1-20 OF 104 RESULTS FOR

colluvium

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 01 December 2021
South African Journal of Geology (2021) 124 (4): 915–926.
...J. Knight Abstract Slope and lowland sediment systems throughout southern Africa are dominated by the presence of colluvium with interbedded palaeosols and hardground duricrusts. These sediments correspond to phases of land surface instability and stability, respectively, during the late Quaternary...
FIGURES | View All (8)
Journal Article
Journal: Geology
Published: 30 September 2021
Geology (2021)
... into colluvium, allowing both processes to be dated with optically stimulated luminescence (OSL). OSL ages indicate a period of increased colluviation in the Late Pleistocene facilitated by enhanced bedrock weathering and dust deposition. Hillslope aspect strongly controls predominant soil environments...
Journal Article
Journal: Geosphere
Published: 21 July 2021
Geosphere (2021) 17 (5): 1517–1533.
..., radiocarbon and optically stimulated luminescence (OSL) ages from the Buffalo Bowl trench constrained the age of the hillslope deposits and hence the age of the fault scarp. The age data indicate that the ~3-m-thick alluvial fan and slope colluvium sediments were deposited between ca. 15 and ca. 10.5 ka...
FIGURES | View All (7)
Journal Article
Published: 08 July 2021
Quarterly Journal of Engineering Geology and Hydrogeology (2021) 54 (4): qjegh2021-023.
FIGURES | View All (13)
Journal Article
Published: 11 March 2021
Environmental and Engineering Geoscience (2021) 27 (3): 307–318.
... of approximately 80 percent shale inter-bedded with 20 percent limestone. The colluvium that forms from the weathering of the shale bedrock consists of a low-plasticity clay. Based on field observations, LiDAR data, and information gathered from city and county agencies, we created a landslide inventory map...
Journal Article
Published: 08 November 2019
Environmental and Engineering Geoscience (2019) 25 (4): 272–288.
... a year (classification Cruden and Varnes, 1996 ). Colluvium is usually a heterogeneous mixture of highly saturated and disintegrated claystone and crushed stiff sandstone ( Figure 2 ). Figure 2. Example cross section for landslide no. 5 in Szymbark, area no I. Rainfalls, floods, snow...
FIGURES | View All (16)
Journal Article
Published: 25 October 2019
Geological Magazine (2020) 157 (4): 573–602.
... and adjacent slope-sediment (colluvium) composition. Palaeosols, particularly red-brown terra rossa, developed on abandoned fluvial terraces and adjacent hillslopes, especially overlying F3 surfaces. The combined evidence allows close correlation of the Vasilikos river and quarry deposits. Relatively coarse...
FIGURES | View All (17)
Journal Article
Journal: Geology
Published: 19 June 2019
Geology (2019) 47 (9): 811–814.
... vary spatially in the topographically and lithologically diverse Grand Staircase region of southern Utah. We analyzed detrital 10 Be concentrations from quartz in 52 samples of modern channel alluvium/colluvium from catchments ranging from 0.01 to 1200 km 2 , using standard methods for 10...
FIGURES
Journal Article
Published: 12 September 2018
Geological Magazine (2019) 156 (7): 1190–1200.
FIGURES | View All (4)
Journal Article
Journal: GSA Bulletin
Published: 14 May 2018
GSA Bulletin (2018) 130 (11-12): 1903–1917.
... Be and 26 Al measurements of surface material and buried clasts to estimate the residence time and depositional history of colluvium within Garner Run, a 1 km 2 headwater valley in the central Appalachian Mountains containing relict Pleistocene periglacial features, including solifluction lobes, boulder...
FIGURES | View All (11)
Series: GSA Field Guides
Published: 29 March 2018
DOI: 10.1130/2018.0050(06)
EISBN: 9780813756509
...) a series of thrust faults exposed in a drainage ditch that thrust Conasauga Shale against Quaternary colluvium in the footwall; and (3) a normal fault at Tellico Lake near Vonore, Tennessee, with Quaternary sediments faulted against Conasauga Shale. INTRODUCTION CONCLUSIONS ROAD LOG The 045...
FIGURES | View All (16)
Journal Article
Published: 01 June 2017
Italian Journal of Geosciences (2017) 136 (2): 198–205.
FIGURES | View All (4)
Journal Article
Journal: Geosphere
Published: 01 February 2017
Geosphere (2017) 13 (1): 36–48.
... demonstrating evidence of glacial scour, striations, and chatter marks along the valley bottom near ice, lakes, and between talus deposits ( Fig. 6 ). Concentrations (from Tranel et al., 2015 ) reflect postglacial exposure, with little erosion since glacial retreat. Talus deposits are Quaternary colluvium...
FIGURES | View All (8)
Journal Article
Published: 01 August 2016
Environmental and Engineering Geoscience (2016) 22 (3): 245–258.
... and Dakota Formation. The lower part of the Straight Cliffs Formation and all of Tropic Shale and Dakota Formation are covered with a thick deposit of colluvial soil that has accumulated at the base of the steep cliff formed by the Straight Cliffs Formation. The landslide initiated in the colluvium...
FIGURES | View All (11)
Journal Article
Published: 01 May 2016
Environmental and Engineering Geoscience (2016) 22 (2): 93–111.
... revealed the presence of four sinkhole-like depressions in the lake sediment that has accumulated over colluvium, with piping holes at their bottoms and sides, near the northeastern and northwestern margins of the lake ( Figure 3 ). Aside from water loss through evapotranspiration and surface runoff...
FIGURES | View All (17)
Journal Article
Published: 01 February 2016
Earthquake Spectra (2016) 32 (1): 143–169.
... and lacustrine deposits, whereas the southern portion comprises nonglacial sediments including transported soils (alluvium, colluvium, loess, lacustrine, marine, etc) and residual soils along the Appalachian Mountains ( Kottke et al. 2012 ). Histograms of both V SZ at z = 5 m ( V S 5 ) and V S 30...
FIGURES | View All (16)
Journal Article
Published: 01 August 2015
Environmental and Engineering Geoscience (2015) 21 (3): 181–195.
... these beds in hillside excavations for houses. These rocks develop sandy to clayey colluvial soils on the slopes and residual soils on the ridgetops. The landslide material consists of colluvium with added disturbed material from foundation excavation. Colluvium ranges in thickness from 1 to 3 m. During...
FIGURES | View All (14)
Journal Article
Published: 01 December 2014
Journal of Environmental and Engineering Geophysics (2014) 19 (4): 207–228.
... known to be empirically related to volumetric water content ( Topp et al., 1980 ). Consequently, if ε can be readily determined then both thickness and volumetric water content can be estimated for profiled sediment. Here we mainly discuss 150–200 MHz GPR profiles of till, a colluvium type diamict...
FIGURES | View All (19)
Journal Article
Published: 01 November 2013
Vadose Zone Journal (2013) 12 (4): vzj2013.02.0044.
... by varying topography and morphology of diagnostic horizons such as M- (colluvium), Bt- (clay illuviation), and C- (parent glacial till). By EMI mapping we identified (i) the boundary between erosive and colluvial areas around the kettle hole, and modeled (ii) the subsurface morphology of loamy horizons...
FIGURES | View All (17)
Journal Article
Published: 01 May 2013
Environmental and Engineering Geoscience (2013) 19 (2): 99–114.
...NATHANIEL R. SWANSON; PAUL M. SANTI Abstract Colluvium and debris-flow deposits differ from each other and from glacial till and glacial outwash deposits in Durango, CO, in terms of sedimentological properties evaluated using laboratory testing. Testing included grain-size analysis, Atterberg...
FIGURES | View All (14)