Round Mountain Gold Mine
E170542
Round Mountain Gold Mine is a large open-pit gold mining operation in central Nevada known for its significant gold production.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Round Mountain Gold Mine canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T1496034 — 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: Round Mountain Gold Mine Context triple: [Nye County, contains, Round Mountain Gold Mine]
-
A.
Battle Mountain mining district
The Battle Mountain mining district is a historically significant mineral-producing area in north-central Nevada known for its rich gold and copper deposits.
-
B.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
C.
El Teniente mine
El Teniente mine is one of the world’s largest underground copper mines, located in central Chile and operated by the state-owned company Codelco.
-
D.
Coarsegold
Coarsegold is a small unincorporated community in central California, known historically as a Gold Rush-era mining town and now as a gateway stop on the route to Yosemite National Park.
-
E.
Comstock Lode area
The Comstock Lode area is a historically significant mining district in Nevada famed for its rich silver ore deposits that spurred a major 19th-century mining boom and helped drive U.S. economic growth.
- 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: Round Mountain Gold Mine Target entity description: Round Mountain Gold Mine is a large open-pit gold mining operation in central Nevada known for its significant gold production.
-
A.
Battle Mountain mining district
The Battle Mountain mining district is a historically significant mineral-producing area in north-central Nevada known for its rich gold and copper deposits.
-
B.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
C.
El Teniente mine
El Teniente mine is one of the world’s largest underground copper mines, located in central Chile and operated by the state-owned company Codelco.
-
D.
Coarsegold
Coarsegold is a small unincorporated community in central California, known historically as a Gold Rush-era mining town and now as a gateway stop on the route to Yosemite National Park.
-
E.
Comstock Lode area
The Comstock Lode area is a historically significant mining district in Nevada famed for its rich silver ore deposits that spurred a major 19th-century mining boom and helped drive U.S. economic growth.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
gold mine
ⓘ
open-pit mine ⓘ surface mining operation ⓘ |
| commercialProductionStart | 1977 ⓘ |
| commodityProduced | gold ⓘ |
| contributesTo |
Nevada gold production
ⓘ
U.S. gold production ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositType | epithermal gold deposit ⓘ |
| discoveredIn | 1906 ⓘ |
| economicImpact | major employer in central Nevada ⓘ |
| employs | mine workers in Nye County ⓘ |
| environmentalManagement |
heap leach solution containment
ⓘ
reclamation activities ⓘ waste rock management ⓘ |
| hasExpansion | Phase W expansion project ⓘ |
| hasFeature |
heap leach pads
ⓘ
large open pit ⓘ processing facilities ⓘ |
| hasInfrastructure |
administration buildings
ⓘ
crushing facilities ⓘ haul roads ⓘ maintenance shops ⓘ |
| hasLicense | mining permits from Nevada authorities ⓘ |
| hostRock | volcanic rocks ⓘ |
| isOneOf |
largest gold mines in Nevada
ⓘ
largest open-pit gold mines in the United States ⓘ |
| isSubjectOf |
U.S. Geological Survey publications
ⓘ
technical reports by Kinross Gold ⓘ |
| lifeOfMineExtendedBy | Phase W expansion project ⓘ |
| locatedIn |
Nevada
ⓘ
Nye County ⓘ
surface form:
Nye County, Nevada
central Nevada ⓘ |
| miningMethod | open-pit mining ⓘ |
| nearSettlement |
Round Mountain
ⓘ
surface form:
Round Mountain, Nevada
Tonopah ⓘ
surface form:
Tonopah, Nevada
|
| operatedBy | Kinross Gold Corporation ⓘ |
| oreType | low-grade disseminated gold ore ⓘ |
| ownedBy | Kinross Gold Corporation ⓘ |
| previousOwner | Barrick Gold Corporation ⓘ |
| processingMethod |
carbon-in-column processing
ⓘ
heap leaching ⓘ mill processing ⓘ |
| produces | gold doré bars ⓘ |
| regulatoryJurisdiction |
Nevada
ⓘ
surface form:
State of Nevada
U.S. federal mining laws ⓘ |
| safetyFocus | mine worker safety programs ⓘ |
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: Round Mountain Gold Mine Description of subject: Round Mountain Gold Mine is a large open-pit gold mining operation in central Nevada known for its significant gold production.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.