Hardyston Quartzite

(Wolff and Brooks, 1898) - Light- to medium-gray and bluish-gray conglomeratic sandstone. Varies from pebble conglomerate, to fine-grained, well-cemented quartzite, to arkosic or dolomitic sandstone. Conglomerate contains subangular to subrounded white quartz pebbles up to 2.5 cm (1 in.). Lower contact unconformable. About 0 to 9 m (1-30 ft) thick.
State New Jersey
Name Hardyston Quartzite
Geologic age Lower Cambrian
Lithologic constituents
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Conglomerate
NGMDB product
Counties Hunterdon - Morris - Passaic