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Geology of Southern Oklahoma. Group #6 Ronnie Miller Amy Miller Kim Scott Kristi Birdsong Hannah Benson Amy Benson Reina Womack Tammara Cook Brenda Wright Lee Vertrees. Sedimentary Rocks of Bryan County. Quaternary Period. Alluvium 20-30 ft deep

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Geology of southern oklahoma
Geology of Southern Oklahoma

Group #6

Ronnie Miller

Amy Miller

Kim Scott

Kristi Birdsong

Hannah Benson

Amy Benson

Reina Womack

Tammara Cook

Brenda Wright

Lee Vertrees


Sedimentary rocks of bryan county
Sedimentary Rocks of Bryan County


Quaternary period
Quaternary Period

  • Alluvium

  • 20-30 ft deep

  • Sediment that will eventually form conglomerate rocks

  • 10,000 years –present

  • Qt



Dexter sandstone
Dexter Sandstone

  • 85-90 ft thick

  • Kwd

  • Shallow ocean formation

  • Natural Aquifer

  • Yellow brown, iron containing sedimentary rock


Bennington limestone
Bennington Limestone

  • 7-13 feet thick

  • Kb

  • Deep Ocean Formation

  • Hard limestone w/fossil

  • Blue-gray, very dense, fossilized limestone


Fossilized bennington limestone
Fossilized Bennington Limestone

  • 7-13 feet thick

  • Kb

  • Deep Ocean Formation

  • Hard limestone w/fossil

  • Blue-gray, very dense, fossilized limestone


Pawpaw sandstone
Pawpaw Sandstone

  • 40-45 feet thick

  • Kbp

  • Youngest of the Bokchito Formation


Evidence of sandstone
Evidence of Sandstone

  • Sandstone is permeable to water. Natural Aquifer

  • Plant Growth

    • Willow Trees

    • Mimosa Tres

    • Cat tails

    • Horse tail rush


Soper limestone
Soper Limestone

  • 0-2 feet thick

  • Kbs

  • Deep Ocean Deposit

  • Gray, fossilized limestone


Caddo formation
Caddo Formation

  • 150-160 feet thick

  • Kc

  • Alternating layers of limestone and shale

  • Cream colored limestone, gray colored shale


Kiamichi formation
Kiamichi Formation

  • 30-40 feet thick

  • Kk

  • Deep Ocean Formation

  • Dark-gray to black limestone

  • Fossilized with ammonites



Antlers sandstone
Antlers Sandstone

  • 250-600 feet thick

  • Ka

  • Poorly cemented, unfossilized, white to yellow sandstone

  • Used by Cardinal Glass in Durant

  • Also used as frac sand by oil companies


Wapanuka formation
Wapanuka Formation

  • Limestone and Shale interbedded

  • Shallow Ocean formation

  • Calcium Carbonate from coral reefs

  • Crinoids fossils abundant


Springer formation
Springer Formation

  • Limestone on the ground

  • Lichens tend to grow on limestone giving them a darker appearance

  • Found at the edge of the Arbuckle-Simpson Aquifer


Woodford shale
Woodford Shale

  • Dark colored shale

  • Presence of phosphate nodules

  • Natural gas deposits are found in Woodford shale

  • MDsw

  • Deep Ocean Deposit

  • 360-408 million years


Dolomite
Dolomite

  • Thick deposit of Magnesium Carbonate

  • Ocm

  • 438-500 million years


Granodiorite
Granodiorite

  • P€gr

  • Medium-grained hornblende-biotite


Troy granite
Troy Granite

  • P€tr

  • Medium-grained pink granite


Tishomingo granite
Tishomingo Granite

  • 1.37 billion years

  • P€ti


Granitic gneiss
Granitic Gneiss

  • 1.39 billion years

  • P€gg



Anticlines
Anticlines

  • Form when convergent forces in the earth fold rock layers upward.

  • Causing the oldest layers at the core with younger layers progressing outward from the core


Synclines
Synclines

  • Form when convergent forces in the earth fold rock layers downward.

  • Causing the oldest layers at the core with younger layers progressing outward from the core


Faults
Faults

  • Occur where forces inside earth have caused layers to break and fall at different angles.


Collins ranch conglomerate
Collins Ranch Conglomerate

  • IPcr

  • 3000 ft thick est.


Woodford shale1
Woodford Shale

  • MDw

  • Blake shale


Viola group
Viola Group

  • Limestones that form steep resistant ridges

  • Ov

  • 684 feet thick


Oil creek formation
Oil Creek Formation

  • Basal Sandstone

  • Ooc

  • 747 ft thick


Joins formation
Joins Formation

  • Thin bedded, fossiliferous light gray limestone

  • Oj

  • 294 feet thick


West spring creek limestone
West Spring Creek Limestone

  • 284 ft thick

  • Ow

  • Mostly gray to tan limestones


Butterly dolomite
Butterly Dolomite

  • Oldest member of the upper Arbuckle group

  • Ob


Sylvian shale
Sylvian Shale

  • Mostly olive green plastic to fissile clay shale

  • Os

  • At contact zone with Keel Limestone of the Hunton Group


Kindblade formation
Kindblade Formation

  • Gray, fine grained limestone

  • Ok

  • 1440 feet thick


Royer dolomite
Royer Dolomite

  • Only Cambrian sample

  • Pink to gray massive dolomite

  • Cry


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