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Holgate Glacier

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Series: Field Guide
Published: 01 January 2003
DOI: 10.1130/0-8137-0004-3.267
EISBN: 9780813756042
... by glaciers coalescing from British Columbia. In an area where each glacial and interglacial depositional sequence looks like its predecessor, accurate stratigraphic identification requires laboratory analyses and age determinations. The modern landscape is largely a result of repeated cycles of glacial...
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Series: Geological Society, London, Memoirs
Published: 01 January 2011
DOI: 10.1144/M36.18
EISBN: 9781862394117
... retreating glaciers. In contrast, the younger diamticite in the Bloupoort Formation is glaciomarine, is associated with banded iron-formation, is underlain by stromatolitic reef carbonates and is overlain by carbonates. Most of the Gifberg Group is poorly exposed and poorly investigated. In the absence...
FIGURES
Journal Article
Published: 01 November 2009
Proceedings of the Yorkshire Geological Society (2009) 57 (3-4): 145-154.
... form prominent landmarks, such as Severs Howe near York. The North Sea ice could not have plugged the Humber mouth until the Vale of York glacier had formed the York Moraine, and must have remained long enough for a prolonged stillstand of Lake Humber at c. 33 m above OD. Subsequent stillstands...
FIGURES
Series: Geological Society, London, Geology of Series
Published: 01 January 2006
DOI: 10.1144/GOEWP.17
EISBN: 9781862393882
... Abstract The Quaternary, or final period of geological time, has been popularly equated for the last 150 years with the ‘ice age’, when glaciers invaded many high latitude and high altitude parts of the Earth’s surface not previously glaciated since at least the Permo-Carboniferous. Early...
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Image
Broadband stations in the Cook Inlet region, January 2017. The absence of r...
Published: 31 May 2017
. , 2014 ). Gray inverted triangles denote intermediate‐period stations from the volcanic network (AV). Active volcanoes are plotted as triangles, with labels for Augustine, Redoubt, and Spurr. The thick dashed line is the 2D target profile from Holgate glacier (HOLG) in the east, through Redoubt Volcano
Journal Article
Published: 31 May 2017
Seismological Research Letters (2017) 88 (4): 1185-1202.
.... , 2014 ). Gray inverted triangles denote intermediate‐period stations from the volcanic network (AV). Active volcanoes are plotted as triangles, with labels for Augustine, Redoubt, and Spurr. The thick dashed line is the 2D target profile from Holgate glacier (HOLG) in the east, through Redoubt Volcano...
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Journal Article
Published: 01 November 2011
Quarterly Journal of Engineering Geology and Hydrogeology (2011) 44 (4): 481-489.
... for these time periods were 18 cm and 66 cm, respectively ( Houghton et al . 1990 ). Most of the contribution was estimated to be from the thermal expansion of the oceans and increased melting of mountain glaciers. It was also stated that even with substantial decreases in the emissions of greenhouse gases...
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Series: Geological Society, London, Memoirs
Published: 01 January 2011
DOI: 10.1144/M36.17
EISBN: 9781862394117
... basins, from a half-graben to the west. At an advanced rifting stage, eustatic sea-level drop was accompanied by the entry of glaciers into the basin along its eastern margin to the mainland. Debris released from those glaciers makes up the bulk of the Kaigas Formation. This stage was accompanied...
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Journal Article
Journal: Geology
Published: 01 November 2009
Geology (2009) 37 (11): 1035-1038.
... B. 1997 , Spatial variations in the rate of sea-level rise caused by the present-day melting of glaciers and ice sheets : Geophysical Research Letters , v. 24 , p . 1503 – 1506 , doi: 10.1029/97GL01338...
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Journal Article
Published: 01 March 2005
South African Journal of Geology (2005) 108 (1): 19-34.
... Marinoan glaciation ( Fölling et al. , 2000 ; Frimmel et al. , 2002 ). Above the cap carbonates follow several hundred metres of siliciclastic, in places turbiditic, deposits of the Holgat Formation, which are interpreted as flysch deposits in a foredeep that developed in front of the advancing...
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Journal Article
Published: 01 December 2016
South African Journal of Geology (2016) 119 (4): 585-606.
... Highland represents the final stages of this ice age, equivalent to Visser’s (1997) cycle 4 of the deglaciation, this phase is of early Permian age. The gentle sloping pre-Pretoria dolomite surface was therefore also a pre-Karoo surface scoured by the Dwyka ice, with two major valley glaciers...
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Series: GSA Field Guides
Published: 01 January 2017
DOI: 10.1130/2017.0049(02)
EISBN: 9780813756493
... is geotechnically explored, the more complicated the subsurface picture seems to become. Why a floating bridge? Carved out by glaciers, Lake Washington is steep-walled and deep, around 200 ft from the water level to the mud line, and the lake bed is lined with 100+ ft of very soft lake sediments ( Troost, 2011...
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Series: Geological Society, London, Memoirs
Published: 01 January 2011
DOI: 10.1144/M36.5
EISBN: 9781862394117
..., but they might alternatively represent maximum glacial stages, when outlet glaciers were blocked by thick multi-annual sea ice ( Dowdeswell et al. 2000 ). Compared with Archaean–Palaeoproterozoic banded Fe formations, Cryogenian Fe deposits are mineralogically simple, consisting of haematite, chert (jasper...
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Series: Geological Society, London, Engineering Geology Special Publications
Published: 01 January 2001
DOI: 10.1144/GSL.ENG.2001.017.01.02
EISBN: 9781862393790
... grains which have been released from their parent rocks by physical weathering processes or abraded by the action of ice (glaciers) and then worn and sorted by water (rivers and waves) and the wind. Deposits consisting of boulders, cobbles, pebbles and granules when cemented or lithified are known...
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