Palisades Sill

E574673

Palisades Sill is a prominent Jurassic-age igneous intrusion along the Hudson River, best known for forming the steep basalt cliffs of the New Jersey–New York Palisades.

All labels observed (1)

Label Occurrences
Palisades Sill canonical 5

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf geologic formation ⓘ
igneous intrusion ⓘ
sill ⓘ
approximateAgeMa 200 ⓘ
associatedWith opening of the Atlantic Ocean ⓘ
coolingHistory slow cooling at shallow crustal depths ⓘ
country United States ⓘ
emplacementEnvironment subsurface sill intrusion ⓘ
eruptionStyle non-eruptive intrusive body ⓘ
exposedIn Palisades Interstate Park ⓘ
extendsFrom Jersey City, New Jersey ⓘ
linked to: Jersey City
extendsTo near Nyack, New York ⓘ
forms New Jersey Palisades ⓘ
New York Palisades ⓘ
Palisades cliffs ⓘ
linked to: Palisades
geologicAge Jurassic ⓘ
hasFeature chilled margins ⓘ
coarse-grained interior ⓘ
hasImportance classic site for studying sill emplacement ⓘ
landmark along the Hudson River ⓘ
intrudedInto Newark Basin sequence ⓘ
linked to: Newark Supergroup
lithology basaltic rock ⓘ
diabase ⓘ
dolerite ⓘ
locatedAlong Hudson River ⓘ
locatedIn Hudson River Palisades ⓘ
New Jersey ⓘ
New York ⓘ
maximumThickness approximately 300 meters ⓘ
mineralogy olivine (local) ⓘ
plagioclase ⓘ
pyroxene ⓘ
notableFor columnar jointing ⓘ
prominent vertical cliffs ⓘ
overlies sedimentary rocks of the Newark Basin ⓘ
partOf Central Atlantic Magmatic Province ⓘ
protectedBy Palisades Interstate Park Commission ⓘ
relatedFeature Newark Basin ⓘ
Watchung basalts ⓘ
rockType mafic intrusive rock ⓘ
studiedInDiscipline geomorphology ⓘ
igneous petrology ⓘ
structural geology ⓘ
tectonicSetting rift-related magmatism ⓘ
visibleAs steep basalt cliffs ⓘ

How these facts were elicited

Referenced by (5)

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

New Jersey Palisades → partOf → Palisades Sill ⓘ
Palisades → hasRockUnitName → Palisades Sill ⓘ
New Jersey Piedmont → contains → Palisades Sill ⓘ
Palisades (Hudson River) → partOf → Palisades Sill ⓘ