Stratigraphy and Ostracoda of the Ripley Formation of Western Geo

Louisiana State University LSU Digital Commons LSU Historical Dissertations and Theses Graduate School 1960 Stratigraphy and Ostracoda of the Ripley Formation of Western Georgia Raymond Weathers Stephens Jr Louisiana State University and Agricultural & Mechanical College Follow this and additional works at: https://digitalcommons.lsu.edu/gradschool_disstheses Recommended Citation Stephens, Raymond Weathers Jr, "Stratigraphy and Ostracoda of the Ripley Formation of Western Georgia." (1960) LSU Historical Dissertations and Theses 587 https://digitalcommons.lsu.edu/gradschool_disstheses/587 This Dissertation is brought to you for free and open access by the Graduate School at LSU Digital Commons It has been accepted for inclusion in LSU Historical Dissertations and Theses by an authorized administrator of LSU Digital Commons For more information, please contact gradetd@lsu.edu Stratigraphy and Ostracoda of the Ripley Formation of Western Georgia A Dissertation Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College in partial fulfillment of the requirement8 for the degree of Doctor of Philosophy in The Department of Geology by Raymond Weathers Stephens, Jr B S., University of Georgia, 1951? M, S,, Louisiana State University, 1956 January, I960 ACKNOWLEDGMENTS The writer wishes to express his sincere appreciation to Dr* Glover E Murray and Dr Clarence Durban, Jr., Louisiana State University, for their guidance and assistance throughout the preparation of this dissertation and for their time spent with me in both the field and the office* Grateful acknowledgment is due Dr Henry V Howe, Director of the School of Geology, Louisiana State University, far his invaluable assistance in the identification of the Ostracoda and for the generous use of his excellent type collection* Dr John C Fern graciously assisted in the study of the thin sections used in this dissertation and far this the author offers credit and appreciation* Special acknowledgment is due fellow graduate student Steve R Windham for preparing the Ostracoda illustrations and fellow graduate student Phili Deboo for his aid in mineral identification The writer is also indebted to the Magnolia Petroleum Company for their graduate fellowship for the years 1957-1959 TABLE OF CONTENTS Page I II III ABSTRACT INTRODUCTION STRATIGRAPHY Gulfian General Features * Ripley Formation General Features .• Detailed Lithology Quitman and Southern Stewart Counties Northern Stewart, Southern Chattahoochee, and Southern Marion Counties Central Stewart County 12 15 Northern Schley, Southern Taylor, and Northern Macon Counties 17 Providence Sand 21 Area Between Flint and Ocmulgee Rivers Cretaceous East of the Ocmulgee Twiggs County 21 River 27 27 IV SUMMARY 29 V SEDIMENTARY PETROGRAPHY " 31 VE VII OSTRACODA DESCRIPTION OF GENERA AND SPECIES 37 iii 35 Page Phylum ARTHROPODA 37 Glass CRUSTACEA 37 Order OSTRACODA * Suborder FLATYCOPA Sars, 1865 37 37 Family CYTHERELLIDAE Sars, 1866 37 Genus CYTHERELLOIDEA Alexander, 1929 37 Cytherelloidea crafti Sexton,1951 • • 37 Genus CYTHERELLA Jones, 181*9 38 Cytherella ovoidea Alexander, 1929 38 Cytherella cf C tuberculifera Alexander, ~Y929 39 Cytherella sp 39 Cytherella s p 1*0 Suborder PODOCOPA Sars, 1865 1*1 Family CYPRIDAE Baird, 181*9 Subfamily PONTOCEPRIDINAE Genus ARGILLOECIA Sars, 1866 1*1 1*1 1*1 Argilloecia sp 1*1 Subfamily CYPRIDINAE Baird, 181*6 1*1 Genus PARACYPRIS Sars, 1866 Id Paracypris sp Family BAIEDIIBAE Sars, 1923 Subfamily BAIRDIINAE Sars, 1923 1*1 1*2 1*2 Genus BAIRDOPPHATA Coryell, Sample and Jennings, 193? 