Gauss–Matuyama geomagnetic reversal

E179503

geological event geomagnetic reversal

The Gauss–Matuyama geomagnetic reversal was a major event in Earth's history when the planet's magnetic field flipped polarity around 2.6 million years ago, marking a key boundary used in geological time scales.

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All labels observed (2)

Label	Occurrences
Gauss–Matuyama geomagnetic reversal canonical	1
Matuyama–Brunhes geomagnetic reversal	1

Statements (44)

Predicate	Object
instanceOf	geological event ⓘ geomagnetic reversal ⓘ
affects	orientation of remanent magnetization in rocks ⓘ
documentedIn	International Commission on Stratigraphy timescales ⓘ
evidenceFoundIn	lava flows ⓘ marine sediment cores ⓘ oceanic crust magnetic anomalies ⓘ
hasAgeUncertainty	tens of thousands of years ⓘ
hasApproximateTime	about 2.6 million years ago ⓘ
hasCause	dynamics of Earth’s liquid outer core ⓘ
hasEffect	reversal of geomagnetic field direction at Earth’s surface ⓘ
hasEndTime	approximately 2.58 million years ago ⓘ
hasFollowingEvent	Matuyama reversed chron ⓘ
hasGlobalExtent	global ⓘ
hasMagneticChronCode	C2r ⓘ
hasPolarityChangeFrom	normal polarity ⓘ
hasPolarityChangeTo	reversed polarity ⓘ
hasPreviousEvent	Gauss normal chron ⓘ
hasStartTime	approximately 2.72 million years ago ⓘ
hasTimescaleDesignation	C2An–C2r boundary ⓘ
identifiedBy	paleomagnetic studies ⓘ
isKeyMarkerFor	Pliocene–Pleistocene climate transition ⓘ onset of Northern Hemisphere glaciation ⓘ
locatedIn	Earth’s outer core magnetic field system ⓘ
marksBoundaryBetween	Pleistocene epoch ⓘ surface form: Pleistocene Pliocene epoch ⓘ surface form: Pliocene
namedAfter	Carl Friedrich Gauss ⓘ Motonori Matuyama ⓘ
occursIn	Pleistocene epoch ⓘ Pliocene epoch ⓘ
partOf	geomagnetic polarity timescale ⓘ
precedes	Olduvai Gorge ⓘ surface form: Olduvai normal subchron
relatedTo	Gauss–Matuyama geomagnetic reversal self-linksurface differs ⓘ surface form: Matuyama–Brunhes geomagnetic reversal
separates	Gauss normal chron ⓘ Matuyama reversed chron ⓘ
studiedInDiscipline	geochronology ⓘ paleomagnetism ⓘ stratigraphy ⓘ
usedAsBoundaryIn	geomagnetic polarity timescale ⓘ global stratigraphic charts ⓘ
usedAsChronostratigraphicMarkerFor	Quaternary onset ⓘ
usedFor	dating of geological and climatic records ⓘ global correlation of sedimentary sequences ⓘ
usedToDefine	Pliocene epoch ⓘ surface form: Pliocene–Pleistocene boundary

Referenced by (2)

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

Quaternary period → baseDefinedBy → Gauss–Matuyama geomagnetic reversal ⓘ

Gauss–Matuyama geomagnetic reversal → relatedTo → Gauss–Matuyama geomagnetic reversal self-linksurface differs ⓘ

this entity surface form: Matuyama–Brunhes geomagnetic reversal