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Re: Rocks & Minerals B/C

Posted: April 6th, 2017, 7:35 am
by Mp3nguin__
Magikarpmaster629 wrote:
Mp3nguin__ wrote: Only need to ID
Hmm I'll say it's oolitic limestone
Correct! Your turn :)

Re: Rocks & Minerals B/C

Posted: April 6th, 2017, 8:04 am
by Magikarpmaster629
Image
1. ID
2. How is this rock classified? Be specific.
3. How is this rock formed?

Re: Rocks & Minerals B/C

Posted: April 6th, 2017, 8:36 pm
by dechirico
Let's hope this is right: 1. Travertine 2. Sedimentary (limestone) 3. Deposits by mineral springs

Re: Rocks & Minerals B/C

Posted: April 7th, 2017, 11:15 am
by Magikarpmaster629
dechirico wrote:Let's hope this is right: 1. Travertine 2. Sedimentary (limestone) 3. Deposits by mineral springs
Hmm, good on 1 and 3 but I'm looking for something more specific for 2. Think clastic/nonclastic.

Re: Rocks & Minerals B/C

Posted: April 7th, 2017, 11:31 am
by dechirico
Ah, that makes sense. Answer below: 2. Nonclastic-- it's formed through evaporation

Re: Rocks & Minerals B/C

Posted: April 7th, 2017, 12:09 pm
by Magikarpmaster629
dechirico wrote:Ah, that makes sense. Answer below: 2. Nonclastic-- it's formed through evaporation
Yep, non clastic chemical to be more specific. Your turn!

Re: Rocks & Minerals B/C

Posted: April 7th, 2017, 12:38 pm
by dechirico
Awesome! Now, next question:
1. ID the mineral. 2. What kind of rocks does this specimen most widely occur in?
Image

Re: Rocks & Minerals B/C

Posted: April 9th, 2017, 4:26 pm
by Magikarpmaster629
dechirico wrote:Awesome! Now, next question:
1. ID the mineral. 2. What kind of rocks does this specimen most widely occur in?
Image
Hmm, 1. Albite plagioclase 2. Felsic igneous rock

Re: Rocks & Minerals B/C

Posted: April 13th, 2017, 7:33 pm
by Magikarpmaster629
While we're waiting on that, here's a nationals mineral:
Image
1. ID the red-brown vitreous mineral (not the metallic one it's on)
2. What is this commonly an ore of?

Re: Rocks & Minerals B/C

Posted: April 14th, 2017, 7:38 am
by dxu46
Magikarpmaster629 wrote:While we're waiting on that, here's a nationals mineral:
Image
1. ID the red-brown vitreous mineral (not the metallic one it's on)
2. What is this commonly an ore of?
Is this Zircon? 1. Zircon 2. Zirconium