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outwash fan

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outwash fan

[′au̇t‚wäsh ‚fan]
(geology)
A fan-shaped accumulation of outwash deposited by meltwater streams in front of the terminal moraine of a glacier.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
The south-eastern Pilliga Forest has an undulating terrain of low sandstone ridges and wide sandy valleys, with an elevation range of 240-640 m Australian Height Datum (AHD), draining to a flat compound alluvial outwash fan with an elevation range of 160-320 m AHD in the west and north.
- Identification of a major palaeochannel system with redox interfaces and gamma anomalies in the Tertiary outwash fan of the Reynolds Range Project in the NT.
Since listing on the ASX in 2006, Toro has steadily built up an extensive land holding in the Tertiary alluvial outwash fan north of the Reynolds Range, 250km northwest of Alice Springs.
The observed frequency and distribution of peatlands in the various drift-types across the county was similar to expected values, with the exception of MB (areas of morainal topography of Trafalgar Formation), TB (loam till of Trafalgar Formation), OF (outwash fan deposits; sand and gravel), G (ice-contact stratified drift, sand and gravel as isolated ridges), and 77' (mixed till and stratified drift in lineated form associated with collapse of sub-ice tunnels and open ice-walled channels) (Fig.
Outwash and delta sands and gravels are deposited in the form of ice-marginal ridges and outwash fans on the fringe of the Baltic Klint.
This discovery raised the possibility that the species extends further north and westwards on the gravel outwash fans and outcrops to the south of the Hajar mountains, and might approach the UAE.
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