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30 Second Logic Puzzle
50 Flicks to Click (1985)
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Perfect for geology students!
What country is the Bushveldt complex located?
North West near Pretoria
What area of land does it cover?
300km across and 6-8 km thick
Is it of basaltic or silicic composition?
Lower section mainly peridotite upper two thirds mainly Gabbro
What metals are extracted between the peridotite and gabbro sections?
What metal is extracted at higher levels in the intrusion ?
50% of worlds Vanadium supply with a grade of 0.5-2%
Where are the ore deposits exposed?
How many tonnes of chromite ore are located at the site?
75% of world reserves
What is the name of the ore Vanadium is found in?
It's magnetic dont you know!!!
What does Bushveldt mean in afrikaan?
Apart from fractional crystallisation what other ore producing process occurs here?
I wont lie slightly suprised you got that one
What country is the Rossing uranium deposit found?
CLUE: the answer is in the answer
What is the name of the desert it is found?
That was too easy
How wide is the deposit?
It is also 2.5km long and at least 0.3km deep
How many millions of years ago was the course grained granitic magma injected?
What rock forming minerals do the associated pegmatites contain in alphabetical order please?
There is also Uraninite
what is the bright yellow mineral called when the uranium is percipited from groundwater?
I should really of given you a clue. Sorry.
what is the average grade of the uranium deposit ?
CLUE:it has three o's in the name
What is the name of the mountain range in Cyprus where there is a massive Sulphide deposit?
It was also mined by many ancient civilisations such as the Romans,Greeks, and Phonecians
What element are they rich in?
Which has the elemental symbol Cu
What special name is given to the geological structure of the mountains?
Upper mantle and ocean crust which has been lifted above sea level
Which section are the sulphide deposits located?
CLUE: idiots gold
What is the ore predominantly composed of?
As well as small amounts of chalcopyrite and quartz and tiny amounts of sphalerite
What residual deposit is extracted in Jamaica?
10% of total world production
What time period do the limestones belong to?
CLUE: A number between 1000 and 3000
What is the average annual rainfall?
Greatly aiding erosion of limestone
Where is the majority of Alumina thought to originate from?
Well done for remembering the unit on the PREVIOUS QUESTION !!
How many Mt of reserves are there thought to be?
It was a double clue!! OMG !!
What part of Australia are the black sand placer deposits located?
North Stradbroke island
What meteorlogical occurance lead to the formation of the sandbanks?
You are doing rather well so far!
What is the name of the process where the denser material is left on the beach while the lighter quarts is taken out to sea?
Another form occurs at low tide with the onshore winds blowing the light sands from the lower beach
Which is more efficient at sorting wind or water?
CLUE: more than one man who is sick
Out of the three main ore minerals which one begins with I?
The other two are Zircon and Rutile as well as monazite in tiny amounts
Where is the source of the sands located?
Probably from granites and basalts
What is the name of the mountain range in western Australia where iron ore is mined?
CLUE: twice as big as the previous biggest answer
How many tonnes of iron ore are located there ?
With grades exceeding 55%
What geological period are the rocks from?
2750 and 2300 Ma old!!
The most productive deposits have undergone secondary enrichment and contain mainly what minerals?
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