Subject
petroleum geology
5
raw material
5
petroleum geochemistry
4
raw material supply
4
mining
3
ore mining
3
uranium deposit
3
Mines and mineral resources
2
Nuclear engineering
2
aluminum
2
geography
2
material flow
2
methane production
2
mineral exploration
2
mineral resources
2
minerals
2
natural gas deposit
2
natural gas exploration
2
ore deposit
2
ore mineral
2
petroleum deposit
2
raw material consumption
2
raw material policy
2
reservoir
2
Atlantic Ocean
1
Geology, economic
1
Mineralogy
1
applied geophysics
1
atmospheric exchange process
1
coal gasification
1
copper
1
ecology
1
economy
1
environmental engineering
1
environmental program
1
environmental quality
1
geographical map
1
geophysical prospecting
1
geothermal exploration
1
gold
1
hydrogen production
1
leaching
1
market
1
metal
1
methane
1
methanogenic bacterium
1
microbial ecology
1
mineral deposit
1
mineral processing
1
mineralogy
1
more ...