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Ontario Geological Survey
Permanent Link to this Record:
MDI31D09NE00006
| Record Name(s) | Nephton - 1985 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Producing Mine |
| Date Created | 1985-Sep-26 |
| Date Last Modified | 2022-Sep-16 |
| Created By | |
| Revised By |
Primary Commodities: Nepheline Syenite
Township or Area: Methuen
Latitude: 44° 37' 33.95" Longitude: -78° 0' 7.9"
UTM Zone: 17 Easting: 737806.18 Northing: 4945788.15 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C12NW, 31C12SW, 31D09NE, 31D09SE
Point Location Description: Precise
Location Method: Conversion from MDI
Access Description: From Havelock, North On County Road 46 For 4km Turning Left Onto County Road 44. Travel 16km Turning Right For 7.2km To Outer Gate Of The Nephton Mining Complex
1932-1933: William Morrisson staked property. 1935: quarrying began. 1943-1970: 5,007,000 tons milled.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Elzevir
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Syenite | 1 | Nepheline Syenite | Is |
|---|
Nov 23, 2020 (Sheree Hinz) - The area is in the Grenville structural province, to the northwest of the Methuen granite, and in the contact zone between the Methuen granite and the Lasswade marble to the northwest. This contact zone is underlain by Precambrian non-calcareous metasedimentary and metavolcanic rocks which are intruded by the Blue Mountain nepheline syenite body.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Albite | Economic | Ore | ||||
| 2 | Biotite | Economic | Ore | ||||
| 3 | Cancrinite | Economic | Ore | ||||
| 4 | Corundum | Economic | Ore | ||||
| 5 | Garnet | Economic | Ore | ||||
| 6 | Hornblende | Economic | Ore | ||||
| 7 | Magnetite | Economic | Ore | ||||
| 8 | Microcline | Economic | Ore | ||||
| 9 | Muscovite | Economic | Ore | ||||
| 10 | Nepheline | Economic | Ore | ||||
| 11 | Sodalite | Economic | Ore | ||||
| 12 | Zircon | Economic | Ore |
Nov 23, 2020 (Sheree Hinz) - The nepheline syenite is a uniform, foliated, fine- to medium-grained leucocratic rock composed essentially of albite, microcline and nepheline with minor amounts of biotite, magnetite, muscovite and hornblende. Garnet, corundum, zircon, sodalite, cancrinite, tourmaline, prehnite and natrolite may or may not occur as accessory minerals.
Book - Geochemistry and origin of metasediments in the Haliburton�Madoc area, southeastern Ontario, Canadian Journal of Earth Science Volume 5, P259-273
Publication Number: Date: 1968
Author: P.C. van de Kamp
Publisher Name: Can J E Sci
Location:
Part - Mineral occurrences in the Haliburton area
Publication Number: ARV52-02 Page: 78-81 Date: 1998
Author: Satterly J.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Nepheline syenite deposits of southern Ontario
Publication Number: ARV69-08 Page: 11, 16-21 Date: 1997
Author: Hewitt D.F., Armstrong H.S., Tilley C.E.
Publisher Name: Ontario Dept. of Mines
Location:
Article - Field trip A, industrial mineral industries (talc and nepheline syenite)
Publication Number: MP111.000B Page: 11-19 Date: 1997
Author: Minnes D.G., Logan W.J., Sado E.V.
Publisher Name: Ontario Geological Survey
Location:
Article - Geology, mining and processing of nepheline syenite
Publication Number: MP114.008 Page: 49-53 Date: 1997
Author: MacGregor D.D.
Publisher Name: Ontario Geological Survey
Location:
Mono - An inventory of the mineral resources in Peterborough County
Publication Number: OFR5635 Page: 77-81 Date: 1987
Author: Menard A.G.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office