Oxford Index Search Results

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current bedding x clear all

current bedding

Overview page. Subjects: Earth Sciences and Geography.

In a sedimentary rock, bedding which is oblique to the ‘lie’ of the formation as a whole. The structure is not due to tilting or folding, but develops when sandbanks are built up in shallow...

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current bedding

Overview page. Subjects: Earth Sciences and Geography.

In a sedimentary rock, bedding which is oblique to the ‘lie’ of the formation as a whole. The structure is not due to tilting or folding, but develops when sandbanks are built up in shallow...

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current bedding

Susan Mayhew.

in A Dictionary of Geography

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Earth Sciences and Geography. 61 words.

In a sedimentary rock, bedding which is oblique to the ‘lie’ of the formation as a whole. The structure is

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current bedding

Susan Mayhew.

in A Dictionary of Geography

January 2015; p ublished online May 2015 .

Reference Entry. Subjects: Earth Sciences and Geography. 61 words.

In a sedimentary rock, bedding which is oblique to the ‘lie’ of the formation as a whole. The structure is

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epsilon cross-bedding

Overview page. Subjects: Earth Sciences and Geography.

One of a series of cross-bedding types proposed by J. R. L. Allen in 1963. Epsilon cross-bedding is the type of cross-bedding formed by the lateral accretion of a river point bar. Other...

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heterolithic bedding

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 114 words.

A closely interbedded deposit of *sand and mud, generated in environments where current flow varies considerably. The three main types of heterolithic bedding are called ...

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heterolithic bedding

Overview page. Subjects: Earth Sciences and Geography.

A closely interbedded deposit of sand and mud, generated in environments where current flow varies considerably. The three main types of heterolithic bedding are called flaser, wavy, and...

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herringbone cross-bedding

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 56 words.

A form of cross-bedding (see cross-stratification) in which the *foresets in successive sets are directed in opposite directions, so producing a structure which somewhat...

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sand wave

Overview page. Subjects: Earth Sciences and Geography — Ecology and Conservation.

A large-scale, transverse ridge of sand that is characteristic of continental-shelf areas (e.g. the southern North Sea). The wavelength or spacing of sand-wave crests is 30–500 m and the...

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sand wave

Michael Allaby.

in A Dictionary of Ecology

P ublished online September 2015 .

Reference Entry. Subjects: Ecology and Conservation. 50 words.

A large-scale, transverse ridge of *sand that is characteristic of *continental-shelf areas (e.g. the southern North Sea). The wavelength or spacing of sand-wave crests is 30–500 m and the...

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parting lineation

Overview page. Subjects: Earth Sciences and Geography.

A series of parallel, linear, low-relief ridges and hollows, spaced a few millimetres apart, seen on bedding planes in parallel-laminated sandstones. The lineation is the preserved trace of...

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sedimentary structure

Overview page. Subjects: Earth Sciences and Geography.

The external shape, the internal structure, or the forms preserved on bedding surfaces, generated in sedimentary rocks by sedimentary processes or contemporaneous biogenic activity....

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dune bedform

Overview page. Subjects: Ecology and Conservation — Earth Sciences and Geography.

Mounds or ridges of sand which are asymmetrical and are produced subaqueously by flowing water. The external morphology is similar to the smaller ‘ripple’ and larger *‘sand wave’, with a...

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Sedimentary structure of large sand dunes: examples from Dumont and Eureka dunes, California

N. M. Vriend, M. L. Hunt and R. W. Clayton.

in Geophysical Journal International

August 2012; p ublished online August 2012 .

Journal Article. Subjects: Geophysics. 7019 words.

Summary

The current research presents ground penetrating radar images up to 30m in depth of two large desert dunes in California, USA— a barchanoid ridge in...

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Exposure-Affecting Factors of Dairy Farmers’ Exposure to Inhalable Dust and Endotoxin

Ioannis Basinas, Torben Sigsgaard, Mogens Erlandsen, Nils T. Andersen, Hisamitsu Takai, Dick Heederik, Øyvind Omland, Hans Kromhout and Vivi Schlünssen.

in The Annals of Occupational Hygiene

July 2014; p ublished online April 2014 .

Journal Article. Subjects: Occupational Medicine. 7548 words.

Introduction:

Studies on determinants of dairy farmers’ exposure to dust and endotoxin have been sparse and so far none has addressed the combined effect of...

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The Skaergaard Layered Series. Part II. Magmatic flow and Dynamic Layering

Alexander R. McBirney and Adolphe Nicolas.

in Journal of Petrology

May 1997; p ublished online May 1997 .

Journal Article. Subjects: Petrology. 5278 words.

Re-examination of textural and structural features of the Skaergaard Intrusion has clarified the process responsible for various forms of layering. Two general types are distinguished, one...

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<i>Salmonella</i> Typhimurium in chicken manure reduced or eliminated by addition of LT1000

C. L. Sheffield, T. L. Crippen, R. C. Beier and J. A. Byrd.

in The Journal of Applied Poultry Research

March 2014; p ublished online February 2014 .

Journal Article. 2405 words.

Poultry are normally reared on bedding materials such as wood shavings or rice hulls. Poultry litter reuse for multiple flocks has become economically important in modern broiler...

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Natural Enemies Associated With <i>Sirex noctilio</i> (Hymenoptera: Siricidae) and <i>S. nigricornis</i> in Ontario, Canada

K. Ryan, P. De Groot, R. W. Nott, S. Drabble, I. Ochoa, C. Davis, S. M. Smith and J. J. Turgeon.

in Environmental Entomology

April 2012; p ublished online November 2014 .

Journal Article. Subjects: Entomology. 5743 words.

Sirex noctilio F. is an exotic woodwasp now found in eastern North America where it shares natural enemies with native woodwasps of Pinus spp. To study the extent to which native...

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Development of a Quantitative Real-Time Polymerase Chain Reaction Assay to Target a Novel Group of Ammonia-Producing Bacteria Found in Poultry Litter

M. J. Rothrock, K. L. Cook, N. Lovanh, J. G. Warren and K. Sistani.

in Poultry Science

June 2008; p ublished online June 2008 .

Journal Article. 7372 words.

Ammonia production in poultry houses has serious implications for flock health and performance, nutrient value of poultry litter, and energy costs for running poultry operations. In poultry...

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John the Almsgiver

Overview page. Subjects: Christianity.

(c.620),

patriarch of Alexandria. Born at Amathus (Old Limassol) in Cyprus, of a noble and wealthy family, he married and fathered several children. But all of them died young, as...

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