Birimian gold belt
E779352
The Birimian gold belt is a geologically ancient, mineral-rich region in West Africa renowned as one of the world's major sources of gold.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ashanti gold belt | 1 |
| Birimian gold belt canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9128990 — 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: Birimian gold belt Context triple: [West African Craton, notableRegion, Birimian gold belt]
-
A.
Yukon goldfields
The Yukon goldfields were the remote, gold-rich regions of Canada’s Yukon Territory that sparked the Klondike Gold Rush of the late 1890s, drawing tens of thousands of prospectors north.
-
B.
Appalachian gold belt
The Appalachian gold belt is a geologic region along the Appalachian Mountains known for its historic and commercially significant gold deposits, particularly in the southeastern United States.
-
C.
Rio Tinto mining district
The Rio Tinto mining district is a historically significant mining region in southwestern Spain known for its extensive deposits of copper and other metals and its vividly colored, highly acidic river environment.
-
D.
Barberton Greenstone Belt
The Barberton Greenstone Belt is one of the oldest and best-preserved pieces of Earth’s early continental crust, renowned for its Archean volcanic and sedimentary rocks that provide key evidence about the planet’s early geological and biological history.
-
E.
Eureka Mining District
The Eureka Mining District is a historic mining area in central Nevada known for its rich deposits of silver, lead, and other minerals that spurred significant 19th-century mining activity.
- 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: Birimian gold belt Target entity description: The Birimian gold belt is a geologically ancient, mineral-rich region in West Africa renowned as one of the world's major sources of gold.
-
A.
Yukon goldfields
The Yukon goldfields were the remote, gold-rich regions of Canada’s Yukon Territory that sparked the Klondike Gold Rush of the late 1890s, drawing tens of thousands of prospectors north.
-
B.
Appalachian gold belt
The Appalachian gold belt is a geologic region along the Appalachian Mountains known for its historic and commercially significant gold deposits, particularly in the southeastern United States.
-
C.
Rio Tinto mining district
The Rio Tinto mining district is a historically significant mining region in southwestern Spain known for its extensive deposits of copper and other metals and its vividly colored, highly acidic river environment.
-
D.
Barberton Greenstone Belt
The Barberton Greenstone Belt is one of the oldest and best-preserved pieces of Earth’s early continental crust, renowned for its Archean volcanic and sedimentary rocks that provide key evidence about the planet’s early geological and biological history.
-
E.
Eureka Mining District
The Eureka Mining District is a historic mining area in central Nevada known for its rich deposits of silver, lead, and other minerals that spurred significant 19th-century mining activity.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
gold-bearing geological belt
ⓘ
greenstone belt ⓘ mineral province ⓘ |
| associatedWith |
quartz vein gold deposits
ⓘ
shear-zone hosted gold mineralization ⓘ |
| contains |
Ashanti gold belt
ⓘ
Houndé belt ⓘ Kédougou-Kéniéba inlier ⓘ Loulo gold district ⓘ Sadiola gold district ⓘ Syama belt ⓘ |
| depositType | orogenic gold deposit ⓘ |
| economicImportance |
major source of gold production in West Africa
ⓘ
significant contributor to national revenues of host countries ⓘ |
| explorationStatus | intensively explored for gold ⓘ |
| extendsAcross |
Burkina Faso
ⓘ
Côte d’Ivoire ⓘ
linked to:
Côte d'Ivoire
Ghana ⓘ Guinea ⓘ Mali ⓘ Niger ⓘ Senegal ⓘ Sierra Leone ⓘ |
| formationProcess | Paleoproterozoic volcanic and sedimentary accretion ⓘ |
| geologicalAge | Paleoproterozoic ⓘ |
| globalRanking | one of the world’s major gold provinces ⓘ |
| hostCountry |
Burkina Faso
ⓘ
Côte d’Ivoire ⓘ
linked to:
Côte d'Ivoire
Ghana ⓘ Guinea ⓘ Mali ⓘ Niger ⓘ Senegal ⓘ Sierra Leone ⓘ |
| hostRockType |
greenstone sequences
ⓘ
sedimentary rocks ⓘ volcanic rocks ⓘ |
| knownFor |
large orogenic gold deposits
ⓘ
world-class gold mines ⓘ |
| locatedIn | West Africa ⓘ |
| mineralResource |
base metals
ⓘ
bauxite ⓘ gold ⓘ manganese ⓘ |
| partOf |
Birimian terrane
ⓘ
linked to:
Birimian terranes
|
| structuralControl | major regional shear zones ⓘ |
| tectonicSetting | Paleoproterozoic volcanic arc and basin system ⓘ |
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: Birimian gold belt Description of subject: The Birimian gold belt is a geologically ancient, mineral-rich region in West Africa renowned as one of the world's major sources of gold.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Birimian gold belt