Matches in SemOpenAlex for { <https://semopenalex.org/work/W2900904559> ?p ?o ?g. }
- W2900904559 endingPage "379" @default.
- W2900904559 startingPage "363" @default.
- W2900904559 abstract "The past-producing Pine Point lead–zinc mining district, Northwest Territories, Canada, provides a unique opportunity to study the role of glacial dynamics in a thick, continuous till succession that has not been influenced by the underlying bedrock topography. Parts of the Pine Point mining district are covered by >20 m of subglacial Quaternary sediments (till) associated with the former Laurentide Ice Sheet. Till facies exposed in unreclaimed open-pit K-62 have been classified into four separate units. Micro- and macrosedimentological analyses were undertaken to identify the change in subglacial stress during sediment deposition and across till unit boundaries. An analysis of high- and low-angle microshears (lineations) in thin sections produced from these till units indicate that there is a noticeable decrease in the abundance of low-angle shear features immediately below till unit boundaries. The deformation of low-angle shears in the underlying tills was likely caused by remobilization of the overlying till unit. This remobilization is consistent with aggradation-constant entrainment decay mechanisms for subglacial till emplacement and accretion and subglacial dispersion models." @default.
- W2900904559 created "2018-11-29" @default.
- W2900904559 creator A5005491921 @default.
- W2900904559 creator A5060284457 @default.
- W2900904559 creator A5062988682 @default.
- W2900904559 creator A5091266367 @default.
- W2900904559 date "2019-04-01" @default.
- W2900904559 modified "2023-09-23" @default.
- W2900904559 title "Microsedimentological evidence of vertical fluctuations in subglacial stress from the northwest sector of the Laurentide Ice Sheet, Northwest Territories, Canada" @default.
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