diamicton


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diamicton

[dī·ə′mik‚tän]
(petrology)
A nonlithified diamictite. Also known as symmicton.

diamicton

In ancient Roman architecture, a type of masonry wall construction having a hollow cavity filled with broken material of every description. diamond-bond pattern Same as diaperwork.
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It is hypothesized that this unit is a coarser diamicton equivalent to the Early Woodfordian till, similar to the stratigraphy exposed at the Toledo Edison dam site along the Auglaize River upstream of Defiance, OH (Forsyth I960) and at Fort Wayne, IN (Bleuer and Moore 1971).
The percussion coring of the basin further showed that coarse diamicton is overlain by coarse, granite-rich, moderately sorted sediment which, in turn, is overlain by alternating layers of gyttja and wetland sediment.
Based on earlier stratigraphical observations, stratified sands occur at the bottom of a 3 m deep section, under a 2 m thick diamicton deposit.
El termino diamicton se refiere principalmente a los flujos volcanicos no clasificados que rellenaron valles, introducido por Koch & McLean (1975), denominado como "Flujo los Chocoyos", que se caracteriza por presentar una zona de color rosado ("pink zone").
This buried ice is interpreted as glacier ice and is overlain unconformably by 1 -2 m of icy diamicton (Pollard, 1990).
If the recovered material is diamicton or till, the distance the wood was carried is unknown.
Additionally, small plastic canisters were driven into a freshly exposed profile at 10 cm intervals from the surface of the profile to the underlying glacial diamicton. These were capped and taken to the laboratory for pollen analysis.
This large glacier reached the south end of the Puget Lowland and the western Juan de Fuca Strait at its maximum extent (Waitt and Thorson, 1983; Hewitt and Mosher, 2001; Mosher and Johnson, 2001), at about 14,000 [C.sup.14] BP (Porter and Swanson, 1998) and it deposited an ice-contact diamicton of variable thickness throughout most of the basin.
Overlying the mudflow, Unit 4, a silty diamicton with a relatively high carbonate and organic content, appears to have formed by a mix of natural colluvial and human transport processes, and is associated with human cultural material.
In the Fault and Evaporite districts, the topography over the steep slopes is bedrock-controlled, with minimal glacial diamicton and covered by primarily an Acadian hardwood forest.
Till is a silt and clay-rich diamicton with a mean matrix texture of approximately 21% sand, 45% silt, and 34% clay, a Munsell color of 10YR 4/6 to 7.5YR 5/5, and a mean moisture content of 17.5%.