ALLUVIAL EXPLORATION & MINING
PHOTOGEOLOGY | SEISMIC SURVEY | BANKA DRILLING | MANAGEMENT | TRAINING
GOLD
gold
gold chemistry
gold transport
gold production
Gold Geology
alluvial deposits
primary deposits
gold maps
Gold History
gold lore
primitive
classic
medieval
renaissance
post-renaissance
DIAMONDS
diamonds
exploration
diamond production
diamond trade
diamond value
diamond wars
diamond cutting
Diamonds History
mining history
large and famous
Diamond Pictures
diamond pictures
Precious Stones
rubies
sapphires
emeralds
aquamarines
gem cutting
ALLUVIAL EXPLORATION
survey
BANKA Alluvial Drills
drilling manual
HAND drills
drill parts
tools 1
tools 2
tools 3
tools 4
MOTOR drills
ALLUVIAL MINING
example
Engines
DEUTZ engines
diesel-engines
Equipments
mining systems
gravel pumps
water pumps
high pressure
water pumps
pump stands
couplings
engine-pump frames
Pipes, Hoses, etc.
water systems
Recovery systems
recovery systems
gold recovery
diamond recovery
River Dredges
diver-less dredges
Accessories
generators
firefighting pumps
Trucks 4x4
4x4 trucks
Spare Parts
parts
Pricing
Prices
SERVICES
photo geology
seismic survey
field manager
profile
photos
contact
- la version française 
- la versíon española
Diamond Production
2004
World Natural Diamond Production 2004 (157,300,000 carats worth 11.8 billion US$)
| Country | Production | Position | Value | Position | Average carat value |
cts. |
% |
US$ |
% |
US$/ct. |
|
| Russia | 33,000,000 |
21.0 |
1,989,000 |
16.9 |
60.27 |
| Botswana | 30,400,000 |
19.3 |
2,940,000 |
25.0 |
96.71 |
| Congo | 29,200,000 |
18.6 |
790,000 |
6.7 |
27.05 |
| Australia | 31,000,000 |
19.7 |
343,000 |
2.9 |
11.06 |
| South Africa | 12,500,000 |
7.9 |
1,458,000 |
12.4 |
116.64 |
| Canada | 10,800,000 |
6.9 |
1,646,000 |
14.0 |
152.41 |
| Angola | 6,100,000 |
3.9 |
1,300,000 |
11.0 |
213.11 |
| Namibia | 1,400,000 |
0.9 |
698,000 |
5.9 |
498.57 |
| Others | 2,900,000 |
1.8 |
613,000 |
5.2 |
211.38 |
157,300,000 |
11,777,000 |
International Trade
According to statistical indicators 2005, the flow of international trade (Imports and Exports) of rough diamonds for 2004 was US$ 61,9 billion, 31,1% above that of 2003 (US$ 47,3 billion).
Reserves |
2003 |
2004 |
|
M cts. |
cts. |
cts |
|
| Russia | 650 |
38,865,770 |
33,019,000 |
| Botswana | 2250 |
31,036,367 |
30.371,290 |
| Australia | 2300 |
21,160,262 |
31,028,000 |
| Congo DRC | 3500 |
30,040,479 |
29,232,612 |
| South Africa | 1500 |
14,092,132 |
12,522,313 |
| Canada | 12.618,080 |
10,755,654 |
|
| Angola | 6,146,361 |
6,061,072 |
|
| Namibia | 2,046,962 |
1,377,606 |
|
| Guyana | 457,258 |
942,757 |
|
| Sierra Leone | 691,757 |
507,424 |
|
| Brazil | 260 |
300,000 |
400,000 |
| India | 78,574 |
73,327 |
|
| Venezuela | 9,510 |
38,642 |
|
| Others | 2200 |
611,704 |
942,639 |
| TOTAL | 12,660 |
158,155,217 |
157,272,336 |
Rafal Swiecki, geological engineer email contact
This document is in the public domain.
March, 2011