Materials Identification Guide

Oklahoma Lithic Material

 











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Name                    

Natural                                                  
Non-heat treated points                                Heat treated points                               Color details                    Primary found in:     Associated             Formation / Member
Ada Petrified Wood   Colors of tan, brown, white, and black Southern Oklahoma Antlers Sandston formation 
Alibates Agatized Dolomite
AKA: Alibates Flint
  Primarily banded, speckles, or mottled with colors commonly ranging from red, blue, purple, brown, cream, and white. Western Oklahoma Quartermaster Formation
Andesite
Generic Type
    North America Varies
Arbuckle Chert Oolitic and ranges from a tan to a light gray color. North central Oklahoma Arbuckle Formation, Osage Group
Argillite
(Generic type)
  Light to dark green, but may range to various shades of gray North America  
Arkansas Nocaculite   Ranges from white to light to dark grays and black, pinks to red, and tan to browns.  Southeastern Oklahoma Arkansas Novaculite Formation
Arnold Chert Smoky chert South central Oklahoma Arnold Member of the Deese Formation
Atoka Argillite   Ranges in color from a dark gray to black Northeastern Oklahoma Atoka formation
Atoka Siltstone   Ranges from a medium to dark gray Northeastern Oklahoma Atoka formation
Baldy Hill Jasper
AKA: Cimarron River Jasper
  Mottled color from most commonly varying shades of reds and yellows. Western Oklahoma Baldy Hill Formation
Barren Fork Chert
Barren Fork Chert ranges from a light to medium gray or a tan.
Northeastern Oklahoma Sallisaw Formation
Battiest Chert
AKA: Smithville Chert
Ranges from a dark bluish gray to black with small white veins of quartz commonly present. Southeastern Oklahoma Battiest Chert Member of the Tenmile Creek Formation, Stanley Group
Bayou Manard Chert
AKA: Red Bird Chert
Black chert with white fossil specks Northeastern Oklahoma Bayou Menard Member of the Moorefield Formation
Big Fork Chert
AKA: Bigfork Chert
Ranges from black to a dark gray East central Oklahoma Bigfork Formation
Black Mesa Agate / Jasper     Western Oklahoma  
Blaylock Sandstone   Ranges in color from tan to dark gray or greenish. East central Oklahoma Silurian Formation
Bois d'Arc Chert Ranges from a light bluish gray to a yellowish gray or red.  Tiny black or rust color inclusions or mottling of red and gray may be present.  South central Oklahoma Cravett Member of the Bois d'Arch Formation 
Boley Agate   Brecciated chert / jasper with a chalcedony cement of clear, red, black or brown with fragments of green, black, white, tan, or red. East central Oklahoma  
Boone Chert
AKA: Sallisaw Chert, Grand Falls Chert, Ti Valley Chert
Ranges from a light gray to white Northeastern Oklahoma Boone Limestone Formation
Carnelian
(Generic Type)
  Translucent and varies in shades from reddish brown to reddish orange. North America Varies
Cherokee Chert   Kansas, Oklahoma  
Cheyenne Quartzite     Kansas, Oklahoma Cheyenne Sandstone Formation
Chickachoc Chert Ranges in color from a rich tan to a grayish brown or black. South central Oklahoma Chickachoc Chert Member of the Wapanucka Formation
Chickasaw Creek Chert Black with white speckles Southeastern Oklahoma Chickasaw Creek Member of the Jackfork Formation
Cochrane Chert Primarily a light color, but may range to black.  Commonly has a breccia appearance Central Oklahoma Cochrane Member of the Chimneyhill Formation, Hunton Group
Cotter Chert
AKA: Swan Creek Chert
Ranges in color from a light gray or blue with light tan to white banding.  Northeastern Oklahoma Cotter Formation
Crushman Chert Mottled dark gray Northeastern Oklahoma Boone Limestone formation
Crystal Mountain Quartz   Ranges from a white to a light pink or light gray. Southeastern Oklahoma Crystal Mountain Sandstone Formation
Dakota Quartzite
AKA: Dakota Orthoquartzite
  Ranges in color from reds to browns Western Oklahoma Dakota Formation
