This product contains whole rock chemical analyses from Yukon samples.

Geochronology is a discipline of geoscience which measures the age of earth materials and provides the temporal framework in which other geoscience data can be interpreted in the context of Earth history. This knowledge helps to answer questions such as when did a volcano last erupt, what is the rate of crustal uplift in a specific area, are rocks at one gold prospect the same age as those at another.

Geochronology is a discipline of geoscience which measures the age of earth materials and provides the temporal framework in which other geoscience data can be interpreted in the context of Earth history. This knowledge helps to answer questions such as when did a volcano last erupt, what is the rate of crustal uplift in a specific area, are rocks at one gold prospect the same age as those at another. Distributed from [GeoYukon](https://yukon.ca/geoyukon) by the [Government of Yukon](https://yukon.ca/maps) . Discover more digital map data and interactive maps from Yukon's digital map data collection. For more information: [geomatics.help@yukon.ca](mailto:geomatics.help@yukon.ca)

This update of the Yukon bedrock geology map builds upon the previous compilation by Gordey and Makepeace (1999, 2001). The data set includes the bedrock geology, faults and contacts, geochronology and map index; published by Yukon Geological Survey (January 2022). New digital data are being released incrementally and will be updated regularly as new parts of the compilation are ready. Any errors noted by the user of this data should be reported promptly to the Yukon Geological Survey.

This compilation sources data primarily from the Yukon Geological Survey’s (YGS) field projects and archival collections, and from the Geological Survey of Canada’s (GSC) Canadian rock physical property database (Enkin, 2014, 2018). The data distribution is far from uniform but covers a range of lithology classes and terranes. The compilation of data from archival samples is ongoing, and the dataset will continue to grow as new samples are collected for YGS projects and pass through the survey’s physical properties lab. The foundation of this dataset originates from samples collected for a mapping project in western Yukon led by Dirk Tempelman-Kluit from 1970 to 1972 (Tempelman-Kluit and Curie, 1978) and subsequently digitized by the Geological Survey of Canada and Mira Geoscience (2014). This dataset alone contributed 1642 records to the compilation. Map unit names from this original dataset were modernized for this compilation to reflect current understanding of Yukon geology. Systematic measurements of magnetic susceptibility and specific gravity have been incorporated into the workflow when archiving rock samples from YGS projects. Additional magnetic susceptibility measurements are also routinely collected in the field by YGS geologists. This will continue to expand the dataset. Rock samples are not collected specifically for the physical properties dataset but are well characterized and have sufficient metadata to be incorporated into the dataset. Samples are not uniform in size or weight. The Yukon Geological Survey’s HS Bostock Core Library houses >10 000 Yukon rock samples from previous and ongoing geological studies. Archived collections provide a great opportunity to further expand the dataset in specific regions or areas lacking representation. Distributed from [GeoYukon](https://yukon.ca/geoyukon) by the [Government of Yukon](https://yukon.ca/maps). Discover more digital map data and interactive maps from Yukon's digital map data collection. For more information: [geomatics.help@yukon.ca](mailto:geomatics.help@yukon.ca)

Contains digital data files that were assembled or created from the 2002 Glenlyon component of the Targeted Geoscience Initiative (TGI) project. All data are provided in formats easily explored using widely available free softwares. Features include GIS spatial data of bedrock and surficial geology, generalized background topography and georeferenced geophysical and satellite raster images. Interactive map projects to allow viewing and querying of the spatial data using a variety of common GIS software (ArcExplorer 2.0, ArcView 3.x, ArcMap 8.x, and MapInfo) Databases of field observations (bedrock and surficial geology) Publications relevant to the study area, including open file maps, and a collection of reports from the Yukon Exploration and Geology (YEG) series A photo gallery to illustrate representative rock units and surficial geology features Free softwares (Adobe Acrobat Reader 5 and ESRI ArcExplorer 2) for viewing publications and interactive maps.

These data are included in the 2020 release of the Regional Geochemical Surveys (RGS) compilation. To download the data please go to http://data.geology.gov.yk.ca/Compilation/21#InfoTab.

Contains all the digital data files that were assembled or created during the Finlayson Lake TGI project. It includes two MS Access databases of field observations (bedrock and surficial), scanned and digitized maps, a series of georeferenced images (geophysical and LandSat), and a collection of reports from the Yukon Exploration and Geology (YEG) series. The data are presented in formats that can be viewed using four software products. Adobe Acrobat Reader 5 and ESRI ArcExplorer 2 are provided. Microsoft Internet Explorer is required to view the interface screens (Netscape may not work properly). A runtime version of Microsoft Access is also included to view the field databases if the user does not already have Microsoft Access installed on their computer. These four software products, or equivalent licensed versions, must be installed to utilize the full interactive capability. The spatial data can also be manually opened or imported.

This data package contains results for parts of the Glenlyon survey area (NTS 105K west and 105L). This information has been provided in a variety of digital formats. PDF files include survey descriptions and details regarding methods, analytical data listings and summary statistics. Raw digital data of original field and analytical information plus new reanalysis results are included in Microsoft®Excel (XLS) format. NGR surveys were originally conducted in the Glenlyon map area in 1988 and covered parts of NTS map sheets 105K and L (Friske and Hornbrook, 1989). Stream sediment and water samples were collected from a total of 1378 sample sites. The work was undertaken by the GSC in conjunction with the Department of Indian Affairs and Northern Development, and the Government of Yukon under the Canada-Yukon Mineral Development Agreement (1985-1989). As part of the 2011 Yukon Database Upgrade Project, original material collected from 1096 sample sites were selected for reanalysis. In 2014, material from the remaining 282 samples sites was selected for reanalysis. Representative 2 gram splits were successfully recovered from a total of 1460 samples. Due to a deficiency of available material, 1 sample was not recovered. The samples were delivered to Bureau Veritas Commodities Canada Ltd. (Vancouver) and were analyzed by an ultra-trace aqua-regia digestion ICP-MS package for 53 elements.

not_specified