MacDonald Mine, Monteagle Township, Hastings Highlands Municipality, Hastings County, Ontario, Canadai
| Regional Level Types | |
|---|---|
| MacDonald Mine | Mine (Reclaimed) |
| Monteagle Township | Township |
| Hastings Highlands Municipality | Municipality |
| Hastings County | County |
| Ontario | Province |
| Canada | Country |
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Latitude & Longitude (WGS84):
45° 9' 57'' North , 77° 49' 10'' West
Latitude & Longitude (decimal):
Type:
Mine (Reclaimed) - last checked 2021
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Bancroft | 3,838 (2008) | 12.4km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Bancroft Gem and Mineral Club and Museum | Bancroft, Ontario | 12km |
A feldspar mine in a zoned granite pegmatite, located near Hybla.
Coordinates taken by GPS at the mine.
NOTE: This site is currently closed to collecting and is on private property.
History
This mine has been by far the largest operator in the entire Bancroft district, and was worked from 1919 till 1928, when work was suspended. It was opened up originally by the Pennsylvania Feldspar Company, which was taken over in 1920 by the Verona Mining Company, which in turn was taken over by the Genesee Feldspar Company of Rochester, in 1922. The last-named company has performed most of the work. The output, consisting of about 5,000 tons per year, has all been shipped to the Genesee Company's own mill at Rochester, N.Y.
The mine lies on the northeast slope of a hill and consists of a single main opening, started originally as an open-cut and worked by benching. A drift was later carried in on the dyke below the upper workings and the deposit worked by a series of irregular stopes with pillars left between them. The latest work consisted of sinking near the mouth of the drift, but this operation encountered a large mass of calcite within the dyke mass, and caused the closing down of the mine.
The deposit is remarkable for the presence in it of a variety of rare-element minerals, some of them recorded here for the first time. Its content of such minerals makes this deposit one of the most remarkable pegmatites, mineralogically, yet discovered in Canada.
The main pit has a length of 600 feet (ca. 183 m), an average width of 50 feet (ca. 15 m), and a depth of 85 feet (ca. 26 m), the dip being about 80 degrees NW. A small surface pit was also worked in 1927-28 on an outcrop of the same dyke a few hundred feet west of the main pit. A small production was made, but the results were not such as to encourage further development.
Mining operations have now been transferred to an adjacent property (concession VIII, lot 14). The mine lies 2 miles (3.22 km) from Hybla station, on the Canadian National railway, to which point the spar was conveyed by truck or wagon. (Spence 1932)
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
26 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 DiagramDetailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ Albite var. Peristerite Formula: Na(AlSi3O8) |
| ⓘ Allanite-(Ce) Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) References: |
| ⓘ 'Allanite Group' Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) Description: Masses to several hundred pounds/
2 feet long References: |
| ⓘ Andradite Formula: Ca3Fe3+2(SiO4)3 Description: according to ontariominerals.com a resource by H.V Ellsworth says the andradite is radioactive and has a 1.14% REE content. |
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
| ⓘ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 References: |
| ⓘ Calcite Formula: CaCO3 References: |
| ⓘ Chalcopyrite Formula: CuFeS2 References: |
| ⓘ Chamosite Formula: Fe2+5Al(AlSi3O)10(OH)8 References: |
| ⓘ 'Chlorite Group' References: |
| ⓘ 'Feldspar Group' |
| ⓘ 'Feldspar Group var. Perthite' |
| ⓘ Fluorapatite Formula: Ca5(PO4)3F References: |
| ⓘ Fluorite Formula: CaF2 References: |
| ⓘ Fluorite var. Stink-Fluss Formula: CaF2 |
| ⓘ Galena Formula: PbS References: |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 Description: The garnet found is rare-earth bearing |
| ⓘ Goethite Formula: Fe3+O(OH) |
| ⓘ Gypsum Formula: CaSO4 · 2H2O |
| ⓘ Hematite Formula: Fe2O3 Description: In a fine-grained mixture with quartz and hollandite(?), possibly as a pseudomorph after garnet. |
| ⓘ Hollandite ? Formula: Ba(Mn4+6Mn3+2)O16 Description: Hollandite was closest PXRD diffraction pattern match, but other closely related Mn oxides possible. Mn also confirmed by wet chemistry. In a fine-grained mixture with hematite and quartz, possibly representing pseudomorph after garnet. References: |
| ⓘ 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| ⓘ Hydroxycalciopyrochlore Formula: (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) Description: Masson and Gordon say: Associated with cyrtolite is the radioactive mineral ellsworthite. This mineral is waxy yellow-brown to shiny black in colour and commonly occurs in calcite or feldspar. |
