greensand

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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.

greensand

A resin used to oxidize the soluble iron in water and then to filter it out.

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No references found			But now we may read in the Supplement to Lyell's 'Manual,' published in 1858, clear evidence of the existence of whales in the upper greensand, some time before the close of the secondary period. The Origin of Species by Darwin, Charles View in context			Greenland National Day Greenland Right Whale Greenland Sea Greenland Shark Greenland spar Greenland whale Greenland-Iceland Ridge Greenlandic greenlandite Greenleaf State Park Greenleaf, Simon Greenlee County greenling greenmail Greenock greenockite Greenough Greenough, Horatio Greenpeace Greenpeace Canada Greenpeace USA greenroom Greens Greens Conveyer Greens, the greensand Greensboro Greensburg greenschist greenschist facies Greenspan, Alan Greenstein, Jesse Leonard greenstick fracture Greenstone greenstone belts greenstone schist Greensville County greensward Greenup County Greenville Greenville County Greenville Treaty Camporee greenware greenwashing Greenway, John Campbell Greenwell formula Greenwell State Park Greenwich Greenwich apparent noon Greenwich apparent time Greenwich civil time			Greenpeace Nordic Greenpeace Organizing Term Greenpeace USA Greenpoint Manufacturing and Design Center Greenpoint Waterfront Association for Parks and Planning Greenpoint Williamsburg Youth Soccer League Greenridge Primary School greenroom greenroom greens greens greens greens greens greens Greens Conveyer Greens Farms Academy greens fee Greens function Greens identity Greens in Regulation Greens of Southern Wales Greens party Greens party Greens party Greens Political Party Greens Political Party Greens Political Party Greens theorem Greens, the greensand Greensand Filter Greensboro Greensboro Greensboro Affordable Home Loan Initiative Greensboro Amateur Radio Association Greensboro Association of Insurance and Financial Advisors Greensboro Center for Innovative Development Greensboro College Greensboro Community YMCA Greensboro Concert Band Greensboro Department of Transportation Greensboro Economic Development Alliance Greensboro Economic Development Partnership Greensboro Indoor Roller Hockey Greensboro Interfaith Hospitality Network Greensboro Justice Fund Greensboro Linux Users Group Greensboro Mothers of Multiples Greensboro Police Department Greensboro Postal Credit Union Greensboro Regional Realtors Association Greensboro Symphony Youth Orchestra Greensboro Transit Authority Greensboro Triad Textile and Apparel Club Greensboro Truth & Community Reconciliation Project

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