feldspathic sandstone

[fel′spath·ik ′san‚stōn]

(petrology)

Sandstone rich in feldspar; intermediate in composition between arkosic sandstone and quartz sandstone, made up of 10-25% feldspar and less than 20% matrix material.

Mentioned in ?

bluestone

References in periodicals archive ?

In extreme western Wisconsin, the Norwalk is a fine- to very fine-grained feldspathic sandstone (Ostrom, 1987; Runkel, 2000).

Frac sand sources in the United States

The feldspathic sandstone clasts are also distinctive petrographically; plagioclase is the dominant feldspar (i.e., they could be considered plagio-arkoses).

Stratigraphic evolution of provenance in a thick conglomerate-dominated Carboniferous succession in the southern Isle Madame area, Nova Scotia, and paleogeographic implications

The Hampton Formation contains dark silty and sandy shale, argillaceous shale, feldspathic sandstone and impure quartzite arenites (Rodgers, 1953) interpreted to have been deposited in shallow-marine conditions by Cudzil and Driese (1987).

A unique exposure of Cambrian megaripples in the Hampton Formation, Unicoi County, Tennessee

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