 |
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| • HOME • ABOUT • CATEGORIES • USE OF TEXT AND IMAGES • NEWSLETTER   
|
arkose
Comparatively young, medium-grained sedimentary rock resembling sandstone, consisting of quartz with up to 30% feldspar. It forms in marine and freshwater sediments and continental deposits, usually from the breakdown of granite. It is pale gray to pink in color.
Related category
• GEOLOGY AND PLANETARY SCIENCEAlso on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History