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Snow Camp Mine (Holman's Mill Mine), Snow Camp, Alamance Co., North Carolina, USA

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Latitude & Longitude (WGS84): 35° 50' 60'' North , 79° 24' 0'' West
Latitude & Longitude (decimal): 35.85000,-79.40000
GeoHash:G#: dnrecnq9m
Locality type:Mine
Köppen climate type:Cfa : Humid subtropical climate


Located 2.7 miles SE of Snow Camp.

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

Snow Camp Mine, Snow Camp, Alamance Co., North Carolina, USA

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


19 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

Andalusite
Formula: Al2(SiO4)O
Reference: USGS Open-File Report 2006-1259
Cacoxenite
Formula: Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Reference: Rocks & Min.: 60:84.; Jason B. Smith collection
'Chert'
Reference: Rocks & Min.: 60:84.
'Chlorite Group'
Reference: USGS Open-File Report 2006-1259
Chloritoid
Formula: (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Reference: E-An Zen,Jan-Feb,1961,The American Mineralogist,Vol.46,Mineralogy and Petrology of the System AI2O3-SiO2-H2O in some Pyrophyllite Deposits of North Carolina
Diaspore
Formula: AlO(OH)
Reference: Rocks & Min.: 60:84.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Smithsonian Institution Mineral Reference Collection No.173490-00
Goethite
Formula: α-Fe3+O(OH)
Reference: Collection of Alex Earl
Hematite
Formula: Fe2O3
Reference: E-An Zen,Jan-Feb,1961,The American Mineralogist,Vol.46,Mineralogy and Petrology of the System AI2O3-SiO2-H2O in some Pyrophyllite Deposits of North Carolina
Ilmenite
Formula: Fe2+TiO3
Reference: Rocks & Min.: 60:84.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: USGS Open-File Report 2006-1259
Lazulite
Formula: (Mg,Fe2+)Al2(PO4)2(OH)2
Reference: USGS Open-File Report 2006-1259
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Collection of Alex Earl
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: E-An Zen,Jan-Feb,1961,The American Mineralogist,Vol.46,Mineralogy and Petrology of the System AI2O3-SiO2-H2O in some Pyrophyllite Deposits of North Carolina
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Rocks & Min.: 60:84.
Paragonite
Formula: NaAl2(AlSi3O10)(OH)2
Reference: USGS Open-File Report 2006-1259
Pyrite
Formula: FeS2
Reference: Rocks & Min.: 60:84.
Pyrophyllite
Formula: Al2Si4O10(OH)2
Reference: Rocks & Min.: 60:84.
Quartz
Formula: SiO2
Reference: E-An Zen,Jan-Feb,1961,The American Mineralogist,Vol.46,Mineralogy and Petrology of the System AI2O3-SiO2-H2O in some Pyrophyllite Deposits of North Carolina
Strengite
Formula: FePO4 · 2H2O
Reference: Jason B. Smith collection
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Rocks & Min.: 60:84.
Variscite
Formula: AlPO4 · 2H2O
Reference: Jason B. Smith collection
Wavellite
Formula: Al3(PO4)2(OH,F)3 · 5H2O
Reference: Jason B. Smith collection

