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Poorman group, Gold Hill Mining District, Boulder County, Colorado, USAi
Regional Level Types
Poorman groupGroup of Occurrences
Gold Hill Mining DistrictMining District
Boulder CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
40° 2' 15'' North , 105° 20' 56'' West
Latitude & Longitude (decimal):
40.03750,-105.34889
GeoHash:
G#: 9xj5f8x72
GRN:
N27W59
Type:
Group of Occurrences
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Crisman186 (2011)1.1km
Seven Hills121 (2011)1.3km
Tall Timber208 (2011)2.6km
Mountain Meadows274 (2011)3.1km
Pine Brook Hill983 (2011)3.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Flatirons Mineral ClubBoulder, Colorado7km
Mile High Rock and Mineral SocietyArvada, Colorado34km
Colorado Mineral SocietyLakewood, Colorado43km
Denver Gem and Mineral GuildDenver, Colorado45km
Friends of Mineralogy - Colorado Chapter Denver, Colorado45km
Mindat Locality ID:
110371
Long-form identifier:
mindat:1:2:110371:0
GUID (UUID V4):
0


Commodities (Major) - Gold
Deposit Type: Vein
Development Status: Occurrence
Host Rock Unit: Browns Park Formation
Host Rock: Quartz Monzonite

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


11 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Altaite
Formula: PbTe
ⓘ Gold
Formula: Au
ⓘ Hematite
Formula: Fe2O3
ⓘ Jamesonite
Formula: Pb4FeSb6S14
ⓘ Mercury
Formula: Hg
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Petzite
Formula: Ag3AuTe2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Sphalerite
Formula: ZnS
ⓘ Sylvanite
Formula: AgAuTe4
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
ⓘMercury1.AD.05Hg
Group 2 - Sulphides and Sulfosalts
ⓘPetzite2.BA.75Ag3AuTe2
ⓘSphalerite2.CB.05aZnS
ⓘAltaite2.CD.10PbTe
ⓘSylvanite2.EA.05AgAuTe4
ⓘPyrite2.EB.05aFeS2
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘJamesonite2.HB.15Pb4FeSb6S14
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
OOxygen
Oⓘ HematiteFe2O3
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
AlAluminium
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ JamesonitePb4FeSb6S14
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
FeIron
Feⓘ HematiteFe2O3
Feⓘ JamesonitePb4FeSb6S14
Feⓘ PyriteFeS2
CuCopper
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
AgSilver
Agⓘ PetziteAg3AuTe2
Agⓘ SylvaniteAgAuTe4
SbAntimony
Sbⓘ JamesonitePb4FeSb6S14
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
Teⓘ AltaitePbTe
Teⓘ PetziteAg3AuTe2
Teⓘ SylvaniteAgAuTe4
AuGold
Auⓘ GoldAu
Auⓘ PetziteAg3AuTe2
Auⓘ SylvaniteAgAuTe4
HgMercury
Hgⓘ MercuryHg
PbLead
Pbⓘ AltaitePbTe
Pbⓘ JamesonitePb4FeSb6S14

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

LOVERING AND GODDARD, 1950, USGS PP 223, PG. 224-226 PLATE 22.
HUMPHREY, 1955, C U MS THESIS.
CONSV. DIV. COMP. DATE, 1,62.
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