Geologic Systems

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Quaternary | Pennsylvanian | Mississippian (Middle) | Mississippian (Lower) | Devonian (Middle & Lower) | Silurian (Upper & Lower) | Ordovician (Middle & Lower)

Geologic Systems Quaternary
SystemDrawer #Lithic TypeCountyCounty Exp. #Cat. #HeatedExposure
Quaternary1Sioux QuartziteBuena VistaBV-A156  
Quaternary1Sioux QuartziteBuena VistaBV-A+156+ 
Quaternary1Till CobbleBuena VistaBV-B   
Quaternary1Till CobbleCalhounCH-A1466  
Quaternary1Till CobbleCalhounCH-A1+466+T
Quaternary1Till CobbleCalhounCH-A2467  
Quaternary1Till CobbleCalhounCH-A2+467+T
Quaternary1Till CobbleCalhounCH-A3468  
Quaternary1Till CobbleCalhounCH-A3+468+T
Quaternary1Till CobbleCalhounCH-A4469  
Quaternary1Till CobbleCalhounCH-A4+469+T
Quaternary1Till CobbleCalhounCH-A5470  
Quaternary1Till CobbleCalhounCH-A5+470+T
Quaternary1Till CobbleCalhounCH-B1471  
Quaternary1Till CobbleCalhounCH-B1+471+ 
Quaternary1Till CobbleCalhounCH-B2   
Quaternary1Till CobbleCalhounCH-B2+ + 
Quaternary1Till CobbleCalhounCH-B3   
Quaternary1Till CobbleCalhounCH-B3+ + 
Quaternary1Till CobbleCalhounCH-B4   
Quaternary1Till CobbleCalhounCH-B4+ + 
Quaternary1Till CobbleCalhounCH-B5   
Quaternary1Till CobbleCalhounCH-B5+ + 
Quaternary1Till CobbleCalhounCH-B6   
Quaternary2Till CobbleCalhounCH-B66+ + 
Quaternary2Till CobbleCalhounCH-C1   
Quaternary2Till CobbleCalhounCH-C1+ + 
Quaternary2Till CobbleCalhounCH-C2   
Quaternary2Till CobbleCalhounCH-C2+ + 
Quaternary2Till CobbleCalhounCH-C3   
Quaternary2Till CobbleCalhounCH-C3+ + 
Quaternary2Till CobbleCalhounCH-C4   
Quaternary2Till CobbleCalhounCH-C4+ + 
Quaternary2Till CobbleCalhounCH-C5   
Quaternary2Till CobbleCalhounCH-C6472  
Quaternary2Till CobbleCalhounCH-C7473  
Quaternary2Till CobbleCalhounCH-C8475  
Quaternary2Taconite JasperCerro GordoCE-A174 T
Quaternary2Taconite JasperCerro GordoCE-A+174+T
Quaternary2Tongue River SilicaCherokeeCK-A58 S
Quaternary2Tongue River SilicaCherokeeCK-A158+S
Quaternary2Tongue River SilicaCherokeeCK-A1+59+S
Quaternary2Tongue River SilicaCherokeeCK-A360 S
Quaternary2Tongue River SilicaCherokeeCK-A3+60+S
Quaternary2Tongue River SilicaCherokeeCK-A461 S
Quaternary2Tongue River SilicaCherokeeCK-A4+61+S
Quaternary2Tongue River SilicaCherokeeCK-A562 S
Quaternary2Tongue River SilicaCherokeeCK-A5+62+S
Quaternary3Knife River FlintCrawfordCF-A143 T
Quaternary3Till CobbleHenryHN-I1312 T
Quaternary3Till CobbleHenryHN-I1+312+T
Quaternary3Till CobbleHumboldtHB-A   
Quaternary3Till CobbleHumboldtHB-A+ + 
Quaternary3Tongue River SilicaJacksonJK-A180 T
Quaternary3Tongue River SilicaJacksonJK-A+180+ 
Quaternary3Knife River FlintKossuthKH-A251 T
Quaternary3Till CobbleMarionMA-A1+233+S
Quaternary3Till CobbleMarionMA-A2   
Quaternary3Till CobbleMarionMA-A2+ + 
Quaternary3Till CobbleMarionMA-A3   
Quaternary3Till CobbleMarionMA-A3+ + 
Quaternary3Till CobbleMarionMA-B1   
Quaternary3Till CobbleMarionMA-B1+261+S
Quaternary3Till CobbleMarionMA-B2426 S
Quaternary3Till CobbleMarionMA-B2+426+S
Quaternary3Till CobbleMarionMA-B3427 S
Quaternary3Till CobbleMarionMA-B3+427+S
Quaternary3Till CobbleMarionMA-B4428 S
