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This gold nugget (placer gold) is 9.5 mm across at its widest. Credit: James St. John.

Metal minerals is a lecture from the school of geology and the radiation astronomy department. It is about solid, crystalline substances that occur in and compose astronomical objects including the Earth. It focuses on materials containing large amounts of metals that may occur on the surface of or associated with some astronomical objects.

You are free to take this quiz based on metal minerals at any time.

To improve your scores, read and study the lecture, the links contained within, listed under See also and External links, and in the {{radiation astronomy resources}} and {{geology resources}} templates. This should give you adequate background to get 100 %.

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Quiz

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1 Yes or No, Aluminum is an aluminide element.

Yes
No

2 Bayerite is a polymorph of gibbsite and has the same chemical

3 True or False, Aluminium is an aluminide element.

TRUE
FALSE

4 The type locality for native aluminum is the Tolbachik volcano, Kamchatka,

5 True or False, Boron is an alkali element.

TRUE
FALSE

6 Complete the text:

The designation for

aluminum is Al0. It has been found as a flake protruding from the

matrix of a rock specimen collected from a

pegmatite vein.

7 Yes or No, Gallium is an aluminide element.

Yes
No

8 Corundum is a mineral that is associated with which of the following

predicting the end of the Earth
determine the accuracy of local computers
sapphire
emery
predicting when currently dormant volcanoes will erupt
ruby

9 Yes or No, Silicon is a metalloid element.

Yes
No

10 True or False, Indium is a transition-metal element.

TRUE
FALSE

11 Yes or No, Radium is an actinide element.

Yes
No

12 Carnotite is a potassium uranium

radioactive mineral.

13 Yes or No, Lead is an actinide element.

Yes
No

14 Autunite occurs as an oxidizing product of uranium minerals in granite pegmatites and hydrothermal

.

15 True or False, Actinium is an actinide element.

TRUE
FALSE

16 Complete the text:

Elements usually emit a

during nuclear

or

.

17 True or False, Actinide minerals, or actinides, are those with unusually high concentrations, atomic per cents, or weight per cents, of the actinide elements.

TRUE
FALSE

18 Carnotite is a mineral that may be associated with which phenomena?

varying water content
small amounts of calcium, barium, magnesium, iron, and sodium
a bright to greenish yellow mineral
demonstrating that Venus was once a comet
amounts as low as one percent will color sandstone a bright yellow.
an important uranium ore
usually found in sedimentary rocks in arid climates

19 Yes or No, Thorium is an actinide element.

Yes
No

20 A terrestrial planet is composed primarily of?

21 Yes or No, Protactinium is an actinide element.

Yes
No

22 The primary source of the world's thorium is the rare-earth, and thorium, phosphate mineral

.

23 Yes or No, Uranium is an actinide element.

Yes
No

24 Complete the text:

The extremely rare element technetium can be found in

in very small quantities (about 0.2 ng/kg), produced by the

fission of uranium-238.

25 True or False, Neptunium is an actinide element.

TRUE
FALSE

26 Which geochemical phenomena are associated with thorianite?

thorium oxide
lightning
common in the alluvial gem-gravels of Sri Lanka
the mineral is slightly less radioactive than pitchblende
liquid methane oceans
water worn, small, heavy, black, cubic crystals

27 True or False, There are blue or blue mineral containing meteorites.

TRUE
FALSE

28 True or False, Plutonium is an actinide element.

TRUE
FALSE

29 Phenomena associated with torbernites?

have a gaseous surface
radioactive
hydrated green copper uranyl phosphate mineral
isostructural with the related uranium mineral, autunite
the number of water hydration molecules can vary between 12 and 8
gives rise to a variety of metatorbernite when torbernite spontaneously dehydrates

30 True or False, Americium is an actinide element.

TRUE
FALSE

31 The rarest naturally occurring element on Earth is named

32 True or False, Curium is an actinide element.

TRUE
FALSE

33 Uranophane is a rare calcium uranium

hydrate mineral.

34 True or False, Berkelium is an actinide element.

TRUE
FALSE

35 Red ochre is a natural pigment composed of what likely source of red?

36 True or False, Californium is an actinide element.

TRUE
FALSE

37 Match up the crystal with the mineral

uraninite - A
monazite - B
pitchblende - C
thorianite - D

.

.

.
File:Uraninite crystal cluster.jpg

.

38 Yes or No, Einsteinium is an actinide element.

Yes
No

39 A gamma-ray spectrum for autunite is likely to show peaks for Ra-226,

and Bi-214.

40 True or False, Fermium is an actinide element.

TRUE
FALSE

41 Fullerite appears to be a tentative name for the mineral occurrence of

.

42 True or False, Fermium isotopes have been found in precambrian carbonate rocks from Sao Paulo State.

TRUE
FALSE

43 Chaoites are another hexagonal form of native

44 Yes or No, Mendelevium is an actinide element.

Yes
No

45 Complete the text:

The mineral Lonsdaleite is a translucent,

and is made from the atoms of

but the arrangement of these atoms is different from the

of carbon atoms in a

.

46 Yes or No, Nobelium is an actinide element.

Yes
No

47 Elpidite has the formula Na2ZrSi6O15·3H2O. As a chalcogen mineral it is also a

.

48 Yes or No, Lawrencium is an actinide element.

Yes
No

49 Complete the text:

At volcanic locations, native

sulfur can be seen flowing and it is

.

50 Yes or No, Silicon is an aluminide element.

Yes
No

51 Elyite has the chemical formula Pb4Cu(SO4)(OH)8. Which chalcogens are contained in the mineral?

lead
copper
sulfur
oxygen
hydrogen
plumbum

52 True or False, Indium is an aluminide element.

TRUE
FALSE

53 Yes or No, Aluminum is an carbonide element.

Yes
No

54 True or False, Diamond is an carbonide element.

TRUE
FALSE

55 True or False, Boron occurs naturally in chaoites.

TRUE
FALSE

56 Yes or No, The weight of a diamond is measured in carrots.

Yes
No

57 Yes or No, A carbonate (CO3) usually occurs with an anion.

Yes
No

58 True or False, Carpathite is an carbonide element.

TRUE
FALSE

59 Yes or No, Abelsonites contain more carbon than hartites.

Yes
No

60 Yes or No, Carbonate minerals are chalcogen minerals.

Yes
No

61 True or False, Emplectite has the chemical formula CuBiS2. It contains the chalcogen bismuth.

TRUE
FALSE

62 True or False, Emmonsite, or durdenite, has the formula Fe2(TeO3)3·2H2O. It is a tellurate mineral.

TRUE
FALSE

63 Yes or No, Enargite (Cu3AsS4) is an arsenate.

Yes
No

64 True or False, Carpathite is a chalcogen mineral.

TRUE
FALSE

65 Yes or No, Silicon carbide contains one chalcogen.

Yes
No

66 Yes or No, Phosphate minerals are also chalcogen minerals.

Yes
No


Hypotheses

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Main resource: Hypotheses
  1. Metal-based minerals make up most of the surface compositions of rocky-objects.

See also

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{{Radiation astronomy resources}}

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