Klonk Section
E538411
The Klonk Section is a globally significant stratigraphic site in the Czech Republic that serves as the formal reference point for the base of the Devonian System.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
Global Boundary Stratotype Section and Point
ⓘ
geological heritage site ⓘ stratigraphic section ⓘ |
| access | exposed in a small quarry face ⓘ |
| approximateAgeMa | 419.2 million years ago ⓘ |
| contains | continuous Silurian–Devonian sedimentary record ⓘ |
| country | Czech Republic ⓘ |
| defines |
Silurian–Devonian boundary
NERFINISHED
ⓘ
base of the Devonian System ⓘ |
| geologicSetting | marine sedimentary succession ⓘ |
| geologicTimeBoundary | Pridoli–Lochkovian boundary NERFINISHED ⓘ |
| governingBody | Czech nature conservation authorities ⓘ |
| GSSPStatus | first formally ratified GSSP ⓘ |
| hasProtectionStatus | national nature monument ⓘ |
| heritageSignificance | global stratigraphic standard ⓘ |
| lithology |
limestone
ⓘ
shale ⓘ |
| locatedIn |
Beroun District
NERFINISHED
ⓘ
Central Bohemian Region NERFINISHED ⓘ near the village of Suchomasty ⓘ |
| marksBaseOf |
Lochkovian Stage
NERFINISHED
ⓘ
Lower Devonian Series NERFINISHED ⓘ |
| nearbyCity | Beroun NERFINISHED ⓘ |
| nextSystem | Devonian System NERFINISHED ⓘ |
| notableFor |
clear definition of the Devonian base
ⓘ
excellent fossil preservation ⓘ |
| previousSystem | Silurian System NERFINISHED ⓘ |
| primaryMarkerFossil |
Monograptus uniformis
NERFINISHED
ⓘ
Monograptus uniformis uniformis NERFINISHED ⓘ |
| ratificationYear | 1972 ⓘ |
| ratifiedBy |
International Commission on Stratigraphy
NERFINISHED
ⓘ
International Union of Geological Sciences NERFINISHED ⓘ |
| recognizedBy | International Commission on Stratigraphy NERFINISHED ⓘ |
| regionGeology | Barrandian area NERFINISHED ⓘ |
| scientificDiscipline |
geochronology
ⓘ
paleontology ⓘ stratigraphy ⓘ |
| stratigraphicRole | global stratotype for the base of the Devonian ⓘ |
| timeScaleUnit |
Devonian Period
NERFINISHED
ⓘ
Paleozoic Era NERFINISHED ⓘ Silurian Period NERFINISHED ⓘ |
| usedFor |
calibration of the geologic time scale
ⓘ
global correlation of Silurian–Devonian boundary strata ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.