| ⓘ Ilmenite Formula: Fe2+TiO3 References: |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 References: |
| ⓘ Microcline Formula: K(AlSi3O8) |
| ⓘ Microcline var. Amazonite Formula: K(AlSi3O8) |
| ⓘ Molybdenite Formula: MoS2 References: |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 References: |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ Pyrite Formula: FeS2 References: |
| ⓘ 'Pyrochlore Group' Formula: A2Nb2(O,OH)6Z Description: described as ellsworthite References: |
| ⓘ 'Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)' Formula: (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) Description: described as ellsworthite References: |
| ⓘ 'Pyrochlore Supergroup' Formula: A2-mD2X6-wZ1-n |
| ⓘ 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)' Formula: (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| ⓘ 'Pyroxene Group' Formula: ADSi2O6 References: |
| ⓘ Pyrrhotite Formula: Fe1-xS References: |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Quartz var. Smoky Quartz Formula: SiO2 References: |
| ⓘ 'Scapolite' References: |
| ⓘ Thorite Formula: Th(SiO4) |
| ⓘ Thorite var. Thorogummite Formula: (Th,U)(SiO4)1-x(OH)4x References: |
| ⓘ Thorite var. Uranothorite Formula: (Th,U)SiO4 |
| ⓘ Titanite Formula: CaTi(SiO4)O References: |
| ⓘ Uraninite Formula: UO2 |
| ⓘ Zircon Formula: Zr(SiO4) |
| ⓘ Zircon var. Cyrtolite Formula: Zr[(SiO4),(OH)4] References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Molybdenite | 2.EA.30 | MoS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| ⓘ | var. Stink-Fluss | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | 'Pyrochlore Group' | 4.00. | A2Nb2(O,OH)6Z |
| ⓘ | 'var. Uranpyrochlore (of Hogarth 1977)' | 4.00. | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Smoky Quartz | 4.DA.05 | SiO2 |
| ⓘ | Hydroxycalciopyrochlore | 4.DH.15 | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| ⓘ | Hollandite ? | 4.DK.05a | Ba(Mn4+6Mn3+2)O16 |
| ⓘ | Uraninite | 4.DL.05 | UO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Fluorapatite | 8.BN.05 | Ca5(PO4)3F |
| Group 9 - Silicates | |||
| ⓘ | Andradite | 9.AD.25 | Ca3Fe3+2(SiO4)3 |
| ⓘ | Thorite | 9.AD.30 | Th(SiO4) |
| ⓘ | var. Thorogummite | 9.AD.30 | (Th,U)(SiO4)1-x(OH)4x |
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | var. Cyrtolite | 9.AD.30 | Zr[(SiO4),(OH)4] |
| ⓘ | Thorite var. Uranothorite | 9.AD.30 | (Th,U)SiO4 |
| ⓘ | Titanite | 9.AG.15 | CaTi(SiO4)O |
| ⓘ | Allanite-(Ce) | 9.BG.05b | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Chamosite | 9.EC.55 | Fe2+5Al(AlSi3O)10(OH)8 |
| ⓘ | Microcline var. Amazonite | 9.FA.30 | K(AlSi3O8) |
| ⓘ | 9.FA.30 | K(AlSi3O8) | |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | var. Peristerite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)' | - | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'var. Perthite' | - | |
| ⓘ | 'Scapolite' | - | |
| ⓘ | 'Hornblende Root Name Group' | - | ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
| ⓘ | 'Pyrochlore Supergroup' | - | A2-mD2X6-wZ1-n |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Allanite Group' | - | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| H | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Chamosite | Fe52+Al(AlSi3O)10(OH)8 |
| H | ⓘ Goethite | Fe3+O(OH) |
| H | ⓘ Gypsum | CaSO4 · 2H2O |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Pyrochlore Group | A2Nb2(O,OH)6Z |
| H | ⓘ Thorite var. Thorogummite | (Th,U)(SiO4)1-x(OH)4x |
| H | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| H | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| H | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| H | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| H | ⓘ Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| O | ⓘ Microcline var. Amazonite | K(AlSi3O8) |
| O | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| O | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Chamosite | Fe52+Al(AlSi3O)10(OH)8 |
| O | ⓘ Fluorapatite | Ca5(PO4)3F |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Gypsum | CaSO4 · 2H2O |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Hollandite | Ba(Mn64+Mn23+)O16 |
| O | ⓘ Ilmenite | Fe2+TiO3 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Microcline | K(AlSi3O8) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Pyrochlore Group | A2Nb2(O,OH)6Z |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Quartz var. Smoky Quartz | SiO2 |
| O | ⓘ Thorite | Th(SiO4) |
| O | ⓘ Thorite var. Thorogummite | (Th,U)(SiO4)1-x(OH)4x |
| O | ⓘ Titanite | CaTi(SiO4)O |
| O | ⓘ Uraninite | UO2 |
| O | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Albite var. Peristerite | Na(AlSi3O8) |
