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Millar's Mine, Monmouth Township, Highlands East Township, Haliburton County, Ontario, Canadai
Regional Level Types
Millar's MineMine
Monmouth TownshipTownship (Former)
Highlands East TownshipTownship
Haliburton CountyCounty
OntarioProvince
CanadaCountry

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Latitude & Longitude (WGS84):
44° 58' 9'' North , 78° 17' 35'' West
Latitude & Longitude (decimal):
44.96917,-78.29306
GeoHash:
G#: drbrf6ksr
GRN:
N30W41
Type:
Mine
KΓΆppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Haliburton Village1,149 (2019)20.2km
Bancroft3,838 (2008)35.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Bancroft Gem and Mineral Club and MuseumBancroft, Ontario36km
Kawartha Rock & Fossil ClubPeterborough, Ontario47km
Mindat Locality ID:
21445
Long-form identifier:
mindat:1:2:21445:7
GUID (UUID V4):
314b1897-2b61-4cf1-9ab5-1933c7fb8c1c


In calcite veins cutting graphic granite pegmatite.

Was opened around 1900 as a radioactive mineral and phosphate prospect and consists of two open-cuts, two trenches, and an adit (9 m long).

Old workings for apatite on lot 15, concession XI, Monmouth township, are
situated north and south of the road that parallels the south boundary of the lot. In the southwest corner of the lot are several pits and an adit, all of which are overgrown with vegetation. The adit is driven north into the side of a hill for a length of 30 feet. White carbonate veins containing pale-green apatite crystals are exposed in these workings.
Ten chains north of the road, near the top of a hill, a trench 45 feet long, 4 to 5 feet wide, and 8 feet deep was put down on a carbonate vein cutting a
graphic granite-pegmatite. Remnants of carbonate on the walls of the trench
indicate that the vein may have been from 2 to 5 feet wide, trending N. 400 W. The vein can be traced northwest for 60 feet beyond the trench. The walls of the trench are covered with pink feldspar crystals from 2 to 6 inches in diameter and dark-green hornblende crystals from 3 to 6 inches in diameter. Dump material shows books of dark mica with a maximum diameter of 9 inches, minor amounts of titanite, and crystals of green apatite from l to 4 inches in diameter. This deposit is described as Millar's phosphate mine by Adams and Barlow. Ab Gibson of Tory Hill reports that these deposits were worked about 1900, the apatite crystals being hand-cobbed for shipment. There is, however, no recorded production.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


15 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

β“˜ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Description: 'amphibole' and 'clinoamphibole' according to Geological Survey of Canada Miscellaneous Report 39.
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ Calcite
Formula: CaCO3
β“˜ Chondrodite
Formula: Mg5(SiO4)2F2
β“˜ 'Clinopyroxene Subgroup'
Colour: colorless to light green
β“˜ Fluorapatite
Formula: Ca5(PO4)3F
β“˜ Goethite
Formula: Ξ±-Fe3+O(OH)
β“˜ Microcline
Formula: K(AlSi3O8)
β“˜ Orthoclase
Formula: K(AlSi3O8)
Habit: xls
Colour: colorless
Description: In calcite.
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Quartz var. Smoky Quartz
Formula: SiO2
β“˜ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
β“˜ Talc
Formula: Mg3Si4O10(OH)2
β“˜ Thorianite
Formula: ThO2
β“˜ Thorite
Formula: Th(SiO4)
β“˜ Titanite
Formula: CaTi(SiO4)O
β“˜ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
References:
Andrew Debnam
β“˜ Uraninite
Formula: UO2
References:
Reiner Mielke
β“˜ Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O

Gallery:

◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2β“˜ Actinolite
AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2β“˜ 'Amphibole Supergroup'
Ca5(PO4)3Fβ“˜ Fluorapatite
K(AlSi3O8)β“˜ Microcline
ThO2β“˜ Thorianite
CaTi(SiO4)Oβ“˜ Titanite
◻Ca2Mg5(Si8O22)(OH)2β“˜ Tremolite

