Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| geoche  | 
|---|
| geochemical  | |
|---|---|
| SN | A valid term through 1977. See geochemical maps, geochemical methods, geochemical surveys. | 
| geochemical anomalies  | |
|---|---|
| RT | anomalies | 
| chemical elements | |
| geochemistry | |
| haloes | |
| hydrocarbons | |
| lithogeochemistry | |
| mineral exploration | |
| pollution | |
| SN | Added to Thesaurus in 1993. | 
| geochemical background  | |
|---|---|
| SN | Not a valid term for GeoRef. See background level. | 
| geochemical controls  | |
|---|---|
| RT | controls | 
| mineral deposits, genesis | |
| sedimentation | |
| SN | Also search geochemical. | 
| geochemical cycle  | |
|---|---|
| NT | carbon cycle | 
| RT | carbon | 
| cycles | |
| Gaia hypothesis | |
| geochemistry | |
| metals | |
| migration of elements | |
| nitrogen | |
| oxygen | |
| sulfur | |
| SN | Before 1982, search cycles AND geochemistry. Added to Thesaurus in 1982. | 
| geochemical exploration  | |
|---|---|
| USE | geochemical methods | 
| geochemical indicators  | |
|---|---|
| RT | biomarkers | 
| geochemical surveys | |
| geochemistry | |
| indicators | |
| SN | Added to Thesaurus in 1981. | 
| geochemical investigations  | |
|---|---|
| SN | Not a valid GeoRef index term after 1970. See geochemistry; geochemical methods, geochemical surveys. | 
| geochemical logging  | |
|---|---|
| BT | well-logging | 
| .geochemical logging | |
| UF | chemical logging | 
| RT | geochemistry | 
| geophysical methods | |
| geochemical methods | |
| geochemical surveys | |
| downhole methods | |
| lithogeochemistry | |
| geochemical profiles | |
| SN | Also search geochemical methods and well-logging for methods studies. Added to Thesaurus in 1995. | 
| geochemical maps  | |
|---|---|
| BT | maps | 
| .geochemical maps | |
| SN | Before 1978, search maps AND geochemical. | 
| geochemical methods  | |
|---|---|
| NT | biogeochemical methods | 
| UF | geochemical exploration | 
| geochemical prospecting | |
| RT | geochemistry | 
| chemical analysis | |
| automated analysis | |
| methods | |
| haloes | |
| geochemical surveys | |
| Bear-Slave Operation | |
| mineral exploration | |
| geobotanical methods | |
| exploration | |
| dispersion patterns | |
| radon emanometry | |
| geochemical logging | |
| soil gases | |
| pathfinders | |
| SN | From 1993-1997, restricted to economic studies. Before 1993, also search lithogeochemical methods if applicable. Also see geochemical surveys. | 
| geochemical models  | |
|---|---|
| SN | Not a valid term for GeoRef. Use geochemistry in combination with models. Also use specific names of the geochemical models if available. | 
| Geochemical Ocean Sections Program  | |
|---|---|
| USE | GEOSECS | 
| geochemical profiles  | |
|---|---|
| RT | chemical analysis | 
| geochemical logging | |
| geochemistry | |
| SN | Before 1981, search profiles AND geochemistry. Added to Thesaurus in 1981. | 
| geochemical prospecting  | |
|---|---|
| USE | geochemical methods | 
| geochemical surveys  | |
|---|---|
| BT | surveys | 
| .geochemical surveys | |
| RT | geochemistry | 
| background level | |
| geochemical methods | |
| detection limit | |
| mineral exploration | |
| geochemical indicators | |
| chemical composition | |
| geochemical logging | |
| lake sediments | |
| stream sediments | |
| SN | For economic geology, also see geochemical methods, biogeochemical methods. | 
| geochemistry  | |
|---|---|
| NT | lithogeochemistry | 
| RT | absolute age | 
| absorption | |
| activity | |
| adsorption | |
| advection | |
| alanine | |
| alkalinity | |
| alumina | |
| ammonia compound | |
| ammonium | |
| ammonium ion | |
| anions | |
| aqueous solutions | |
| atmosphere | |
| background level | |
| basin analysis | |
| bicarbonate ion | |
| biochemistry | |
| biogeochemical methods | |
| buffers | |
| calcium | |
| SN | Used for broad treatments as well as specific experiments. |