| O | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| O | ⓘ Thorite var. Uranothorite | (Th,U)SiO4 |
| O | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| O | ⓘ Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
| F | Fluorine | |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | ⓘ Fluorapatite | Ca5(PO4)3F |
| F | ⓘ Fluorite | CaF2 |
| F | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| F | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | ⓘ Fluorite var. Stink-Fluss | CaF2 |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| Na | ⓘ Albite var. Peristerite | Na(AlSi3O8) |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Na | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| Mg | Magnesium | |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Al | ⓘ Microcline var. Amazonite | K(AlSi3O8) |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Chamosite | Fe52+Al(AlSi3O)10(OH)8 |
| Al | ⓘ Microcline | K(AlSi3O8) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Albite var. Peristerite | Na(AlSi3O8) |
| Al | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Microcline var. Amazonite | K(AlSi3O8) |
| Si | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Chamosite | Fe52+Al(AlSi3O)10(OH)8 |
| Si | ⓘ Microcline | K(AlSi3O8) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Quartz var. Smoky Quartz | SiO2 |
| Si | ⓘ Thorite | Th(SiO4) |
| Si | ⓘ Thorite var. Thorogummite | (Th,U)(SiO4)1-x(OH)4x |
| Si | ⓘ Titanite | CaTi(SiO4)O |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Albite var. Peristerite | Na(AlSi3O8) |
| Si | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| Si | ⓘ Thorite var. Uranothorite | (Th,U)SiO4 |
| Si | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Si | ⓘ Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
| P | Phosphorus | |
| P | ⓘ Fluorapatite | Ca5(PO4)3F |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Gypsum | CaSO4 · 2H2O |
| S | ⓘ Molybdenite | MoS2 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Cl | Chlorine | |
| Cl | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | ⓘ Microcline var. Amazonite | K(AlSi3O8) |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Microcline | K(AlSi3O8) |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| Ca | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Fluorapatite | Ca5(PO4)3F |
| Ca | ⓘ Fluorite | CaF2 |
| Ca | ⓘ Gypsum | CaSO4 · 2H2O |
| Ca | ⓘ Titanite | CaTi(SiO4)O |
| Ca | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Ca | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ca | ⓘ Fluorite var. Stink-Fluss | CaF2 |
| Ca | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| Ti | Titanium | |
| Ti | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Ti | ⓘ Titanite | CaTi(SiO4)O |
| Ti | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Ti | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| Mn | Manganese | |
| Mn | ⓘ Hollandite | Ba(Mn64+Mn23+)O16 |
| Fe | Iron | |
| Fe | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Chamosite | Fe52+Al(AlSi3O)10(OH)8 |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
| Zr | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| Nb | Niobium | |
| Nb | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| Nb | ⓘ Pyrochlore Group | A2Nb2(O,OH)6Z |
| Nb | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Nb | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| Mo | Molybdenum | |
| Mo | ⓘ Molybdenite | MoS2 |
| Ba | Barium | |
| Ba | ⓘ Hollandite | Ba(Mn64+Mn23+)O16 |
| Ce | Cerium | |
| Ce | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Ce | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Ta | Tantalum | |
| Ta | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| Ta | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
| Th | Thorium | |
| Th | ⓘ Thorite | Th(SiO4) |
| Th | ⓘ Thorite var. Thorogummite | (Th,U)(SiO4)1-x(OH)4x |
| Th | ⓘ Thorite var. Uranothorite | (Th,U)SiO4 |
| U | Uranium | |
| U | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| U | ⓘ Thorite var. Thorogummite | (Th,U)(SiO4)1-x(OH)4x |
| U | ⓘ Uraninite | UO2 |
| U | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| U | ⓘ Thorite var. Uranothorite | (Th,U)SiO4 |
| U | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
Mindat Articles
The now closed MacDonald Mine, north of Bancroft by Michael AdamowiczOther Regions, Features and Areas containing this locality
Canada
- Ontario
- Bancroft areaMineral Occurrence Area
North AmericaContinent
North America PlateTectonic Plate
- Granite-Rhyolite ProvinceMagmatic Province
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References
Hewitt, D. F. (1967) Pegmatite Mineral Resources of Ontario. Industrial Mineral Report 21. Ontario Department of Minespages 17-18, 20
MacDonald Mine, Monteagle Township, Hastings Highlands Municipality, Hastings County, Ontario, Canada