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| Formation Code Table |
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Formation codes
used in the on-line database
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AONE
|
A-1
|
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AONE1
|
A-1 ANHYDRITE
|
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AONE2
|
A-1 CARBONATE
|
|
AONE3
|
A-1 DOLOMITE
|
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AONE4
|
A-1 EVAPORITE
|
|
AONE5
|
A-1 SALT
|
|
ATWO
|
A-2
|
|
ATWO1
|
A-2 ANHYDRITE
|
|
ATWO2
|
A-2 CARBONATE
|
|
ATWO3
|
A-2 DOLOMITE
|
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ATWO4
|
A-2 EVAPORITE
|
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ATWO5
|
A-2 LIMESTONE
|
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ATWO6
|
A-2 SALT
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ALPN
|
ALPENA
|
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ALPN1
|
ALPENA LIMESTONE
|
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AMBG
|
AMHERSTBURG
|
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ADRD
|
ANDERDON
|
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ANRM
|
ANTRIM
|
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ANRM1
|
ANTRIM DARK
|
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ANRM2
|
ANTRIM LIGHT
|
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BILD
|
BASS ISLANDS
|
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BPRT
|
BAYPORT LIMESTONE
|
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BDFD
|
BEDFORD SHALE
|
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BELL1
|
BELL SHALE
|
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BERE
|
BEREA SANDSTONE
|
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BRBD
|
BEREA-BEDFORD
|
|
BIG
|
BIG ANHYDRITE
|
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BKRV
|
BLACK RIVER
|
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BKRV1
|
BLACK RIVER SHALE
|
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BBLC
|
BOIS BLANC
|
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BRWN
|
BROWN LIMESTONE
|
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BBLF
|
BURNT BLUFF
|
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BYRN
|
BYRON
|
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CBHD
|
CABOT HEAD
|
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CMBR
|
CAMBRIAN
|
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CTRC
|
CATARACT
|
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CNCN
|
CINCINNATIAN
|
|
CLNN
|
CLINTON
|
|
CLCC
|
CLINTON-CATARACT
|
|
CLDR3
|
COLDWATER SHALE
|
|
CLDR1
|
COLDWATER LIMESTONE
|
|
CLDR2
|
COLDWATER RED ROCK
|
|
CRDL
|
CORDELL
|
|
DRRV
|
DETROIT RIVER
|
|
DRRV1
|
DETROIT RIVER ANHY
|
|
DRRV2
|
DETROIT RIVER DOLOMITE
|
|
DRRV6
|
DETROIT RIVER EVAP
|
|
DRRV3
|
DETROIT RIVER GROUP
|
|
DRRV4
|
DETROIT RIVER SALT
|
|
DRRV5
|
DETROIT RIVER SZ
|
|
DORR
|
DORR ZONE
|
|
DRBC
|
DRESBACH
|
|
DUND
|
DUNDEE
|
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ECLR
|
EAU CLAIRE
|
|
ELSR
|
ELLSWORTH
|
|
ELSR1
|
ELLSWORTH SHALE
|
|
FILR
|
FILER SANDSTONE
|
|
FRNC
|
FRANCONIA
|
|
GLVL
|
GALESVILLE
|
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GDID
|
GARDEN ISLAND
|
|
GCDF
|
GLACIAL DRIFT
|
|
GLND
|
GLENWOOD
|
|
GDRV
|
GRAND RIVER
|
|
GRWS
|
GRANITE WASH
|
|
GLPH
|
GUELPH
|
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HKFB
|
HENDRICKS-FIBORN
|
|
JBVL
|
JACOBSVILLE
|
|
JRSC
|
JURASSIC
|
|
LAC
|
LACHINE
|
|
LMID
|
LIME ISLAND
|
|
LCKP
|
LOCKPORT
|
|
LUCS
|
LUCAS
|
|
MNSQ
|
MANISTIQUE
|
|
MNLN
|
MANITOULIN
|
|
MRSL
|
MARSHALL
|
|
MRSLL
|
MARSHALL LOWER
|
|
MRSL1
|
MARSHALL SANDSTONE
|
|
MRSLU
|
MARSHALL UPPER
|
|
MSSV
|
MASSIVE ANHYDRITE
|
|
MSSV1
|
MASSIVE SALT
|
|
MCGN
|
MICHIGAN FORMATION
|
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MCGN1
|
MICHIGAN STRAY
|
|
MCGN2
|
MICHIGAN STRAY SANDSTONE
|
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MSSP
|
MISSISSIPPIAN
|
|
MONRM
|
MONROE MIDDLE
|
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MNSM
|
MOUNT SIMON
|
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MNSG
|
MUNISING
|
|
NRCM
|
NEW RICHMOND
|
|
NGRN
|
NIAGARAN
|
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NGRN1
|
NIAGARAN BROWN
|
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NGRN2
|
NIAGARAN GRAY
|
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NGRN3
|
NIAGARAN WHITE
|
|
NOR
|
NORWOOD
|
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ONOT
|
ONEOTA
|
|
PARM
|
PARMA SANDSTONE
|
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PAX
|
PAXTON
|
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PSLV
|
PENNSYLVANIAN
|
|
PSALT
|
POTASSIUM SALT
|
|
PRFM
|
POTTER FARM
|
|
PRDC
|
PRAIRIE DU CHIEN
|
|
PCMB
|
PRECAMBRIAN
|
|
PCMB3
|
PRECAMBRIAN GRANITE
|
|
RDBD
|
RED BEDS
|
|
RRCK
|
REDROCK
|
|
RDCT
|
REED CITY
|
|
RDCT1
|
REED CITY ANHYDRITE
|
|
RDCT2
|
REED CITY DOLOMITE
|
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RCFD
|
RICHFIELD
|
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RGRC
|
ROGERS CITY
|
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SGNW
|
SAGINAW
|
|
SLIN
|
SALINA
|
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SLIN1
|
SALINA B
|
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SLIN2
|
SALINA B ANHYDRITE
|
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SLIN3
|
SALINA B SALT
|
|
SLIN4
|
SALINA C SHALE
|
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SLIN5
|
SALINA D SALT
|
|
SLIN6
|
SALINA E
|
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SLIN7
|
SALINA F
|
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SLIN8
|
SALINA F SALT
|
|
SLIN9
|
SALINA G
|
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SHKP
|
SHAKOPEE
|
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SLRN
|
SILURIAN
|
|
SQBY
|
SQUAW BAY
|
|
STPR
|
ST PETER
|
|
SRSR
|
STRAY-STRAY SANDSTONE
|
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SNBR1
|
SUNBURY SHALE
|
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SLVN
|
SYLVANIA
|
|
SLVN1
|
SYLVANIA SANDSTONE
|
|
TRVR
|
TRAVERSE
|
|
TRVR1
|
TRAVERSE CHERT
|
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TRVR2
|
TRAVERSE FORMATION
|
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TRVR3
|
TRAVERSE GROUP
|
|
TRVR4
|
TRAVERSE LIMESTONE
|
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TMPL
|
TREMPEALEAU
|
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TRNN
|
TRENTON
|
|
TBRV
|
TRENTON-BLACK RIVER
|
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TRPL
|
TRIPLE GYPSUM
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UTIC
|
UTICA
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