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Pyrite'2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
'Diaspore'4.FD.10AlO(OH)
'Goethite'4.00.α-Fe3+O(OH)
'Hematite'4.CB.05Fe2O3
'Ilmenite'4.CB.05Fe2+TiO3
'Quartz'4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
'Cacoxenite'8.DC.40Fe3+24AlO6(PO4)17(OH)12 · 75H2O
'Lazulite'8.BB.40(Mg,Fe2+)Al2(PO4)2(OH)2
Strengite8.CD.10FePO4 · 2H2O
Variscite8.CD.10AlPO4 · 2H2O
Wavellite8.DC.50Al3(PO4)2(OH,F)3 · 5H2O
Group 9 - Silicates
'Andalusite'9.AF.10Al2(SiO4)O
'Chloritoid'9.AF.85(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Kaolinite'9.ED.05Al2(Si2O5)(OH)4
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
'Paragonite'9.EC.15NaAl2(AlSi3O10)(OH)2
'Pyrophyllite'9.EC.10Al2Si4O10(OH)2
Topaz9.AF.35Al2(SiO4)(F,OH)2
Unclassified Minerals, Rocks, etc.
'Chert'-
'Chlorite Group'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Diaspore6.1.1.1AlO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
(AB)5(XO4)2·xH2O
Strengite40.4.1.2FePO4 · 2H2O
Variscite40.4.1.1AlPO4 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)3(XO4)2Zq
Lazulite41.10.1.1(Mg,Fe2+)Al2(PO4)2(OH)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A3(XO4)2Zq·xH2O
Wavellite42.10.2.1Al3(PO4)2(OH,F)3 · 5H2O
Miscellaneous
Cacoxenite42.13.5.1Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Andalusite52.2.2b.1Al2(SiO4)O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Chloritoid52.3.3.1(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Paragonite71.2.2a.2NaAl2(AlSi3O10)(OH)2
Pyrophyllite71.2.1.1Al2Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Chert'-
'Chlorite Group'-
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
H Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
H DiasporeAlO(OH)
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Goethiteα-Fe3+O(OH)
H KaoliniteAl2(Si2O5)(OH)4
H Lazulite(Mg,Fe2+)Al2(PO4)2(OH)2
H Limonite(Fe,O,OH,H2O)
H MuscoviteKAl2(AlSi3O10)(OH)2
H ParagoniteNaAl2(AlSi3O10)(OH)2
H PyrophylliteAl2Si4O10(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H StrengiteFePO4 · 2H2O
H TopazAl2(SiO4)(F,OH)2
H VarisciteAlPO4 · 2H2O
H WavelliteAl3(PO4)2(OH,F)3 · 5H2O
OOxygen
O AndalusiteAl2(SiO4)O
O CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
O Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
O DiasporeAlO(OH)
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O IlmeniteFe2+TiO3
O KaoliniteAl2(Si2O5)(OH)4
O Lazulite(Mg,Fe2+)Al2(PO4)2(OH)2
O Limonite(Fe,O,OH,H2O)
O MuscoviteKAl2(AlSi3O10)(OH)2
O ParagoniteNaAl2(AlSi3O10)(OH)2
O PyrophylliteAl2Si4O10(OH)2
O QuartzSiO2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O StrengiteFePO4 · 2H2O
O TopazAl2(SiO4)(F,OH)2
O VarisciteAlPO4 · 2H2O
O WavelliteAl3(PO4)2(OH,F)3 · 5H2O
FFluorine
F TopazAl2(SiO4)(F,OH)2
NaSodium
Na ParagoniteNaAl2(AlSi3O10)(OH)2
MgMagnesium
Mg Lazulite(Mg,Fe2+)Al2(PO4)2(OH)2
AlAluminium
Al AndalusiteAl2(SiO4)O
Al CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Al Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Al DiasporeAlO(OH)
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al KaoliniteAl2(Si2O5)(OH)4
Al Lazulite(Mg,Fe2+)Al2(PO4)2(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al ParagoniteNaAl2(AlSi3O10)(OH)2
Al PyrophylliteAl2Si4O10(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al TopazAl2(SiO4)(F,OH)2
Al VarisciteAlPO4 · 2H2O
Al WavelliteAl3(PO4)2(OH,F)3 · 5H2O
SiSilicon
Si AndalusiteAl2(SiO4)O
Si Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si ParagoniteNaAl2(AlSi3O10)(OH)2
Si PyrophylliteAl2Si4O10(OH)2
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si TopazAl2(SiO4)(F,OH)2
PPhosphorus
P CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
P Lazulite(Mg,Fe2+)Al2(PO4)2(OH)2
P StrengiteFePO4 · 2H2O
P VarisciteAlPO4 · 2H2O
P WavelliteAl3(PO4)2(OH,F)3 · 5H2O
SSulfur
S PyriteFeS2
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
TiTitanium
Ti IlmeniteFe2+TiO3
FeIron
Fe CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Fe Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe IlmeniteFe2+TiO3
Fe Limonite(Fe,O,OH,H2O)
Fe PyriteFeS2
Fe StrengiteFePO4 · 2H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cambrian - Neoproterozoic
485.4 - 1000 Ma



ID: 2955147
Felsic Metavolcanic Rock

Age: Neoproterozoic to Cambrian (485.4 - 1000 Ma)

Description: Metamorphosed dacitic to rhyolitic flows and tuffs, light gray to greenish gray; interbedded with mafic and intermediate metavolcanic rock, meta-argillite, and metamudstone.

Comments: Unit descriptions are the same for CAZfv and CAZfv1 thru 2; differentiated only by formation names.

Lithology: Major:{metadacite,metarhyolite,metavolcanic}, Minor:{argillite,slate}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Cambrian - Neoproterozoic
485.4 - 1000 Ma



ID: 3184289
Precambrian-Phanerozoic sedimentary and volcanic rocks

Age: Neoproterozoic to Cambrian (485.4 - 1000 Ma)

Comments: Carolina Slate Belt

Lithology: Sedimentary and volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
E-An, Zen (1961), Mineralogy and Petrology of the System AI2O3-SiO2-H2O in some Pyrophyllite Deposits of North Carolina, The American Mineralogist: 46(January-February.
Rocks & Minerals (1985): 60: 84.
USGS Open-File Report 2006-1259 (2006).
Smithsonian Institution Mineral Reference Collection No.173490-00 (epidote).


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.
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