MESOZOIC STRATIGRAPHIC CHART

ERATHEM SYSTEM SERIES GROUP FORMATION/MEMBER1 REMARKS

+ O Euro. Prov. Arkadelphia 1) Formations and members are shelf units.

The right columns shows distal-source facies Nacatoch  ARR (shelfedge or basin) as indicated by explanation. V A Saratoga N oup Marlbrook Annona YLOR Selin Gr A

T Ozan GULF Brownstown Tokio UPPER USTIN

A Rapides

Upper Eagle Ford 

Middle Fm  2) Equivalent to the Woodbine of TUSCA- LOOSA Lower2 Pepper Shale Texas.

South Upper Malver 

Tyler Maness Shale Buda  3) Washita units preserved beneath the sub- 3 Grayson Gulfian unconformity primarily within the A North Louisiana Syncline, subsurface only Main Street (see AAPG COSUNA Gulf Coast Region Correlation Chart (1988): columns 7-10;

Pawpaw-Weno wn ASHIT Anderson, E. G. (1979). Basic Mesozoic W Denton Study in Louisiana, the Northern geto Fort Worth Coastal Region, and the Gulf Basin Province. Folio Series No.3. Baton Rouge: Duck Upper Geor Louisiana Geological Survey. Creek Lower Kiamichi Benbrook 4) Fredericksburg units not preserved over the CEOUS 4 Goodland crest of the Sabine and Monroe uplifts or the COMANCHE A Marys Creek

Fredericksburg Lake Bistineau trend (in the North Louisiana Paluxy  Syncline) between the uplifts. Upper Upper Rusk Glen CRET Mooringsport Rose6

WER 5 Ferry Lake Anhydrite 5) Upper parts of the Trinity not preserved over the highest parts of the Sabine Uplift: these

LO and older Cretaceous units are absent over  Stuart City Fm higher elements of the Monroe Uplift (see Rodessa Fm AAPG COSUNA Gulf Coast Region TRINITY Correlation Chart (1988): columns 7-9 Anderson 1979). James Fm earsall Fm

Pine Island Fm P Sligo 6) The Terms Upper Glen Rose and Pettet are Pettet 6 still used by some geologists, the latter being a Reef synonym for the Sligo, especially as to porous Givens  Unnamed zones of that formation. AMED

AHUILA Grambling MESOZOIC  7) This terminology is presently in use by certian industry geologists (see Mann and Thomas UNN Hosston CO Caspiana  1964: Gulf Coast Association of Geological Napper  Societies Transactions 14:143-53).

+ Aycock  Hughes  Knowles Fm 7 cheat Sentell  7 Dor Lenton  7 7 oup + Upper 7

ALLEY Roseberry V Schuler Fm Fm alley Gr erryville

Sexton V Hico Fm T ON

Taylor  TT Shongaloo 1 Cotton CO Sub-Taylor + Upper  7 UPPER Middle Bossier Fm ARK-LA-TEX

Lower Bossier Shale Millerton # Provincial series boundaries do Upper not correspond precisely with Gamma Buckner standard European series boundaries James Estate + Inter vals also constitute Beta Buckner

JURASSIC depositional sequences

Haynesville Jones Units paleontologically zoned + Alpha Buckner [see AAPG COSUNA Chart

ARK Upper (1988); Swain and Anderson

er (Bulletin 45)] v  LOU o Banks

Shelfedge barrier reef Lower  Smack Basin facies, distal source Basal

Norphlet Ammonite-bearing tongue extending into areas which are normally shelf # + A  MIDDLE Louann Salt New names proposed by Swain, F. M. and Anderson, E. G. in Upper  ner Stratigraphy and Ostracoda of the

LOWER er LOUISIAN

W Lower Northern Gulf Coastal Region. Baton Rouge: Louisiana Geological Survey (Bulletin 45). TRIASSIC UPPER Eagle Mills

UNDIFFERENTIATED PALEOZOIC