Weverton and Loudoun Formations, undivided (PACAwl;24)

State	Pennsylvania
Name	Weverton and Loudoun Formations, undivided
Geologic age	Cambrian
Original map label	Cwl
Primary rock type	quartzite
Secondary rock type	slate
Other rock types	conglomerate; arkose
Lithologic constituents	Major Metamorphic > Metasedimentary > Metaclastic > QuartziteWeverton--gray to purplish-gray quartzite Minor Sedimentary > Clastic > Sandstone > ArkoseLoudoun--purplishgray, crumbly, poorly sorted, arkosic sandstone Metamorphic > Metasedimentary > Metaclastic > SlateLoudoun--sericitic slate Sedimentary > Clastic > ConglomerateWeverton--gray to purplish-gray quartzose conglomerate containing rounded pebbles. Loudoun--conglomerate.
Map references	Pennsylvania Bureau of Topographic and Geologic Survey, Department of Conservation and Natural Resources, 2001, Bedrock Geology of Pennsylvania, edition: 1.0, digital map. Retrieved from internet 9-30-2004; <http://www.dcnr.state.pa.us/topogeo/map1/bedmap.aspx> DL Data: pageoexp.zip [http://www.dcnr.state.pa.us/topogeo/map1/bedmap.aspx]
Unit references	Berg, T. M., Edmunds, W. E., Geyer, A. R., and others, compilers, 1980, Geologic map of Pennsylvania: Pennsylvania Geological Survey, 4th ser., Map 1, 2nd ed., 3 sheets, scale 1:250,000. Pennsylvania Bureau of Topographic and Geologic Survey, Department of Conservation and Natural Resources, 2001, Bedrock Geology of Pennsylvania, edition: 1.0, digital map. Retrieved from internet 9-30-2004; <http://www.dcnr.state.pa.us/topogeo/map1/bedmap.aspx> DL Data: pageoexp.zip [http://www.dcnr.state.pa.us/topogeo/map1/bedmap.aspx]
Geographic coverage	Adams - Cumberland - Franklin - York