GEOSCAN Search Results: Fastlink


TitleThe ups and downs of the Canadian Shield: 3 - additional apatite fission-track analyses from the Musselwhite, Roberto, Meadowbank and Raglan mines, Ontario, Quebec, and Nunavut
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorPinet, N; McDannell, KORCID logo
SourceGeological Survey of Canada, Open File 8706, 2020, 49 pages, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
RelatedThis publication is related to the following publications
File formatpdf
ProvinceQuebec; Ontario; Nunavut
NTS33C/09; 35H/12; 53B/09; 66H/01
Lat/Long WENS -76.1000 -76.0833 52.7167 52.6833
Lat/Long WENS -73.6667 -73.6667 61.7000 61.6833
Lat/Long WENS -90.3500 -90.3500 52.6167 52.6000
Lat/Long WENS -96.0667 -96.0667 65.0333 65.0167
Subjectsgeochronology; Science and Technology; Nature and Environment; craton; geological history; thermal history; burial history; erosion; thermal analyses; apatite; fission tracks; fission-track dates; electron probe analyses; bedrock geology; lithology; metamorphic rocks; metasedimentary rocks; iron formations; greywackes; igneous rocks; intrusive rocks; gabbros; diorites; modelling; Archean; Canadian Shield; Musselwhite Mine; Roberto Mine; Meadowbank Mine; Raglan Mine; Phanerozoic; Precambrian; Proterozoic
Illustrationslocation maps; tables; photographs; plots; histograms; time series; models
ProgramGEM2: Geo-mapping for Energy and Minerals TransGEM
Released2020 02 25
AbstractThe low-temperature (ca 120-60°C) thermal history of nine samples from four mines was investigated using the apatite fission-track (AFT) method. Analyses correspond to four samples from the Musselwhite mine over a 275 m vertical interval, three from the Roberto mine over a 382 m vertical interval and one sample from both the Meadowbank and Raglan mines. AFT inverse modelling using both HeFTy and QTQt softwares yield concordant results and indicate that a Phanerozoic heating episode was minor (< 20°C) or non-existent over the Musselwhite mine. This contrasts with previous AFT studies that document significant heating (> 20°C) due to sedimentary burial and indicates that the Canadian Shield did not react as a single entity during the last billion years. The thermal history of samples from the Roberto and Meadowbank mines are less constrained due to the lack of 'high' (> 120°C) temperature constraints. The sample from the Raglan mine yields the youngest central age among the samples reported in this study.
Summary(Plain Language Summary, not published)
In this open file, we report the results from apatite fission track analyses that put additional constraints on the low-temperature (ca 120-60°C) thermal history of the Canadian Shield. Results from the Musselwhite mine indicate that heating due to sediment deposition during the last 500 Ma was minor (< 20°C) or non-existent over this area, which is in contrast with previous studies in other locations and indicates that the Canadian Shield did not react as a single entity during the last billion years.

Date modified: