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Abstract : The Alberta Geological Survey (AGS) outsourced a till and stream sediment sampling program in southwestern, northwestern, and north-central Alberta to provide a better understanding of the province’s critical mineral potential. This project delivers information useful in the exploration of critical mineral potential in Alberta through geochemical and grain-size analyses, and indicator-mineral identification in areas where data gaps exist. All planning, logistics, fieldwork execution, sample collection, submission of samples for geochemical and textural analysis, data compilation, and reporting was completed by Palmer, with oversight and approval by the Alberta Energy Regulator and the AGS.

Three areas of interest were identified for till and stream sediment sampling. Till sampling included collecting 358 samples for geochemical and textural analyses and 150 samples for mineralogical analysis. Sampling of stream sediment included 398 samples for geochemical analysis and 360 samples for mineralogical analysis. This publication includes all sampling site descriptions, and geochemical and grain-size analyses results. Approximately 60% of the mineralogical samples collected have been analyzed for indicator minerals and these results are reported in this publication. The results of the analysis of the remaining mineralogical samples (approximately 40%) will be reported in subsequent publications. Analysis and interpretation of reported results will continue in future years to outline prospective areas for critical minerals within Alberta.

This work was completed under the Mineral Grant provided by the Government of Alberta dated June 22, 2021.

Erratum (November 15 2024): The mineralogy data in this publication have been removed pending a review of the laboratory QA/QC and analytical methods. The mineralogy data will be rereleased by the AGS in a stand-alone publication at a later date. Please note that all other aspects of SPE 115 are unaffected.

Purpose : To describe the scope, background, and methodology of a regional till and stream sampling program and provide several large, detailed datasets that can be used in the evaluation and exploration of critical mineral potential in Alberta.

Supplemental_Information : Language: In English;

Time Period Information :

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Currentness_Reference : ground condition

Progress : Complete

Maintenance_and_Update_Frequency : None planned

Bounding Coordinates :

West_Bounding_Coordinate : -120

East_Bounding_Coordinate : -110

North_Bounding_Coordinate : 60

South_Bounding_Coordinate : 49

Theme :

Theme_Keyword_Thesaurus : ISO 19115 Topic Category

Theme_Keyword : ablation till

Theme_Keyword : arsenic

Theme_Keyword : barium

Theme_Keyword : c horizon

Theme_Keyword : carbon analysis

Theme_Keyword : chromium

Theme_Keyword : cobalt

Theme_Keyword : copper

Theme_Keyword : critical minerals

Theme_Keyword : data

Theme_Keyword : florencite

Theme_Keyword : geochemistry

Theme_Keyword : geology

Theme_Keyword : glaciofluvial

Theme_Keyword : glaciolacustrine

Theme_Keyword : gold

Theme_Keyword : grain-size analysis

Theme_Keyword : granulometry

Theme_Keyword : indicator mineral

Theme_Keyword : lead

Theme_Keyword : mineral exploration

Theme_Keyword : mineral mapping program

Theme_Keyword : mineralogical analysis

Theme_Keyword : nickel

Theme_Keyword : rare earth elements

Theme_Keyword : regional chemistry

Theme_Keyword : regional geology

Theme_Keyword : rotary percussion drilling

Theme_Keyword : samarium

Theme_Keyword : sample collection

Theme_Keyword : silver

Theme_Keyword : sodium

Theme_Keyword : soil

Theme_Keyword : sphalerite

Theme_Keyword : stream sediments

Theme_Keyword : subglacial till

Theme_Keyword : surficial geology

Theme_Keyword : thorium

Theme_Keyword : till

Theme_Keyword : tungsten

Theme_Keyword : yttrium

Theme_Keyword : zinc

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Place_Keyword : alberta

Place_Keyword : canada

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