glacial striae

glacial striae

[¦glā·shəl ′strī‚ī]
(geology)
Scratches, commonly parallel, on smooth rock surfaces due to glacial abrasion.
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References in periodicals archive ?
Wisconsinan glacial erosion was significant at the site as indicated by glacial striae, roche moutinee, lee side plucking features and numerous large erratics (Spooner et al.
This means that some interlobate areas may have been invaded first from one side, then from the other; in Greene County, there are glacial striae both from the northwest and the northeast on the same ledges.
All glacial striae over the southern region were directed generally southward, with most showing departure to the east, and some to the west, by up to 60[degrees].
During field work for mapping glacial striae at the Caniapiscau reservoir, north-central Quebec, both surface weathering forms and saprolite remnants were encountered (Figures 1 and 2).
The glacial striae and the rat-tail in the floor of one of the weathering pits (site 1b) indicate a pre-Holocene origin of the pit (Figure 2c).
Prior to visiting the site, Prest measured the directions of glacial striae on bedrock throughout the area to get an idea of the local directions of glacial movement.
The ice sheet, which deposited the Pandivere Till, left glacial striae on the bedrock surfaces (Mannil 1962) and formed a number of subsequently buried end-moraine ridges (Kadastik 1994), particularly on Hiiumaa Island.
Streamlined features, rat-tails, glacial striae, and dispersal patterns for till clasts and matrix geochemistry define glacier dynamics and flow directions across the Petitcodiac map area, southeastern New Brunswick.
1984), and in a compilation of all published glacial striae data for New Brunswick (Seaman 1989).