greensand


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Related to greensand: manganese greensand

greensand

[′grēn‚sand]
(geology)
A greenish sand consisting principally of grains of glauconite and found between the low-water mark and the inner mud line.
(materials)
A highly siliceous sand that contains small amounts of magnesia and alumina, with about 8% of its bulk in powdered coal or charcoal; dampened with water to make foundry molds.
(petrology)
Sandstone composed of greensand with little or no cement.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

greensand

A resin used to oxidize the soluble iron in water and then to filter it out.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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References in periodicals archive ?
The Gault clay formation in the studied area consists of siliciclastic shales deposited in an open marine environment at the maximum flooding surface [25] from Middle to Upper Albian (Lower Cretaceous) on the Greensands formation [26] (Figure 1).
A Deep Alteration and Oxidation Profile in a Shallow Clay Aquitard: Example of the Tegulines Clay, East Paris Basin, France
Greensand 0 2 5 Natural source of phosphorus and lots of vitamins and minerals, but smelly.
Best organic fertilizers: feed your garden soil by choosing natural amendments that are rich in nutrients, minerals, and organic matter--not just nitrogen
Lithologically the allochthonous rocks are mostly composed of sandstone, siltstone, greensand, siliceous mudstone, argillaceous micritic limestone and rare coal measures along with dispersed organic matter.
MODAL ANALYSIS OF SANDSTONE AND SILTSTONE LITHOFACIES FROM NORTHLAND ALLOCHTHON ROCKS, NEW ZEALAND
Processes using manganese greensand or manganese oxide coated media are relatively inexpensive techniques for radium removal [29].
Technology for the removal of radionuclides from natural water and waste management: state of the art/Tehnoloogia radionukliidide eraldamiseks veest ja jaatmekaitlus
The oxidation process that causes iron to precipitate before the contact of Manganese Greensand can be seen in the following reaction:
Iron in the Middle Devonian aquifer system and its removal at Voru County water treatment plants, Estonia/Raud Kesk-Devoni pohjaveekompleksis ja selle arastus Vorumaa veepuhastussusteemide naitel
Her formula for feeding annual and perennial plants is two parts alfalfa meal, one part rock phosphate and one part greensand.
Feed your soil; reap the rewards; Simple techniques can develop a bountiful and beautiful landscape
"Different parts of the farm are on clay, chalk and greensand, and we have a private water supply that comes straight off the chalk.
Concentration on broodmare band has proved a winning decision
They are available in six heritage colours including Sussex Emerald, Greensand, Chalkhill Blue, Yew Tree, Downland Stone and Wood Sage and offer a multitude of personalised internal options.
Grow your own in style
The geometry of the cast metal and the greensand mold is illustrated in Figure 1(a), which is represented in three-dimensions.
Aplicacion de la tecnica de diseno factorial y del metodo de elementos finitos para optimizar la solidificacion de la aleacion Cu-5wt%Zn en un molde de arena
Add slow-release rock powders and mined mineral deposits such as greensand, azomite, colloidal rock phosphate, and lime if soil tests suggest a need for amendment.
The integrated homestead part II: tools
Colour: Shadesrange from bright yellows, greensand blues to albinos.
Villains' dead parrot scam must cease to be; Family conned into buying bird which died days later

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