geochemicalSignals
P122461
predicate
Indicates the presence or characteristics of chemical signatures in geological materials that reveal past environmental, biological, or geological processes.
Observed surface forms (4)
| Surface form | Occurrences |
|---|---|
| geochemicalCharacteristic | 5 |
| geochemicalSignature | 3 |
| geochemicalType | 2 |
| sulfurIsotopeSignature | 1 |
Sample triples (13)
| Subject | Object |
|---|---|
| Late Devonian | positive carbon isotope excursions ⓘ |
| Late Devonian | black shale deposition ⓘ |
| Kellwasser horizons | high total organic carbon via predicate surface "geochemicalSignature" ⓘ |
| Kellwasser horizons | enrichment in redox-sensitive trace metals via predicate surface "geochemicalSignature" ⓘ |
| Kellwasser horizons | negative carbon isotope excursions via predicate surface "geochemicalSignature" ⓘ |
| Hangenberg black shales | high total organic carbon content via predicate surface "geochemicalCharacteristic" ⓘ |
| Hangenberg black shales | enriched in redox-sensitive trace metals via predicate surface "geochemicalCharacteristic" ⓘ |
| Hangenberg black shales | often show positive excursions in organic carbon isotopes via predicate surface "geochemicalCharacteristic" ⓘ |
| Carlin Trend mining district | sedimentary sulfur signature via predicate surface "sulfurIsotopeSignature" ⓘ |
| Pikes Peak granite | silica-rich via predicate surface "geochemicalType" ⓘ |
| Pikes Peak granite | alkali-rich via predicate surface "geochemicalType" ⓘ |
| Yemen flood basalts | enriched mantle signatures via predicate surface "geochemicalCharacteristic" ⓘ |
| Yemen flood basalts | trace element enrichment via predicate surface "geochemicalCharacteristic" ⓘ |