Subject
Geology
Geology, Stratigraphic
Paleontology
10
Texas
4
Petrology
3
Petroleum Geology
2
Sedimentation and deposition
2
Alaska
1
Animals, Fossil
1
Antarctica
1
Central Oklahoma Aquifer (Okla.)
1
Chinle Formation
1
Colorado
1
Cutler Formation
1
Fusulinida
1
Fusulinidae
1
Geochemical prospecting
1
Geochemistry
1
Groundwater
1
Hydrocarbon reservoirs
1
Hydrothermal alteration
1
Idaho
1
Igneous rocks
1
Invertebrates, Fossil
1
Limestone
1
Maroon Formation (Colo.)
1
Mesaverde Group
1
Metamorphic rocks
1
Micropaleontology
1
Montana
1
Natural gas Geology
1
New Mexico
1
Permian Basin (Tex. and N.M.)
1
Phosphates
1
Reefs
1
Salt deposits
1
Sedimentary basins Development
1
Shale
1
Yeso Formation (N.M. and Tex.)
1