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
β“˜Goethite4.00.Ξ±-Fe3+O(OH)
β“˜Quartz4.DA.05SiO2
β“˜var. Smoky Quartz4.DA.05SiO2
β“˜Thorianite4.DL.05ThO2
β“˜Uraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
β“˜Thorite9.AD.30Th(SiO4)
β“˜Chondrodite9.AF.45Mg5(SiO4)2F2
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 Β· 5H2O
β“˜Tremolite9.DE.10β—»Ca2Mg5(Si8O22)(OH)2
β“˜Actinolite9.DE.10β—»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜Talc9.EC.05Mg3Si4O10(OH)2
β“˜Orthoclase ?9.FA.30K(AlSi3O8)
β“˜Microcline9.FA.30K(AlSi3O8)
Unclassified
β“˜'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Clinopyroxene Subgroup'-
β“˜'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ GoethiteΞ±-Fe3+O(OH)
Hβ“˜ TalcMg3Si4O10(OH)2
Hβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hβ“˜ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Hβ“˜ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ CalciteCaCO3
Oβ“˜ ChondroditeMg5(SiO4)2F2
Oβ“˜ FluorapatiteCa5(PO4)3F
Oβ“˜ GoethiteΞ±-Fe3+O(OH)
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ OrthoclaseK(AlSi3O8)
Oβ“˜ QuartzSiO2
Oβ“˜ Quartz var. Smoky QuartzSiO2
Oβ“˜ TalcMg3Si4O10(OH)2
Oβ“˜ ThorianiteThO2
Oβ“˜ ThoriteTh(SiO4)
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oβ“˜ UraniniteUO2
Oβ“˜ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Oβ“˜ Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
Fβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ ChondroditeMg5(SiO4)2F2
Fβ“˜ FluorapatiteCa5(PO4)3F
MgMagnesium
Mgβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgβ“˜ ChondroditeMg5(SiO4)2F2
Mgβ“˜ TalcMg3Si4O10(OH)2
Mgβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Alβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ MicroclineK(AlSi3O8)
Alβ“˜ OrthoclaseK(AlSi3O8)
SiSilicon
Siβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ ChondroditeMg5(SiO4)2F2
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ OrthoclaseK(AlSi3O8)
Siβ“˜ QuartzSiO2
Siβ“˜ Quartz var. Smoky QuartzSiO2
Siβ“˜ TalcMg3Si4O10(OH)2
Siβ“˜ ThoriteTh(SiO4)
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siβ“˜ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Siβ“˜ Serpentine SubgroupD3[Si2O5](OH)4
PPhosphorus
Pβ“˜ FluorapatiteCa5(PO4)3F
SSulfur
Sβ“˜ PyriteFeS2
ClChlorine
Clβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ MicroclineK(AlSi3O8)
Kβ“˜ OrthoclaseK(AlSi3O8)
CaCalcium
Caβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caβ“˜ CalciteCaCO3
Caβ“˜ FluorapatiteCa5(PO4)3F
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caβ“˜ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
TiTitanium
Tiβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ TitaniteCaTi(SiO4)O
FeIron
Feβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ GoethiteΞ±-Fe3+O(OH)
Feβ“˜ PyriteFeS2
ThThorium
Thβ“˜ ThorianiteThO2
Thβ“˜ ThoriteTh(SiO4)
UUranium
Uβ“˜ UraniniteUO2
Uβ“˜ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

Mindat Articles

Millar's Mine Adit by Chris Rohricht


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References

www.geologyontario.mndm.gov.on.ca (n.d.) http://www.geologyontario.mndm.gov.on.ca/mndmfiles/MDI/data/records/MDI31D16NW00031.html
Satterly, J. (1943), Mineral Occurrences in the Haliburton Area, Ontario Department of Mines, Fifty-Second Annual Report Vol. LII, Part II., p.20.
Sabina, A.P. (1986) Rocks and Minerals for the Collector: Bancroft – Parry Sound Area and Southern Ontario. Geological Society of Canada Miscellaneous Report 39. 182 pages.
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