Publications Release Notice — June 30, 2021

Mines and Minerals Division: 

The following publications are available now for free download from GeologyOntario, or by following the links provided in this release notice.

Maps and reports in hard-copy (paper) format and digital data sets available on physical media (CD or DVD) can be purchased from the Publication Sales office.

In cases where the file size is prohibitive for downloading, please contact the Publication Sales office to obtain the data on physical media (CD for $20.00; DVD for $25.00).

The digital data provided with maps as downloadable zip files from GeologyOntario contain additional information that supplements the cartographic information, and is provided at the discretion of the author(s).

Prices listed in this Release Notice apply to hard-copy versions only and are subject to change without notice. The prices given in a particular release notice are guaranteed only for a period of 1 month following the date of the release.

To automatically receive the Publications Release Notice by email, subscribe to the distribution list by contacting Publication Sales.

Earth Resources and Geoscience Mapping Section

Precambrian Geology – Far North

Preliminary Map P.3829
Precambrian Geology of the Wabassi River Area, Fort Hope–Miminiska Greenstone Belt, Northwestern Ontario; by B. Azar, M.N. Hakimian and K. Zammit, scale 1:100 000, colour. Geochemical, geophysical and geological data available as Miscellaneous Release—Data 389 (see below). $14.05

Preliminary Map P.3843
Precambrian Geology of the Makokibatan Lake Area, Fort Hope–Miminiska Greenstone Belt, Northwestern Ontario–West Sheet; by B. Azar and J.R. Bellrose, scale 1:50 000, colour. Geological, geochemical and geophysical data available as Miscellaneous Release—Data 380 (see below). $14.85

Preliminary Map P.3844
Precambrian Geology of the Makokibatan Lake Area, Fort Hope–Miminiska Greenstone Belt, Northwestern Ontario–East Sheet; by B. Azar and J.R. Bellrose, scale 1:50 000, colour. Geological, geochemical and geophysical data available as Miscellaneous Release—Data 380 (see below). $17.25

Miscellaneous Release—Data 380
Geological, Geochemical and Geophysical Data Related to the Makokibatan Lake Area, Fort Hope–Miminiska Greenstone Belt, Northwestern Ontario; by B. Azar. This digital data release consists of geochemical data, magnetic susceptibility data, geological information, structural data and selected field photographs for the Makokibatan Lake area of the Fort Hope–Miminiska greenstone belt, which were collected during the 2016 field season and a three-week period in 2017. This release contains whole-rock geochemistry (major element, trace element, rare earth element), assay data and quality control information, magnetic susceptibility data, drill hole data and field notes. These data augment the associated Preliminary Maps P.3843, Precambrian Geology of the Makokibatan Lake Area, Fort Hope–Miminiska Greenstone Belt, Northwestern Ontario–West Sheet; and P.3844, Precambrian Geology of the Makokibatan Lake Area, Fort Hope–Miminiska Greenstone Belt, Northwestern Ontario–East Sheet. The shared marginal notes and geological legend from these Preliminary Maps are also provided and are available as 2 separate portable document format (.pdf) files. Additional information includes the associated Summary of Field Work and Other Activities article from 2016; and a poster and presentation that were presented at the 2017 Ontario Prospectors Exploration Showcase (OPES) in Thunder Bay, Ontario, available as portable document format (.pdf) files. Location data are provided in the Universal Transverse Mercator (UTM) projection and grid system, North American Datum 1983 (NAD83), Zone 16. This release consists of 5 Microsoft® Excel® for Office 365 (.xlsx) format files, 190 photographs (.jpg format files) and 8 portable document format (.pdf) files. The data are available on 1 CD. $20.00

Miscellaneous Release—Data 389
Geochemical, Geophysical and Geological Data Related to the Wabassi River Area, Fort Hope–Miminiska Greenstone Belt, Northwestern Ontario; by B. Azar. This digital data release consists of geochemical data, magnetic susceptibility data, geological information, structural data and selected field photographs for the Fort Hope–Miminiska greenstone belt in the Peninsular Lake area, which were collected during the 2017 field season. This release contains whole-rock geochemistry (major element, trace element, rare earth element), quality control information, magnetic susceptibility data, drill hole data and field notes. These data are associated with Preliminary Map P.3849, Precambrian Geology of the Peninsular Lake Area, Fort Hope–Miminiska Greenstone Belt, Northwestern Ontario; the marginal notes and the geological legend (as 2 portable document format (.pdf) files) from the Preliminary Map are also provided. Additional information includes the associated Summary of Field Work and Other Activities article from 2017. Location data are provided in the Universal Transverse Mercator (UTM) projection and grid system, Zone 16, North American Datum 1983 (NAD83). This release consists of 5 Microsoft® Excel® for Office 365 (.xlsx) format files; 103 photographs (.jpg format files) and 5 portable document format (.pdf) files. The data are available on 1 CD. $20.00

Aggregate Resources and Industrial Minerals

Aggregate Resources of Ontario ARO—2020
The Ontario Geological Survey (OGS) is releasing a GIS-based compilation of the aggregate resources of Ontario. This compilation, updated in June 2021, is based on data compiled from aggregate resources inventory mapping conducted by the OGS from 1980 to 2020. It is intended that this compilation will be updated annually. This compilation includes data updated from the previously published information and may include newer geological data and/or mapping, where the latter are available.

It is important to note that this compilation is not intended to be used as a standalone product and the referenced original reports should always be consulted in conjunction with this compilation. Information contained within the referenced original reports (i.e., test results, resource properties and potential) is still highly relevant. However, it is possible that resource estimates provided in the referenced original reports may no longer be accurate, and may not reflect the data contained in this compilation. It must also be noted that, although the data represented in this compilation have been modified and updated since the release of the previously published information, the referenced original publications have not been revised to incorporate these changes.

The Aggregate Resources of Ontario—2020 (or ARO–2020) is available as a direct download from OGSEarth. The compressed (.zip) download file provides ARO–2020 data in geodatabase format using ESRI® ArcGIS® 9.3.1 with a completed project file (.mxd). Geospatial data are provided in North American Datum 1983 (NAD83) geographic co-ordinate system using decimal degrees. A user document and readme file that explains the GIS content is provided.

Groundwater Studies

Miscellaneous Release—Data 390
Groundwater Hydrochemistry, Water Isotope and Manual Water-Level Data for the Early Silurian Carbonates of the Niagara Escarpment Cuesta; by E.H. Priebe. This digital data release presents the results of groundwater sampling conducted in the summer of 2016, during which 69 groundwater samples were collected from 12 multidepth monitoring wells, 5 provincial groundwater monitoring network wells and 19 domestic wells. All sampled wells are installed in the bedrock aquifers of the Early Silurian carbonates of the Niagara Escarpment cuesta of southern Ontario. This digital data release includes the raw hydrochemistry and isotope geochemistry data, as well as a description of sampling locations, sampling and analysis methods, and quality-control measures. Accuracy and precision plots and the data used to create them are provided in a supporting portable document format (.pdf) document and a Microsoft® Excel® for Office 365 (.xlsx) file, respectively. The data are available on 1 CD. $20.00

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