

correct...i was going to say it isn't considered a mineral by many
So far...medaling has been a rollercoaster
but hopefully, next one would be on top!
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JuiceBagel3
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Re: Rocks and Minerals Question Marathon

Post by JuiceBagel3 »

Wait eox was correct right?
Columbia High School
Events: Water Quality, Glaciers, Rocks and Minerals, Forestry
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