SEDIS - Thesaurus
optical  | |
|---|---|
| SN | A valid term through 1977. After 1977, use optical spectroscopy, optical spectra, optical properties, optical mineralogy or (as of 1981) optical dispersion or optical extinction as applicable. |
| optical dispersion | |
|---|---|
| RT | backscattering |
| optical properties | |
| refractive index | |
| SN | Added to Thesaurus in 1981. |
| optical extinction | |
|---|---|
| RT | extinction |
| optical properties | |
| undulatory extinction | |
| SN | Before 1981, also search extinction AND minerals. Added to Thesaurus in 1981. |
| optical methods | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. See microscope methods. |
| optical mineralogy | |
|---|---|
| RT | geochronology |
| goniometry | |
| microscope methods | |
| mineralogy | |
| ore microscopy | |
| relative age | |
| optical radar methods | |
|---|---|
| USE | lidar methods |
| optical spectra | |
|---|---|
| BT | spectra |
| .optical spectra | |
| RT | spectroscopy |
| optical spectroscopy | |
| SN | Used for data. For methodology, use optical spectroscopy. Before 1978, search optical AND spectroscopy. |
| optical spectroscopy | |
|---|---|
| BT | spectroscopy |
| .optical spectroscopy | |
| RT | chemical analysis |
| analysis | |
| optical spectra | |
| SN | Before 1978, also search optical AND spectroscopy. |
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