Klonk, near Suchomasty, Czech Republic

E538412

Klonk, near Suchomasty in the Czech Republic, is a globally significant stratigraphic site that serves as the international reference point for the base of the Lochkovian stage of the Devonian period.

All labels observed (1)

Label Occurrences
Klonk, near Suchomasty, Czech Republic canonical 2

How this entity was disambiguated

Statements (43)

Predicate Object
instanceOf Global Boundary Stratotype Section and Point ⓘ
geological heritage site ⓘ
stratigraphic section ⓘ
access exposed in a small quarry ⓘ
boundaryBetween Devonian ⓘ
Silurian ⓘ
closestMajorCity Prague ⓘ
coordinatesApprox 49.9°N 14.1°E ⓘ
country Czech Republic ⓘ
defines base of the Devonian System ⓘ
base of the Lochkovian Stage ⓘ
designatedAs GSSP for the base of the Lochkovian ⓘ
discipline paleontology ⓘ
stratigraphy ⓘ
distanceFromPragueApprox about 30 km southwest ⓘ
fossilContent brachiopods ⓘ
conodonts ⓘ
graptolites ⓘ
geologicalPeriod Devonian ⓘ
geologicalStage Lochkovian ⓘ
governingBody International Commission on Stratigraphy ⓘ
lithology limestone ⓘ
shale ⓘ
locatedIn Beroun District ⓘ
Central Bohemian Region ⓘ
Suchomasty ⓘ
namedAfter nearby hill Klonk ⓘ
near Beroun ⓘ
Suchomasty ⓘ
notableFor continuous marine sedimentary record across the boundary ⓘ
well-preserved Silurian–Devonian transition ⓘ
partOf Barrandian area ⓘ
Bohemian Massif ⓘ
protectedAs national nature monument ⓘ
protectionStatus geological nature reserve ⓘ
ratificationYear 1972 ⓘ
ratifiedBy International Union of Geological Sciences ⓘ
region Central Bohemia ⓘ
stratigraphicSignificance global stratotype for the Silurian–Devonian boundary ⓘ
international reference point for the base of the Lochkovian ⓘ
timeBoundaryAgeApprox around 419 million years ago ⓘ
usedFor calibration of the Devonian time scale ⓘ
global chronostratigraphic correlation ⓘ

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Lochkovian → GSSPLocation → Klonk, near Suchomasty, Czech Republic ⓘ
Lochkovian Epoch → lowerBoundaryLocation → Klonk, near Suchomasty, Czech Republic ⓘ