Cortez mining district
E618070
The Cortez mining district is a major gold-producing area in north-central Nevada, known for its large-scale open-pit and underground operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cortez mining district canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6763905 — 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: Cortez mining district Context triple: [Shoshone Range, contains, Cortez mining district]
-
A.
Round Mountain mining district
The Round Mountain mining district is a notable gold-producing area in central Nevada, best known for the large open-pit Round Mountain Gold Mine.
-
B.
Candelaria mining district
The Candelaria mining district is a historic silver-mining area in Nevada known for its rich ore deposits and boomtown activity in the late 19th century.
-
C.
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.
-
D.
Picher mining district
The Picher mining district is a historically significant lead and zinc mining area in northeastern Oklahoma that formed part of the larger Tri-State mining region and later became notorious as a major environmental Superfund site.
-
E.
Cherry Creek mining district
The Cherry Creek mining district is a historic silver and gold mining area in eastern Nevada known for its 19th-century boomtown activity and numerous underground mines.
- 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: Cortez mining district Target entity description: The Cortez mining district is a major gold-producing area in north-central Nevada, known for its large-scale open-pit and underground operations.
-
A.
Round Mountain mining district
The Round Mountain mining district is a notable gold-producing area in central Nevada, best known for the large open-pit Round Mountain Gold Mine.
-
B.
Candelaria mining district
The Candelaria mining district is a historic silver-mining area in Nevada known for its rich ore deposits and boomtown activity in the late 19th century.
-
C.
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.
-
D.
Picher mining district
The Picher mining district is a historically significant lead and zinc mining area in northeastern Oklahoma that formed part of the larger Tri-State mining region and later became notorious as a major environmental Superfund site.
-
E.
Cherry Creek mining district
The Cherry Creek mining district is a historic silver and gold mining area in eastern Nevada known for its 19th-century boomtown activity and numerous underground mines.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gold mining district
ⓘ
mining district ⓘ |
| containsMine |
Cortez Hills mine
ⓘ
linked to:
Cortez Gold Mine
Goldrush project ⓘ Horse Canyon mine ⓘ Pediment deposit ⓘ Pipeline mine ⓘ
linked to:
Pipeline Mine
|
| country |
United States
ⓘ
linked to:
United States of America
|
| depositType | Carlin-type gold deposit ⓘ |
| discovered | 1860s ⓘ |
| economicImportance |
one of the largest gold-producing areas in Nevada
ⓘ
one of the major gold-producing districts in the United States ⓘ |
| environmentalConcern |
land disturbance from open-pit mining
ⓘ
water use and quality impacts ⓘ |
| geologicalSetting | carbonate-hosted sedimentary rocks ⓘ |
| historicalProduction | significant silver production in the 19th century ⓘ |
| hostRock |
Paleozoic carbonate rocks
ⓘ
siliciclastic sedimentary rocks ⓘ |
| knownFor |
Carlin-type gold deposits
ⓘ
large-scale gold production ⓘ open-pit mining operations ⓘ underground mining operations ⓘ |
| locatedIn |
Nevada
ⓘ
north-central Nevada ⓘ |
| locatedInAdministrativeEntity |
Eureka County, Nevada
ⓘ
Lander County, Nevada ⓘ |
| mineral |
gold
ⓘ
silver ⓘ |
| miningMethod |
open-pit mining
ⓘ
underground mining ⓘ |
| modernDevelopment | large-scale gold mining since late 20th century ⓘ |
| nearbySettlement |
Beowawe, Nevada
ⓘ
Crescent Valley, Nevada ⓘ |
| operatedBy |
Nevada Gold Mines
ⓘ
linked to:
Round Mountain Gold Mine
|
| oreControl |
stratigraphic controls on mineralization
ⓘ
structurally controlled mineralization ⓘ |
| oreType |
oxidized gold ore
ⓘ
refractory gold ore ⓘ |
| partOf |
Battle Mountain–Eureka mineral belt
ⓘ
linked to:
Battle Mountain mining district
Cortez Trend ⓘ |
| previousOperator |
Barrick Gold
ⓘ
linked to:
Barrick Gold Corporation
Newmont Corporation ⓘ
linked to:
Newmont Mining
|
| processingMethod |
heap leaching
ⓘ
milling ⓘ |
| regulatoryAuthority |
Nevada Division of Environmental Protection
ⓘ
U.S. Bureau of Land Management ⓘ |
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: Cortez mining district Description of subject: The Cortez mining district is a major gold-producing area in north-central Nevada, known for its large-scale open-pit and underground operations.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.