THE SANDSTONE REPAIRS NORTHERN BEACHES DIARIES

Quartz arenites are sandstones that comprise more than 90% of siliceous grains. Grains can incorporate quartz or chert rock fragments.[1] Quartz arenites are texturally mature to supermature sandstones. These pure quartz sands end result from intensive weathering that happened prior to and during transportation. This weathering removed all the thin