orthoquartzite (Q43149)
From geokb
An indurated silicate-sandstone that is made up almost exclusively of quartz sand (with or without chert), that is relatively free of or lacks a fine-grained matrix; a hard but unmetamorphosed "pure quartz sandstone", derived by secondary silicificat
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | orthoquartzite |
An indurated silicate-sandstone that is made up almost exclusively of quartz sand (with or without chert), that is relatively free of or lacks a fine-grained matrix; a hard but unmetamorphosed "pure quartz sandstone", derived by secondary silicificat |
