Marmoraton Mine, Marmora Township, Hastings Co., Ontario, Canada
|Latitude & Longitude (WGS84):||44° 28' 42'' North , 77° 39' 28'' West|
|Latitude & Longitude (decimal):||44.47861,-77.65778|
|Köppen climate type:||Dfb : Warm-summer humid continental climate|
An iron mine in Precambrian meta-sediments. Started about 1950 and closed 1977. Workings feature an open pit.
1950-1951- 40 diamond drill holes were drilled by Bethlehem Steel Corp for a total of 37,000 feet. 1952-1955 - Removal of 22 million tons of limestone, mine and plant construction by Marmoraton Mining Co. Ltd. 1955-1967 - 6,053,145 tons of ore shipped from open pit 1/2 mile long by 1/4 mile wide. 1978 - mining in the pit ceased.
This deposit was visited on July 24th, 2003. The partially water-filled open pit was viewed at the site. Activity on the site is limited to Canada Talc and Aecon Ltd. Canada Talc is utilizing the mill buildings to upgrade their talc from their mine in Huntingdon Township while Aecon continues to crush and ship the limestone caprock for aggregrate.
25 valid minerals. 1 erroneous literature entry.
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
458.4 - 470 Ma
|Ottawa Group; Simcoe Group; Shadow Lake Formation|
Age: Middle Ordovician (458.4 - 470 Ma)
Stratigraphic Name: Ottawa Group; Simcoe Group; Shadow Lake Formation
Reference: Ontario Geological Survey. 1:250 000 scale bedrock geology of Ontario. ISBN 978-1-4435-5705-4. Miscellaneous Release–Data 126 - Revision 1. 
SABINA, A.P. (1970): Rocks & minerals for the collector: Hull – Maniwaki, Quebec; Ottawa – Peterborough, Ontario. Geological Survey of Canada, Paper 69-50, 141p. Reissued in 1987 as Geological Survey of Canada, Miscellaneous Report 41, 141p.
George Robinson Mineral. Record, 13 (2), 73-75.
- catalogue #3402CL, Lemanski collection.