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Geology Quiz (OQ)

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Anthony
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Geology Quiz (OQ)

Unread postby Anthony » Sat Feb 21, 2009 4:02 pm

I think its time for a quiz about... Geology!!

Geology is the science of the composition, structure and history of the earth.

So lets start with a fairly simple one...

How are igneous rocks formed and give two examples of these type of rocks...?
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Re: Geology Quiz (RV)

Unread postby oddesy » Sat Feb 21, 2009 4:14 pm

:thumbs_up: :thumbs_up:

Igneous rocks are formed by cooling molten material, lava or magma eg diamonds and quartz, shale
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Re: Geology Quiz (RV)

Unread postby Anthony » Sat Feb 21, 2009 5:32 pm

Oddesy, yes, the rocks are formed in this way... but, diamond and quartz are examples of minerals, not rocks, and shale is a sedimentary rock, which is made up of geological materials that have been compacted together...
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Re: Geology Quiz (RV)

Unread postby Olivine » Sat Feb 21, 2009 6:14 pm

Both diamonds (they are found in kimberlites) and quartz are minerals found in igneous rocks, but examples of igneous rocs are granite and basalt

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Re: Geology Quiz (RV)

Unread postby Anthony » Sun Feb 22, 2009 3:40 am

Great stuff Olivine!! And welcome to the forums!!
You are now IT!! :dance: Go ahead and ask a question...
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Re: Geology Quiz (RV)

Unread postby Meandering Mouse » Sun Feb 22, 2009 8:49 am

:popcorn:
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Re: Geology Quiz (RV)

Unread postby Olivine » Sun Feb 22, 2009 1:32 pm

Ok, here goes…

Quartz is usually glassy, but sometimes it contains impurities which give it different colours. These quartz varieties have different names, of which some are used as semi-precious stones.

The question is: Name 5 of the different quartz varieties

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Re: Geology Quiz (RV)

Unread postby Anthony » Sun Feb 22, 2009 9:23 pm

One is "pink quartz"?? I think??
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Re: Geology Quiz (RV)

Unread postby CuriousCanadian » Sun Feb 22, 2009 9:39 pm

Amethyst??? Flint???
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Re: Geology Quiz (RV)

Unread postby Shidzidzii » Mon Feb 23, 2009 1:10 pm

Rose quartz
Tigers eye
Amethyst
Agate
Jasper
Onyx

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Re: Geology Quiz (RV)

Unread postby Olivine » Mon Feb 23, 2009 4:20 pm

:clap: Well done mikev, you have correctly named 5 of the quartz varieties.
And cc, amathyst are quartz, but flint is a type of chert, which are a rock type and not quartz.

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Re: Geology Quiz (RV)

Unread postby Shidzidzii » Tue Feb 24, 2009 7:15 am

In Kruger National Park some of the oldest continental rocks are exposed , which is equaled only at a few places elsewhere , so these are important .

1. Name these 5 kinds of rocks ?

2. What geological era do they come from , and their approximate age in million years ?

3. Which two general areas will you find them in ?
Give as many landmarks as you wish where they can be found by way of illustration .

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Re: Geology Quiz (RV)

Unread postby Anthony » Thu Feb 26, 2009 1:42 am

Question 1 and 2 I dont have answers for, but as for question 3...

I do know that the kopies around the Phalaborwa gate area are of some geological significance. :huh:
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Re: Geology Quiz (RV)

Unread postby Shidzidzii » Thu Feb 26, 2009 12:11 pm

A clue is probably called for , in case the question is too obtuse !

Jacana publish their map and companion GAME RESERVE GUIDE , FIND IT etc. with
a list of numbered geological (and historical ) landmarks . That's where you will find the answers .

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Re: Geology Quiz (RV)

Unread postby Imberbe » Thu Feb 26, 2009 12:21 pm

Just a note here:

Please try and keep the quiz simple. A complicated quiz tends to leave the average forumite cold and only the experts active. Which gets boring after a while ...

Because geology is not a subject many people have much knowledge about, it is especially important in this quiz.

A few tips here:

1. Please ask only one question at a time.

2. If there are many possible answers such as 10 types of this or that, ask for only two or three.

3. Try not to use too technical terms where possible.

4. If there has been a more difficult question, try to make the following one an easy one. There is nothing wrong with easy questions!

5. If you are not an expert ... do not hesitate to partake in a quiz. The quizzes are about learning and having fun. Not about who is wrong and who has all the answers!

Enjoy!
:wink:
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