Day Creek Chert   Ranges from a mottled very light pale blue to a grayish blue or a reddish blue.  Tan and brown mottling or streaking may be present Western Oklahoma Day Creek dolomite of the Cloud Chief formation
Eucha Chert
AKA: Spaviaw Chert, Euchaleda Chert
Banded and ranges from white to gray or yellowish gray Northeastern Oklahoma  
Flint Hill Chert
AKA fro Florence Chert type D
Wide range of colors including shades of blue and gray, whites, and browns. North central Oklahoma Florence Limestone Member of the Barnestone Formation
Flint Hills Quartzite     North central Oklahoma  
Florence Chert - Type A
AKA: Kay County Chert, Maple City Chert
Banded or "wood grained" and ranges in color from a buff to a yellow gray.  Heat treatment produces a red color. Central to eastern Oklahoma Florence Limestone Member, Barnestone Formation, Permian Group
Florence Chert - Type B Ranges in color from a steel gray to a bluish gray with lighter colored splotches or darker colored mottling. Central to eastern Oklahoma Florence Limestone Member, Barnestone Formation, Permian Group
Florence Chert - Type C Homogenous gray Central to eastern Oklahoma Florence Limestone Member, Barnestone Formation, Permian Group
Florence Chert - Type D
AKA: Flint Hills Chert
Ranges from gray to a buff with many thin bands of darker translucent material.  Central to eastern Oklahoma Florence Limestone Member, Barnestone Formation, Permian
Foraker Chert
AKA: Four Ace Chert
Light blue color with numerous snow white speckles of fossils. Northeastern Oklahoma Foraker Limestone Formation
Fort Scott Chert
AKA: Bixby Black Chert
Ranges from a dark bluish black to black. Northeastern Oklahoma Fort Scott Limestone Formation of the Henrietta (Marmaton) Group
Frisco Chert Ranges from white to a light gray or light yellowish gray or pale greenish yellow. Eastern Oklahoma Frisco Limestone Formation 
Grand Falls Chert
Boone Chert variation
Light gray color and may vary to brown Northeastern Oklahoma Grand Falls Member of the Boone Formation
Hindsville Chert Ranges from a gray bluish gray with mottling of light blue to blue, gray, and light browns. Northeastern Oklahoma Hindsville Limestone Member of the Batesville Formation
Ideal Quarry Chert Ranges from a light brown to a yellowish brown or an olive gray. Central Oklahoma Ideal Quarry Member of the Chimneyhill Formation, Hunton Group
Jackfork Chert Ranges from a medium gray to a brownish gray Southeastern Oklahoma Jackfork Formation
John's Valley Chert Ranges in color from a bluish black to a gray or chocolate brown.  It is a variegated or marbled chert. Eastern Oklahoma John's Valley Shale formation
Keokuk Chert Ranges from a creamy white to a whitish pink with streaks or patches of whitish brown or whitish pink and reddish spots commonly present.  Northeastern Oklahoma
Keokuk Formation of the St. Joes Group
Lindsey Bridge Chert Ranges in color from white to tan or blue. Northeastern Oklahoma Lindsey Bridge  Limestone Member of the Moorefield Formation
Mazarn Chert Glossy black Southeastern Oklahoma Mazarn Shale Formation
Moyers Chert Ranges from a dark greenish gray to black Southeastern Oklahoma Moyers Formation
Neva Chert White North central Oklahoma Neva Limestone Member of the Grenola Formation
Novaculite
(Generic Type)
  Range from white to light gray or black Southern Oklahoma Varies
Ogallala Orthoquartzite
AKA: Bijou Hills Silicified Sediment and Sugar Rock
  Colors can vary, but most common colors are light to dark gray, tan, white, pink, maroon, or golden Western Oklahoma Ogallala Formation
Ogallala Silicified Sediment
AKA: Ogallala Chert
  Ranges from a buff to a reddish color or gray.  Quartz inclusions form speckles in the material. Western Oklahoma Ogallala Formation
Oolagah Chert Ranging in color from varying shades of grays to bluish gray with banding or mottling . Northeastern Oklahoma Oolagah Limestone Formation, Tulsa Group
Osage Chert
Osage Undifferentiated Chert
Ranges from a white to light gray or light brown.  Occasionally gray to dark gray mottling is present. Northeastern Oklahoma Osage Series
Ouachita Novaculite
AKA: Pinetop Chert
  Range from white to light gray or black Southeastern Oklahoma Ouachita Novaculite Formation
Petrified Wood
