Pikes Peak granite
E714058
Pikes Peak granite is a distinctive, coarse-grained Precambrian igneous rock that forms much of Colorado’s Front Range, including the summit region of Pikes Peak and surrounding mountains.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pikes Peak granite canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8133217 — 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: Pikes Peak granite Context triple: [Cheyenne Mountain, geology, Pikes Peak granite]
-
A.
Hallowell granite
Hallowell granite is a durable, fine-grained granite historically quarried in Hallowell, Maine, widely used in prominent public buildings and monuments in the United States.
-
B.
Valser granite
Valser granite is a distinctive Swiss natural stone from the Vals region, renowned for its grey, finely banded appearance and frequent use in high-quality architectural and urban design projects.
-
C.
Colorado Yule marble
Colorado Yule marble is a high-quality, pure white marble from Colorado renowned for its use in major U.S. monuments and buildings.
-
D.
Heavitree Quartzite
Heavitree Quartzite is a prominent Proterozoic quartzite rock formation in central Australia, notable for its extensive outcrops and role as a key stratigraphic unit in the region’s geological history.
-
E.
Lookout Sandstone
Lookout Sandstone is a prominent sedimentary rock formation of the southern Appalachian region, notable for shaping the dramatic cliffs and canyon walls of areas like Little River Canyon.
- 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: Pikes Peak granite Target entity description: Pikes Peak granite is a distinctive, coarse-grained Precambrian igneous rock that forms much of Colorado’s Front Range, including the summit region of Pikes Peak and surrounding mountains.
-
A.
Hallowell granite
Hallowell granite is a durable, fine-grained granite historically quarried in Hallowell, Maine, widely used in prominent public buildings and monuments in the United States.
-
B.
Valser granite
Valser granite is a distinctive Swiss natural stone from the Vals region, renowned for its grey, finely banded appearance and frequent use in high-quality architectural and urban design projects.
-
C.
Colorado Yule marble
Colorado Yule marble is a high-quality, pure white marble from Colorado renowned for its use in major U.S. monuments and buildings.
-
D.
Heavitree Quartzite
Heavitree Quartzite is a prominent Proterozoic quartzite rock formation in central Australia, notable for its extensive outcrops and role as a key stratigraphic unit in the region’s geological history.
-
E.
Lookout Sandstone
Lookout Sandstone is a prominent sedimentary rock formation of the southern Appalachian region, notable for shaping the dramatic cliffs and canyon walls of areas like Little River Canyon.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Precambrian rock
ⓘ
felsic intrusive rock ⓘ granite ⓘ igneous rock ⓘ plutonic rock ⓘ |
| approximateAgeInMillionsOfYears | 1100 ⓘ |
| associatedRockType |
aplite dikes
ⓘ
pegmatite dikes ⓘ |
| associatedWith | Pikes Peak batholith NERFINISHED ⓘ |
| collectingInterest |
source of gem-quality amazonite
ⓘ
source of smoky quartz crystals ⓘ |
| color |
pink
ⓘ
reddish ⓘ |
| commonMineral |
biotite
ⓘ
hornblende ⓘ plagioclase feldspar ⓘ quartz ⓘ |
| containsMineral |
amazonite
ⓘ
fluorite ⓘ smoky quartz ⓘ topaz ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dominantMineral |
microcline feldspar
ⓘ
potassium feldspar ⓘ |
| economicUse |
decorative stone
ⓘ
dimension stone ⓘ |
| formedBy | crystallization of magma at depth ⓘ |
| forms |
core of Pikes Peak
ⓘ
large portions of Colorado’s Front Range ⓘ |
| geochemicalType |
alkali-rich
ⓘ
silica-rich ⓘ |
| geologicAge |
Mesoproterozoic
NERFINISHED
ⓘ
Precambrian NERFINISHED ⓘ |
| geologicProvince | Southern Rocky Mountains NERFINISHED ⓘ |
| grainSize | coarse-grained ⓘ |
| intrusiveBodyType | batholith ⓘ |
| lithology | coarse-grained granite ⓘ |
| namedAfter | Pikes Peak NERFINISHED ⓘ |
| notableLocality |
Cheyenne Mountain area
NERFINISHED
ⓘ
Pikes Peak summit region NERFINISHED ⓘ Rampart Range NERFINISHED ⓘ |
| outcropsIn |
Colorado
NERFINISHED
ⓘ
Front Range NERFINISHED ⓘ Pikes Peak NERFINISHED ⓘ |
| tectonicSetting |
A-type granite
ⓘ
anorogenic ⓘ |
| texture | phaneritic ⓘ |
| weatheringStyle | forms rounded domes and tors ⓘ |
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: Pikes Peak granite Description of subject: Pikes Peak granite is a distinctive, coarse-grained Precambrian igneous rock that forms much of Colorado’s Front Range, including the summit region of Pikes Peak and surrounding mountains.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.