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Legend (Inventory_Geology/Digital_Geologic_Map_of_Chickasaw_National_Recreation_Area_and_Vicinity_Oklahoma)

CHIC - Geologic Cross Section Lines (0)
cross section line cross section line
CHIC - Geologic Attitude Observation Localities (1)
strike and dip of inclined beds strike and dip of inclined beds
strike and dip of inclined overturned beds strike and dip of inclined overturned beds
horizontal beds horizontal beds
CHIC - Mine Point Features (2)
well well
CHIC - Map Symbology (3)
fold plunge arrow head fold plunge arrow head
fault down-side (bar and ball) indicator fault down-side (bar and ball) indicator
anticline symbol anticline symbol
syncline symbol syncline symbol
fault block movement direction arrows (right-lateral) fault block movement direction arrows (right-lateral)
CHIC - Folds (4)
anticline, known or certain anticline, known or certain
syncline, known or certain syncline, known or certain
syncline, concealed syncline, concealed
CHIC - Faults (5)
thrust fault, known or certain thrust fault, known or certain
thrust fault, inferred thrust fault, inferred
normal fault, known or certain normal fault, known or certain
normal fault, concealed normal fault, concealed
normal fault, inferred normal fault, inferred
unknown offset/displacement, known or certain unknown offset/displacement, known or certain
unknown offset/displacement, inferred unknown offset/displacement, inferred
oblique, right-lateral, reverse slip fault, known or certain oblique, right-lateral, reverse slip fault, known or certain
oblique, right-lateral, reverse slip fault, inferred oblique, right-lateral, reverse slip fault, inferred
CHIC - Collapsed and Mega-Brecciated Strata Boundaries (6)
known or certain known or certain
CHIC - Collapsed and Mega-Brecciated Strata (7)
area of collapsed and mega-brecciated strata area of collapsed and mega-brecciated strata
CHIC - Geologic Contacts (8)
known or certain known or certain
inferred inferred
map boundary map boundary
water or shoreline water or shoreline
scratch boundary scratch boundary
CHIC - Geologic Units (9)
water water
Qaf - Artificial fill (Quaternary) Qaf - Artificial fill (Quaternary)
Qac - Alluvium and colluvium, undifferentiated (Quaternary) Qac - Alluvium and colluvium, undifferentiated (Quaternary)
Ps - Stratford Formation (lower Permian) Ps - Stratford Formation (lower Permian)
PNvs - Vanoss Formation, upper shale facies (Upper Pennsylvanian, Virgilian) PNvs - Vanoss Formation, upper shale facies (Upper Pennsylvanian, Virgilian)
PNvc - Vanoss Formation, lower limestone conglomerate facies (Upper Pennsylvanian, Virgilian) PNvc - Vanoss Formation, lower limestone conglomerate facies (Upper Pennsylvanian, Virgilian)
PNd - Deese Group, undifferentiated (Middle Pennsylvanian, middle Desmoinesian) PNd - Deese Group, undifferentiated (Middle Pennsylvanian, middle Desmoinesian)
PNaw - Atoka and Wapanucka Formations, undifferentiated (Lower to Middle Pennsylvanian, Morrowan to Atokan) PNaw - Atoka and Wapanucka Formations, undifferentiated (Lower to Middle Pennsylvanian, Morrowan to Atokan)
PNMs - Springer Formation (Upper Mississippian to Lower Pennsylvanian, Chesterian to Morrowan) PNMs - Springer Formation (Upper Mississippian to Lower Pennsylvanian, Chesterian to Morrowan)
Mc - Caney Shale (Middle to Upper Mississippian, Meramecian to Chesterian) Mc - Caney Shale (Middle to Upper Mississippian, Meramecian to Chesterian)
MDsw - Sycamore Limestone, Welden Limestone and Woodford Shale, undifferentiated (Devonian to Mississippian) MDsw - Sycamore Limestone, Welden Limestone and Woodford Shale, undifferentiated (Devonian to Mississippian)
DSOh - Hunton Group, undifferentiated (Upper Ordovician, Cincinnatian to Lower Devonian) DSOh - Hunton Group, undifferentiated (Upper Ordovician, Cincinnatian to Lower Devonian)
Dhu - Upper part of Hunton Group, undifferentiated (Lower Devonian) Dhu - Upper part of Hunton Group, undifferentiated (Lower Devonian)
SOhl - Lower part of Hunton Group, undifferentiated (Upper Ordovician to Silurian) SOhl - Lower part of Hunton Group, undifferentiated (Upper Ordovician to Silurian)
Osv - Sylvan Shale and Viola Group, undifferentiated (Upper Ordovician, Cincinnatian) Osv - Sylvan Shale and Viola Group, undifferentiated (Upper Ordovician, Cincinnatian)
Os - Sylvan Shale (Upper Ordovician, Cincinnatian) Os - Sylvan Shale (Upper Ordovician, Cincinnatian)
Ov - Viola Group (Upper Ordovician, Cincinnatian) Ov - Viola Group (Upper Ordovician, Cincinnatian)
Obm - Bromide, Tulip Creek and McLish Formations, undifferentiated (Middle Ordovician) Obm - Bromide, Tulip Creek and McLish Formations, undifferentiated (Middle Ordovician)
Ooj - Oil Creek and Joins Formations, undifferentiated (Middle Ordovician) Ooj - Oil Creek and Joins Formations, undifferentiated (Middle Ordovician)
Ow - West Spring Creek Formation (Lower Ordovician) Ow - West Spring Creek Formation (Lower Ordovician)
Owk - West Spring Creek and Kindblade Formations (Lower Ordovician) Owk - West Spring Creek and Kindblade Formations (Lower Ordovician)