Citronelle Formation (ALPSPOci;1)

Citronelle Formation - moderate-reddish-brown deeply weathered fine to very coarse quartz sand and varicolored typically mottled lenticular beds of clay and clayey gravel. Limonite pebbles and lenses of limonite cemented sand occur locally in weathered exposures. Gravel is composed of chert and quartz pebbles.

State	Alabama
Name	Citronelle Formation
Geologic age	Pleistocene-Pliocene
Original map label	QTci
Primary rock type	sand
Secondary rock type	clay or mud
Other rock types	gravel; chert
Lithologic constituents	Major Unconsolidated > Coarse-detrital > Sandmoderate-reddish-brown deeply weathered fine to very coarse quartz sand, limonite pebbles and lenses of limonite cemented sand occur locally in weathered exposures. Minor Unconsolidated > Coarse-detrital > Gravel (Bed)Gravel is composed of chert and quartz pebbles. Unconsolidated > Fine-detrital > Clay (Bed)varicolored typically mottled lenticular beds of clay and clayey gravel Incidental Sedimentary > Chemical > ChertGravel is composed of chert and quartz pebbles.
Map references	Szabo, M. W., Osborne, E. W., Copeland, C. W. Jr., Neathery; T. L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000. [http://www.ogb.state.al.us/ogb/ogb_gisdata/algeomap.zip]
Unit references	Szabo, M. W., Osborne, E. W., Copeland, C. W. Jr., Neathery; T. L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000. [http://www.ogb.state.al.us/ogb/ogb_gisdata/algeomap.zip]
Geographic coverage	Baldwin - Clarke - Conecuh - Escambia - Mobile - Monroe - Washington