Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

MROP > Cr and Cu > Flashcards

Cr and Cu Flashcards

1
Q

Commercil chromite ores must contain more than

A

45% Cr2O3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cr:Fe ratio of metallurgical grade

A

2.5:1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Cr:Fe ratio of refractory grade

A

2.5:2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Cr:Fe Ratio of chemical grade

A

1.6:1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Cr specific grav

A

7.17

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Cr hardness

A

8.5-9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Associated minerals with Cr

A

Olvine, Talc, Serpentine, Uvarovite, Pyroxene, Biotite, Magnetite, Anorthite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Cr comrpises ___% of stainless steel

A

10%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Main ore of Chromium found in Ultramafics

A

Chromite (FeCr2O4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Chromite deposits formed by igneous processes

A

Orthomagmatic Deposits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Examples of Residual/Transported Cr Deposits

A

Alluvial, placer deposits
Laterite deposits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Cu Density

A

8.96

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Chalcopyrite

A

CuFeS2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Bornite

A

Cu5FeS4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Covellite

A

CuS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Chalcocite

A

Cu2S

17
Q

Malachite

A

Cu2CO3(OH)2

18
Q

Azurite

A

Cu3(CO3)2(OH)2

19
Q

Chrysocolla

A

CuSiO3-2H20

20
Q

Cuprite

A

Cu2O

21
Q

Luzonite & Enargite

A

Cu3AsS4

22
Q

the declining Cu production trend in the 1990s and 2000s can be attributed to what event

A

Marcopper Disaster of 1996

23
Q

The age of Porphry Cu types in the Ph

A

Cret to Pleisto

24
Q

Host rock of Carmen Copper

A

Lutopan Diorite

25
Q

Types of VMS deposits

A

> -Kuroko Type
-Cypruss Type
-Besshi (Kiesbeger)

26
Q

Kuroko Type Characteristic

A

Vein Type

27
Q

Cyprus Type Characteristic

A

Massive

28
Q

Besshi Type Characteristic

A

Strata bound
Lenticular
Metamorphism of Kuroko and Cypruss

29
Q

Vein type Cu characteristics

A

fissure and breccia fillings along fracture and fault zones
Luzonites and Enargites

MROP (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions