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Sophia Mine (Diamond Mine), Madoc Township, Madoc area, Hastings Co., Ontario, Canada

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Latitude & Longitude (WGS84): 44° 35' 24'' North , 77° 25' 59'' West
Latitude & Longitude (decimal): 44.59000,-77.43306
GeoHash:G#: drbvtvqgx
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate

In quartz vein cutting volcanic rocks.

Access Description:
Drive 2 km west of Queensborough (Sager General Store) on Co. Rd. 20. Walk from the bend in the road opposite the farmhouse up the middle of the field. Cross the fence and continue along the NE side of the next 3 fields. From the road the distance across the 4 fields is 700 m. Past the last fence, walk for 225 m approximately due north (towards the large maples on the east side of the 5th - final field.) Continue alongside the fence. The shaft is located to the east of the fence about 30 m on top of the hill on the edge of the woods, about 15 m south of a clearing.

1897-1900: Three shafts, Nos. 1, 2 and 3, sunk to depths of 60, 105 and 60 feet respectively. Lateral development totaled 98 feet. Ten-stamp mill installed. Some trenching. Work by D.E.K. Stewart, under option from Old Diamond Gold Mines Limited, and then P. McLaren, L. Meyer, and C. Meyer. 1901-1935: Shafts Nos. 1 and 3 continued to 100 feet. 140-foot crosscut to connect Shafts Nos. 2 and 3.
1936-1941: Trenching and pitting, No. 1 Shaft deepened to 156 feet, 400 feet of lateral development, 2,950 feet of diamond-drilling, and 15-ton mill installed by Old Diamond Gold Mines Limited and Mayboro Milling Company Limited. (MDC 18, 1979, p35).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

8 valid minerals.

Detailed Mineral List:

Formula: Ca(Fe2+,Mg)(CO3)2
Reference: MDI Number: MDI31C11SW00028
Formula: FeAsS
Reference: Geological Survey of Canada Miscellaneous Paper 41; D. F. HEWITT (1967) Geology of Madoc and North Huntingdon Townships. Ontario Department of Mines Geological Branch Open File Report 5000
Reference: MDI Number: MDI31C11SW00028
'Chlorite Group'
Reference: Geological Survey of Canada Miscellaneous Paper 41
Formula: CaMg(CO3)2
Reference: Geological Survey of Canada Miscellaneous Paper 41
'Feldspar Group'
Reference: http://www.geologyontario.mndm.gov.on.ca/mndmfiles/MDI/data/records/MDI31C11SW00028.html
Formula: Au
Reference: Geological Survey of Canada Miscellaneous Paper 41; D. F. HEWITT (1967) Geology of Madoc and North Huntingdon Townships. Ontario Department of Mines Geological Branch Open File Report 5000
Formula: KAl2(AlSi3O10)(OH)2
Reference: http://www.geologyontario.mndm.gov.on.ca/mndmfiles/MDI/data/records/MDI31C11SW00028.html
Formula: FeS2
Reference: Geological Survey of Canada Miscellaneous Paper 41
Formula: Fe7S8
Reference: Geological Survey of Canada Miscellaneous Paper 41
Formula: SiO2
Reference: D. F. HEWITT (1967) Geology of Madoc and North Huntingdon Townships. Ontario Department of Mines Geological Branch Open File Report 5000

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Group 5 - Nitrates and Carbonates
Group 9 - Silicates
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Feldspar Group'-

List of minerals arranged by Dana 8th Edition classification

Metals, other than the Platinum Group
Group 2 - SULFIDES
AmXp, with m:p = 1:1
AmBnXp, with (m+n):p = 1:2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Feldspar Group'-

List of minerals for each chemical element

H MuscoviteKAl2(AlSi3O10)(OH)2
C AnkeriteCa(Fe2+,Mg)(CO3)2
C DolomiteCaMg(CO3)2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O DolomiteCaMg(CO3)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DolomiteCaMg(CO3)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
S ArsenopyriteFeAsS
S PyriteFeS2
S PyrrhotiteFe7S8
K MuscoviteKAl2(AlSi3O10)(OH)2
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca DolomiteCaMg(CO3)2
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ArsenopyriteFeAsS
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
As ArsenopyriteFeAsS
Au GoldAu

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

Neoproterozoic - Mesoproterozoic
541 - 1600 Ma

ID: 606065
Grenville Supergroup and Flinton Group

Age: Proterozoic (541 - 1600 Ma)

Stratigraphic Name: Flinton Group

Comments: Grenville Province Central Metasedimentary Belt

Lithology: Flows, tuffs, breccias, minor iron formation, minor metasedimentary rocks; includes reworked pyroclastic units, amphibolite

Reference: Ontario Geological Survey. 1:250 000 scale bedrock geology of Ontario. ISBN 978-1-4435-5705-4. Miscellaneous Release–Data 126 - Revision 1. [1]

1200 - 1400 Ma

ID: 3185353
Mesoproterozoic volcanic rocks

Age: Ectasian (1200 - 1400 Ma)

Lithology: Mafic 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


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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ann P.Sabina (1987), Rocks and Minerals for the Collector, Hull-Maniwaki, Quebec; Ottawa-Peterborough, Ontario. GSC Misc. Report 41, p.79

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