Description

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Quaternary Geology, 1989 (1:500,000) - Shows surficial geology of Indiana. The mapped units include textural assemblages of quaternary sediments and bedrock lithologies. Digitized from the following preexisting published paper map -- Indiana Geological Survey Miscellaneous Map 49.

Dataset Attributes

  • OBJECTID
    Number
  • Map Symbol (IGS MM49, Codes)
    Text
    {"value"=>"o", "count"=>450} (), {"value"=>"s", "count"=>261} (), {"value"=>"a", "count"=>259} (), {"value"=>"rl", "count"=>254} (), {"value"=>"TE", "count"=>245} (), {"value"=>"m", "count"=>230} (), {"value"=>"lo", "count"=>141} (), {"value"=>"tb", "count"=>133} (), {"value"=>"2", "count"=>107} (), {"value"=>"la", "count"=>103} ()
  • Lithologic Description
    Text
    {"value"=>"Undifferentiated outwash", "count"=>505} (), {"value"=>"Loam till", "count"=>277} (), {"value"=>"Dune sand", "count"=>261} (), {"value"=>"Alluvium", "count"=>259} (), {"value"=>"Lowland silt comlex", "count"=>254} (), {"value"=>"Loam to sandy loam till", "count"=>245} (), {"value"=>"Muck", "count"=>230} (), {"value"=>"Lake silt and clay", "count"=>162} (), {"value"=>"Mixed drift", "count"=>153} (), {"value"=>"Loess", "count"=>141} ()
  • Quaternary Geologic Age
    Text
    {"value"=>"Wisconsinan", "count"=>1553} (), {"value"=>"Holocene", "count"=>592} (), {"value"=>"Wisconsinan to Holocene", "count"=>488} (), {"value"=>"Pre-Wisconsinan", "count"=>357} (), {"value"=>"Middle Mississippian", "count"=>141} (), {"value"=>"Late Mississippian and Early Pennsylvanian", "count"=>107} (), {"value"=>"n.a.", "count"=>60} (), {"value"=>"Middle Pennsylvanian", "count"=>58} (), {"value"=>"Silurian and Devonian", "count"=>51} (), {"value"=>"Early to Middle Mississippian", "count"=>45} ()
  • Quaternary Depositional Association
    Text
    {"value"=>"n.a.", "count"=>1464} (), {"value"=>"Outwash", "count"=>598} (), {"value"=>"Aeolian", "count"=>412} (), {"value"=>"Relict-surface", "count"=>322} (), {"value"=>"Till (Huron-Erie Lobe)", "count"=>308} (), {"value"=>"Lacustrine", "count"=>179} (), {"value"=>"Complex Drift", "count"=>137} (), {"value"=>"Till (Lake Michigan Lobe)", "count"=>64} (), {"value"=>"Till (Saginaw Lobe)", "count"=>21} ()
  • Shape
    Number
  • GlobalID
    Number

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