Quaternary3Till CobbleMarionMA-B4+428+S
Quaternary3Till Cobble ChalcedonyMarionMA-B5429 S
Quaternary3Till Cobble ChalcedonyMarionMA-B5+429+S
Quaternary3Till Cobble ChertMarionMA-B6430 S
Quaternary4Till Cobble ChertMarionMA-B6+430+ 
Quaternary4Till Cobble ChalcedonyMarionMA-B7431 S
Quaternary4Till Cobble ChalcedonyMarionMA-B7+431+S
Quaternary4Tongue River SilicaRinggoldRN-A254 T
Quaternary4Tongue River SilicaRinggoldRN-A+254+T
Quaternary4Till CobbleSacSA-A1505  
Quaternary4Till CobbleSacSA-A1+505+ 
Quaternary4Till CobbleSacSA-A2525  
Quaternary4Till CobbleSacSA-A2+525+ 
Quaternary4Till CobbleSacSA-A3532  
Quaternary4Till CobbleSacSA-A3+532+ 
Quaternary4Till CobbleSacSA-B1506  
Quaternary4Till CobbleSacSA-B1+506+ 
Quaternary4Till CobbleSacSA-B2525  
Quaternary4Till CobbleSacSA-B2+525+ 
Quaternary4Till CobbleSacSA-B3526  
Quaternary4Till CobbleSacSA-B3+526+ 
Quaternary4Till CobbleSacSA-C527  
Quaternary4Till CobbleSacSA-C+527+ 
Quaternary4Till CobbleSacSA-D1528  
Quaternary4Till CobbleSacSA-D1+528+ 
Quaternary4Till CobbleSacSA-D2529  
Quaternary4Till CobbleSacSA-D2+529+ 
Quaternary4Till CobbleSacSA-D3530  
Quaternary4Till CobbleSacSA-D3+530+ 
Quaternary4Till CobbleSacSA-D4   
Quaternary5Till CobbleSacSA-D5   
Quaternary5Till CobbleSacSA-E531  
Quaternary5Till CobbleSacSA-E+531+ 
Quaternary5Till CobbleSacSA-F1532  
Quaternary5Till CobbleSacSA-F1+532+ 
Quaternary5Till CobbleSacSA-F2   
Quaternary5Till CobbleSacSA-F2+ + 
Quaternary5Till CobbleSacSA-F3   
Quaternary5Till CobbleSacSA-F3+ + 
Quaternary5Till CobbleSacSA-F4   
Quaternary5Till CobbleSacSA-F4+ + 
Quaternary5Till CobbleStorySR-C1216 T
Quaternary5Till CobbleStorySR-C1+216+T
Quaternary5Till CobbleStorySR-C2218 T
Quaternary5Till CobbleStorySR-C3+219+T
Quaternary5Till CobbleStorySR-C4220 T
Quaternary5Till CobbleStorySR-C5+221+T
Quaternary5Till CobbleStorySR-C6222 T
Quaternary5Tabular Till CobbleStorySR-C7+223+T
Quaternary5Till CobbleStorySR-C8+224+T
Quaternary5Tabular Till CobbleStorySR-C9225 T
Quaternary5Till CobbleStorySR-C10226 T
Quaternary5Till CobbleStorySR-C10+226+ 
Quaternary5OoliticTill CobbleStorySR-C11227 T
Quaternary6OoliticTill CobbleStorySR-C11+227+ 
Quaternary6Till CobbleStorySR-C12228  
Quaternary6Till CobbleStorySR-C13+229+ 
Quaternary6Till CobbleStorySR-C14+230+ 
Quaternary6Oolitic Till CobbleStorySR-D232 S
Quaternary6Oolitic Till CobbleStorySR-D+232+S
Quaternary6Till CobbleStorySR-F235 T
Quaternary6Till CobbleStorySR-F+235+T
Quaternary6Till CobbleStorySR-J239 S
Quaternary6Tongue River SilicaStorySR-K1240 T
Quaternary6Tongue River SilicaStorySR-K1+240+T
Quaternary6Till Cobble DolomiticStorySR-K2+241+T
Quaternary6Argillaceous MudstoneWebsterWB-A157 O
Quaternary6Argillaceous MudstoneWebsterWB-A+157+O
Quaternary6KakabecaWebsterWB-B477  
Quaternary6KakabecaWebsterWB-B+477+ 
Quaternary6Argillaceous MudstoneWebsterWB-C   
Quaternary6Argillaceous MudstoneWebsterWB-C+ + 
Quaternary6Tongue River SilicaWoodburyWD-A72 S
Quaternary6Tongue River SilicaWoodburyWD-A+72+ 
Quaternary6Bijou Hills OrthoquartziteWoodburyWD-B1366 M
Quaternary6Tongue River SilicaWoodburyWD-B2367 M
Quaternary6Tongue River SilicaWoodburyWD-B2+367+M
Pennsylvanian6ArgentineMadisonMD-A1163 Q