The Municipality of Greenstone has undertaken the creation of a multi layered mapping resource that will bring into a digitized framework the vast array of existing exploration and mineral development information relating to the Greenstone Region.  Such information currently exists at various locations and in divergent formats. This data compilation will provide easy and timely access to exploration and mineral development information for the mineral exploration and mining sectors. The data compilation has been completed for a pilot study area of the Greenstone Belt; namely, the geographic townships of Eva and Summers.

This portion of the project was funded by the Municipality of Greenstone, the Northern Ontario Heritage Fund Corporation, Fednor, and the Ministry of Northern Development and Mines, with technical support from the Resident Geologist Program.

To view maps in Google Earth, click on the map title links above each image.

Primary Data Compilation

This map contains several different datasets that were developed for the purpose of or as a result of mining and exploration activity.  The datasets included in this map are as follows: 3D mining model locations, Abandoned Mines Information System, Ontario Drill Holes, Mineral Deposit Inventory, Geophysical Anomalies, Assessment File Research Image, Mineral Exploration Inventory, CLAIMaps data, and a variety of bedrock datasets. Date Created: October 2008

Base Map

This map contains several base data layers such as roads, lakes, rivers/streams, railways, and trails. Date Created: October 2008

NOEGTS Map

The Northern Ontario Engineering Geology Terrain Study (NOEGTS) map displays the results of engineering geology terrain studies, which are evaluations of near-surface geological conditions with a view to determining the engineering capability of the terrain. Date Created: 2005

 To view map layers in Google Earth, click on the map layer title links above each image.

Electromagnetic Resistivity			Bouguer Gravity
	Colour image showing electromagnetic resistivity. Date Created: Feb. 2008			Contoured colour image showing station locations. Date Created: Feb. 2008
First Vertical Derivative of the Bouguer Gravity			Residual of the Total Magnetic Field
	Contoured colour image showing station locations. Date Created: Feb. 2008			Colour image of the residual of the total magnetic field. Date Created: Feb. 2008
First Vertical Derivative of the Residual Magnetic Field			Second Vertical Derivative of the Residual Magnetic Field
	Colour image of the first vertical derivative of the residual magnetic field. Date Created: Feb. 2008			Colour image of the second vertical derivative of the residual magnetic field. Date Created: Feb.2008
Residual Magnetic Field Illuminated from the North			Residual Magnetic Field Illuminated from the Northeast
	Grey-scale shadow image of the residual magnetic field illuminated from the North. Date Created: Feb. 2008			Grey-scale shadow image of the residual magnetic field illuminated from the Northeast. Date Created: Feb. 2008
Residual Magnetic Field Illuminated from the East			Residual Magnetic Field Illuminated from the Northwest
	Grey-scale shadow image of the residual magnetic field illuminated from the East. Date Created: Feb. 2008			Grey-scale shadow image of the residual magnetic field illuminated from the Northwest. Date Created: Feb. 2008
Radiometric Image for Equivalent Thorium (eTh)			Radiometric Image for Equivalent Uranium (eU)
	Colour radiometric image for Equivalent Thorium. Date Created: 2008			Colour radiometric image for Equivalent Uranium. Date Created: 2008
Radiometric Image for Potassium (K)			Radiometric Image for Equivalent Thorium (eTh) and Potassium (K)
	Colour radiometric image for Potassium. Date Created: 2008			Colour radiometric image for Equivalent Thorium and Potassium. Date Created: 2008
Radiometric Image for Equivalent Uranium (eU) and Equivalent Thorium (eTh)			Radiometric Image for Equivalent Uranium (eU) and Potassium (K)
	Colour radiometric image for Equivalent Uranium and Equivalent Thorium. Date Created: 2008			Colour radiometric image for Equivalent Uranium and Potassium. Date Created: 2008
Natural Air Absorbed Dose Rate			Sturgeon River Area, Thunder Bay District
	Colour image for the natural air absorbed dose rate. Date Created: 2008			Geological Survey of the Sturgeon River Area. Date Created: 1934
Surficial Geology, Beardmore-Geraldton			Aeromagnetic Vertical Gradient Map and Total Field Maps
	Surficial geology/geomorphology, alluvial, organic, glaciofluvial, glacial, and glaciolacustrine deposits, tills, lithology, pebble lithology, drumlins, eskers, Quaternary. Date Created: 1991			Geophysics, geophysical surveys, gradiometer surveys, magnetic surveys, total field magnetics. Date Created: 1988
Explored Routes in a Belt Traversed by the Canadian National Railways			Shakespeare Island, Thunder Bay District
	Regional geology, metallic minerals, chalcopyrite, galena, gold, molybdenite, nickel, pyrite, pyrrhotite, siderite, sphalerite, Precambrian, Nipigon Series, Windigokan Series. Date Created: 1921			Part of an Aeromagnetic Map Series. Geophysics, magnetic surveys – airborne, magnetic interpretations. Date Created: 1962
Geology of Eva and Summers Townships			Leitch Gold Mines Surface Plan
	Detailed geological map for Eva and Summers townships in the District of Thunder Bay. Date Created: 1990			Geological and mining information on a surface plan map of eastern part of the Leitch Mine property. Date Created: 1967
Eva Township			Summers Township
	Preliminary geological map for Eva Township. Date Created: 1970			Preliminary geological map for Summers Township. Date Created: 1970
Precambrian Geology of Eva and Summers Townships
	Detailed geological information for the area of Eva and Summers Townships. Date Created: 2002