AKA: Agatized Wood, Opalized Wood
  Vary in color based on the minerals present during the process North America Varies
Peoria Chert
AKA: Tahlequah  Chert
Primarily white but ranges to a pale yellowish what to a yellowish brown or pink Northeastern Oklahoma Tahlequah Member of the Moorefield Formation
Pinetop Chert
AKA: Brushy Creek Chert
Ranges in color from a white to a beige or light to dark gray. Southeastern Oklahoma Pinetop Formation
Pitkin Chert Ranges from a dark bluish gray to black with light blue occurring. White speckles  commonly present Northeastern Oklahoma Pitkin Limestone Formation
Pumpkin Creek Chert Bluish color South central Oklahoma Pumpkin Creek Limestone Formation
Red River Jasper
AKA: Kiamichi Chert
  ranges from an orangish red to a greenish gray with iron pyrite inclusions commonly present. Southeastern Oklahoma Possible Woodford Formation
Reed's Spring Chert
AKA: Carr Branch Chert
Opaque chert ranging in color from a bluish gray to a light gray or yellowish brown. Northeastern Oklahoma Reed Springs Formation
Rhyolite
(Generic Type)
  Gray to grayish black, flow banding may be present alternating from light to darker gray North America Volcanic Activity
Schroyer Chert
AKA: Wreford Type B
Ranges from bluish gray to a gray and may be mottled or splotched with darker gray with speckles of small white fossils North central Oklahoma Schroyer Member, Wrenford Limestone Formation
Skiatook Agatized Wood   Shades of white, gray, and brown with wood grain and rings commonly present. Northeastern Oklahoma  
Smithville Chert Black Southeastern Oklahoma Smithville Chert Member of the Stanley Shale Formation
Smoky Hills Jasper
AKA: Alma, Graham,  Niobrara, Republican River Jasper
  Vary in color from a mustard brown or caramel brown to a chalky or creamy white, less commonly red, green, or black does occur, Inclusions and dendrites may be present Kansas, Nebraska, Oklahoma Smoky Hills Member of the Niobrara Chalk Formation
Stanley Chert Ranges from a dark greenish gray to black Southeastern Oklahoma Stanley Shale Formation
Tahlequah Chert Ranges from a white to a light gray and may have spotting of a olive gray. Northeastern Oklahoma Tahlequa Member of the Moorefield Formation
Talihina Chert Upper member is a stratified blue, greenish, and white while the lower member is a stratified black, bluish, and white East central Oklahoma Talihina Chert Member
Tecovas Jasper
AKA: Quitague Jasper
Ranges from variegated or mottled red, blue, purple, brown, cream, and white Western Oklahoma Tecovas Formation 
Three Mile Chert
Wreford Chert Variant
AKA: Wreford Chert type A, Fourmile Chert
Yellowish brown Northeastern Oklahoma Threemile Limestone Member, Wreford Limestone Formation, Permian Group
Tuff
AKA: Solidified Volcanic Ash
  Contains greater than 75 volcanic ash and ranges from white to tan, gray or pink. North America Volcanic activity
Turkey Creek Chert Ranges from a white to a light gray Central Oklahoma Turkey Creek Inlier
Viola Chert Ranges from a light tan color to light gray or bluish Southern Oklahoma Viola Limestone Formation
Wapanucka Chert Mottled and striated gray chert. Southern Oklahoma Wapanucka Member of the Atoka Formation
Webber's Falls Siltstone
AKA: Arkansas Argillite
  Ranges from a greenish gray to dark gray or black. East central Oklahoma Webber's Falls Member of the Atoka Formation
Woodford Chert Ranges in color from a light gray to a light olive gray or black.  Lighter variations do occur ranging from a pale yellow to a tan.  Southeastern Oklahoma Woodford Formation
Wreford Chert
Type A
AKA: Three Mile Chert
Ranges from a buff or tan to a grayish tan color, medium fine grain Northeastern Oklahoma  Threemile Limestone Member, Wreford Limestone Formation
Wreford Chert
Type B
AKA: Schroyer Chert
Ranges from a bluish gray to a gray and may be mottled or splotched with darker gray with speckles of small white fossils Northeastern Oklahoma Schroyer Limestone Member, Wreford Limestone Formation
Wreford Chert
Type C
Ranges from a brownish gray to a bluish gray or dark gray with prominent banding Northeastern Oklahoma Wreford Limestone Formation