Meaning of orthoquartzite | Babel Free

Definitions

A very pure quartz sandstone composed of usually well rounded quartz grains cemented by silica.

countable, uncountable

Equivalents

Examples

“The contact⟳ with the Fountain is sharply defined, since they consist⟳ essentially of fine-grained red or pink to white sandstone, at time cemented to an orthoquartzite—a process⟳ still continuing.”

“A similar phenomenon on a smaller scale occurs at Hole-in-the-Wall, where beds of orthoquartzite show⟳ large bulbous projections on their undersides which appear⟳ to squeeze⟳ out the underlying shale.”

“In the central part of the outcrop area of the formation, a 4.5 km–wide, east-trending belt contains strata like⟳ that of the northern part of the formation except that orthoquartzite beds up to 6m thick, which commonly have⟳ strike⟳ lengths of 1–2 km, are present⟳.”

CEFR level