Mesozoic Stratigraphic Chart
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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 .