Macrostrat
Lexicon
Economics
Rocks
Energy
Hydrocarbon
oil-prone source
1
gas-prone source
2
oil/gas source
3
oil reservoir
4
gas reservoir
5
oil/gas reservoir
6
oil/gas indet.
7
gas indet.
8
oil indet.
9
oil shale
11
oil sand
12
Nuclear
uranium ore
10
Coal
coal
13
Precious commodity
Mineral
placer gold
14
silver
15
gold
16
Water
Aquifer
aquifer
17
ground water
18
artesian aquifer
21
Material
Construction
cement
19
aggregate
20
brick
22
sand and gravel
23
