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General Practice

Geoscientists, Except Hydrologists and Geographers
Study the composition, structure, and other physical aspects of the Earth. May use geological, physics, and mathemati...

Geochemist

Geoscientists, Except Hydrologists and Geographers
Study the chemical composition and reactions of rocks, minerals, soils, waters, and gases to understand Earth process...

Geodesist

Geoscientists, Except Hydrologists and Geographers
Measure and model the Earth's size, shape, gravity field, orientation, and surface deformation to build and maintain ...

Geologist

Geoscientists, Except Hydrologists and Geographers
Study and interpret Earth's materials, structures, and surface processes to map the subsurface, reconstruct geologic ...

Geophysicist

Geoscientists, Except Hydrologists and Geographers
Apply physics, mathematics, and computational methods to investigate the Earth's physical properties and subsurface s...

Mineralogist

Geoscientists, Except Hydrologists and Geographers
Investigate the composition, properties, occurrence, and formation of natural and industrial minerals. Use crystallog...

Oceanographer

Geoscientists, Except Hydrologists and Geographers
Study the physical, chemical, and geological properties of oceans and coastal seas, using field observations, remote ...

Paleontologist

Geoscientists, Except Hydrologists and Geographers
Study fossils and other evidence of ancient life to reconstruct Earth’s biological and environmental history. Use geo...

Petroleum Geologist

Geoscientists, Except Hydrologists and Geographers
Study subsurface geology to discover, appraise, and develop oil and gas resources. Integrate seismic, well, and geoch...