Henriksen, Mona; Mangerud, Jan; Maslenikova, Olga; Matiouchkov, Alexei; Tveranger, Jan (2001): Weichselian stratigraphy of sediments from the lower Pechora River. PANGAEA, https://doi.org/10.1594/PANGAEA.728783, Supplement to: Henriksen, M et al. (2001): Weichselian stratigraphy and glaciotectonic deformation along the lower Pechora River, Arctic Russia. Global and Planetary Change, QUEEN special issue, 31(1), 297-319 pp, https://doi.org/10.1016/S0921-8181(01)00126-6
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A large section near the village of Hongurei on the Pechora River, ca. 100 km inland from the Barents Sea coast, reveals the following stratigraphic record of the last glaciation: The lowest units are lacustrine silt overlain by fluvial sand. These two units are repeated by glaciotectonic upthrusting from the NW. On top of this stacked succession is a till where fabric measurements reflect ice movement from the NE. Above the till is a partly laminated glaciolacustrine clay, probably deposited during the deglaciation of the site. We interpret the two ice flow directions to reflect a single ice advance.
The Hongurei site is situated on the eastern rim of a marginal lobe of the Markhida moraine complex. Upthrusting from the NW is interpreted as lateral thrusting along the eastern flank of the NE-SW-oriented lobe, whereas the NE till fabric shows flow direction of the same glacier moving across the site. A maximum age for the last ice advance is given by optical stimulated luminescence (OSL) dates of the fluvial sand below the till, dated to 85 ka at this site, but about 60 ka at other sites along the lower Pechora area.
Median Latitude: 67.451310 * Median Longitude: 51.742790 * South-bound Latitude: 66.976667 * West-bound Longitude: 50.176667 * North-bound Latitude: 67.550000 * East-bound Longitude: 52.370000
Date/Time Start: 1993-09-05T00:00:00 * Date/Time End: 1996-08-01T00:00:00
Hon1050m * Latitude: 67.550000 * Longitude: 51.933333 * Date/Time: 1996-08-01T00:00:00 * Elevation: 30.8 m * Location: Hongurei * Campaign: Pechora1996 * Basis: Sampling on land * Device: Outcrop sample (OUTCROP)
Hon200m * Latitude: 67.545000 * Longitude: 51.920000 * Date/Time: 1996-08-01T00:00:00 * Elevation: 17.4 m * Location: Hongurei * Campaign: Pechora1996 * Basis: Sampling on land * Device: Outcrop sample (OUTCROP)
Datasets listed in this publication series
- Henriksen, M; Mangerud, J; Maslenikova, O et al. (2001): (Table 1) Age determination of handpicked macrofossils of terrestrial plants from Hongurei section. https://doi.org/10.1594/PANGAEA.56586
- Henriksen, M; Mangerud, J; Maslenikova, O et al. (2001): (Table 2) Optical stimulated luminescence dates on fluvial sediments below the Markhida till at sites along the lower Pechora. https://doi.org/10.1594/PANGAEA.56587
- Henriksen, M; Mangerud, J; Maslenikova, O et al. (2001): (Table 3) Age determination of Hongurei section. https://doi.org/10.1594/PANGAEA.56588
- Henriksen, M; Mangerud, J; Maslenikova, O et al. (2001): Facies log description of profiles from Pechora River at Hongurei locality. https://doi.org/10.1594/PANGAEA.56589