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HOLOCENE SERIES

HOLOCENE SERIES - Alluvium - clay, silt, sand, and gravel
State Missouri
Name HOLOCENE SERIES
Geologic age Phanerozoic | Cenozoic | Quaternary | Holocene
Comments Alluvial deposits in major stream channels
Primary rock type clay or mud
Secondary rock type silt
Other rock types sand; gravel
Lithologic constituents
Major
Unconsolidated > Fine-detrital > Clay (Alluvial)
Unconsolidated > Fine-detrital > Silt (Alluvial)
Unconsolidated > Coarse-detrital > Sand (Alluvial)
Unconsolidated > Coarse-detrital > Gravel (Alluvial)
Map references
Middendorf, M. A., and others, 2003, Geologic Map of Missouri: Missouri Geological Survey. Scale 1:500K
Unit references
Howe, W. B. and Koenig, 1961, The Stratigraphic Succession in Missouri: Missouri Geological Survey and Water Resources, Vol XL. 2nd Series.
Counties Andrew - Atchison - Boone - Butler - Callaway - Cape Girardeau - Carroll - Chariton - Clark - Clay - Cole - Cooper - Dunklin - Franklin - Gasconade - Howard - Jackson - Lafayette - Lewis - Lincoln - Marion - Mississippi - Moniteau - New Madrid - Osage - Pemiscot - Perry - Pike - Platte - Ralls - Ray - Ripley - Saint Charles - Sainte Genevieve - Saint Louis - Saline - Scott - Stoddard - Wayne - Saint Louis