Gutenberg discontinuity
E377370
The Gutenberg discontinuity is the seismic boundary within the Earth that marks the transition between the solid mantle and the liquid outer core.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Gutenberg discontinuity canonical | 2 |
| Lehmann discontinuity | 1 |
| Mohorovičić discontinuity | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3668758 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gutenberg discontinuity Context triple: [Beno Gutenberg, notableWork, Gutenberg discontinuity]
-
A.
Mantle
Mantle is a surname most famously associated with Mickey Mantle, the legendary American baseball player.
-
B.
Romanche transform fault
The Romanche transform fault is a major east–west striking fracture zone and transform fault in the equatorial Atlantic Ocean that offsets the Mid-Atlantic Ridge and hosts one of the deepest points in the Atlantic.
-
C.
Earth lithosphere
The Earth lithosphere is the planet’s rigid outer shell, comprising the crust and uppermost mantle broken into tectonic plates that move and interact to shape Earth’s surface.
-
D.
Septentrional-Oriente fault zone
The Septentrional-Oriente fault zone is a major strike-slip fault system in the northern Caribbean region that accommodates tectonic motion between the North American and Caribbean plates and is a significant source of regional earthquakes.
-
E.
Romanche Fracture Zone
The Romanche Fracture Zone is a major transform fault and deep-sea fracture zone in the equatorial Atlantic Ocean that offsets the Mid-Atlantic Ridge and hosts one of the deepest points in the Atlantic basin.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gutenberg discontinuity Target entity description: The Gutenberg discontinuity is the seismic boundary within the Earth that marks the transition between the solid mantle and the liquid outer core.
-
A.
Mantle
Mantle is a surname most famously associated with Mickey Mantle, the legendary American baseball player.
-
B.
Romanche transform fault
The Romanche transform fault is a major east–west striking fracture zone and transform fault in the equatorial Atlantic Ocean that offsets the Mid-Atlantic Ridge and hosts one of the deepest points in the Atlantic.
-
C.
Earth lithosphere
The Earth lithosphere is the planet’s rigid outer shell, comprising the crust and uppermost mantle broken into tectonic plates that move and interact to shape Earth’s surface.
-
D.
Septentrional-Oriente fault zone
The Septentrional-Oriente fault zone is a major strike-slip fault system in the northern Caribbean region that accommodates tectonic motion between the North American and Caribbean plates and is a significant source of regional earthquakes.
-
E.
Romanche Fracture Zone
The Romanche Fracture Zone is a major transform fault and deep-sea fracture zone in the equatorial Atlantic Ocean that offsets the Mid-Atlantic Ridge and hosts one of the deepest points in the Atlantic basin.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
geophysical boundary
ⓘ
seismic discontinuity ⓘ |
| aboveLayer | lower mantle ⓘ |
| affects |
P-wave velocities
ⓘ
S-wave propagation ⓘ |
| associatedWith | global seismic wave shadow zones ⓘ |
| belowLayer | outer core ⓘ |
| causes | disappearance of S-waves in the outer core ⓘ |
| characterizedBy | sharp change in seismic wave velocities ⓘ |
| discoveredUsing | seismology ⓘ |
| evidenceFor | liquid state of Earth's outer core ⓘ |
| fieldOfStudy |
geophysics
ⓘ
seismology ⓘ |
| hasApproximateDepthRange | 2890 to 2910 kilometers ⓘ |
| hasCoordinateSystem | measured by depth from Earth's surface ⓘ |
| hasPhysicalPropertyChange |
composition change
ⓘ
density increase ⓘ phase change from solid to liquid ⓘ |
| identifiedBy | analysis of seismic wave travel times ⓘ |
| isBoundaryBetween | mantle and core ⓘ |
| isDistinctFrom |
Gutenberg discontinuity
self-linksurface differs
ⓘ
surface form:
Lehmann discontinuity
Gutenberg discontinuity self-linksurface differs ⓘ
surface form:
Mohorovičić discontinuity
|
| isPartOf | core–mantle system ⓘ |
| locatedAtDepth | approximately 2900 kilometers ⓘ |
| locatedWithin | Earth's interior ⓘ |
| marksTransitionBetween |
liquid outer core
ⓘ
solid mantle ⓘ |
| namedAfter | Beno Gutenberg ⓘ |
| partOf | Earth's internal structure ⓘ |
| separates |
Earth's mantle
ⓘ
Earth's outer core ⓘ |
| typeOf | core–mantle boundary ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Gutenberg discontinuity Description of subject: The Gutenberg discontinuity is the seismic boundary within the Earth that marks the transition between the solid mantle and the liquid outer core.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mohorovičić discontinuity
this entity surface form:
Lehmann discontinuity