1*2 Bairdoppilata magna Alexander, 1927 1*2 iv Page Family CYTHERIDAE Baird, 1850 43 Subfamily XESTOLEBERINAE Sars, 1928 43 Genus XESTOLEBERIS Sars, 1866 Xestoleberis sp 43 , 43 Subfamily LOXOCOWCHINAE Sars, 1925 44 Genus LOXOCONCHA Sars, 1866 kk Laxoconcha cretacaa Alexander,- 1936 44 Subfamily CYTHERURINAE Muller, 1894 45 Genus CYTHEROPTERON Sars, 1866 45 Cytheropteron n, sp 45 Genus ORTHONOTACYTHERE Alexander, 1933 46 Orthonctacythere hannai (Israelsky), 1929 46 Subfamily CYTHERIDEINAE Sars, 1925 47 Genus CLXTHROCYTHERIDEA Stephenson, 1936 47 Clithrocytheridea ? n sp 47 Clithrocytherldea fabaformls (Berry), 1925 48 Genus HAPLOCYTHERIDEA Stephenson, 1936 50 Haplocytheridea n sp 50 Haplocytheridea ? eouncilli (Brown), 1957 51 Haplocytheridea ? globosa (Alexander), 1929 52 Haplocytheridea micropunctata (Alexander), 1929 53 Haplocytheridea ? monmouthensis (Berry), 1925 54 Haplocytheridea ? plummeri (Alexander), 1929 55 Haplocytheridea ? raybumensis Butler and Jones, Haplocytheridea Barectaensis (Brown), 1957 57 page Haplocytheridea ? ulrichi (Berry), 1925 58 59 Subfamily KRITHINAE Mandelstom, 1958 Genus KRITHE Brady, Crosskey and Robertson, 1874- 59 Krithe cushmant Alexander, 1929 59 Subfamily PROGONOCYTHERINAE Sylvester-Bradley, 1948 60 Genus PR0G0N0CYTHERE Sylvester-Bradley, 1948 60 Progonocybhere ? n sp 60 Subfamily BRACHYCYTHERINAE Puri, 1953 6l Genus BRACHYCYTKERE Alexander, 1933 6l Brachycythere ledaforma (Israelsky), 1929 61 Brachycythere ovata (Berry), 1925 63 Brachycythere rhomboidalis (Berry), 1925 64 Genus PTERGOCYTHERE Hill, 1954 65 Ptergocythere saratogana (Israelsky), 1929 65 Subfamily TRACHYLEBERINAE Sylvester-Bradley, 1948 66 Genus CYTHEREIS Jones, 1849 Cythereis costatana Israelsky, 1929 Cythereis communis Israelsky, 1929 66 • 66 67 Cythereis hazardi Israelsky, 1929 69 Cythereis huntensis (Alexander), 1929 70 Genus VEENIA Butler and Jones, 1957 71 Veenia ozanana (Israelsky), 1929 71 Veenia arachoides (Berry), 1925 72 Genus AMPHICYTHERURA Butler and Jones, 1957 74 Amphicytherura ? curta (Jennings), 1937 74 Subfamily Uncertain 74 vi Page New Genus n sp aff Cytherura ? aaratogana Israelsky,1929 VIII LOCATION OF SAMPLES IX SELECTED BIBLIOGRAPHY X V ITA 74 76 81 85 ▼ii LIST OP TABLES Page I Percentages of Minerals Identified in each Thin Section; II Mean Grain Size, Standard Deviation from Mean, and Observed Range of Quartz Grains in Thin Sections where Quartz Exceeds Ten Percent III Trace Minerals and Matrix Description of all Thin Sections viii 32 33 34 LIST OF FIGURES Index Hap following page 2 Check List of Ostracod Species following page 36 ix 82 Brown, P M., 1957, Upper Cretaceous Ostracoda from North Carolina: North Carolina Department of Conservation and Development, Division of MxnerkL Resources^ Bulletin ?0,'28 pp., pis, Butler, E A and Jones, D E., 1957, Cretaceous Ostracoda of Prothro and Rayburns Salt Domes, Bienville Parish, Louisiana: Louisiana Department of Conservation, Geological Survey, Bulletin No, 32, pp 1-65, 6"pls Calahan, L W., 1939# Diagnostic Fossils of the Ark-La-Tex Area: Shreveport Geological Society Guidebook, Fourteenth Annual f'xeld Trip, pp 36-56, pis 1-9* Chayes, F., 19h9, A Simple Point Counter for Thin Section Analysis: American Mineralogist, Vol 3h, pp 1-11 Cooke, C ¥., 1926, Correlation of the Basal Cretaceous Beds of the Southeastern States: United States Geological Survey Professional Paper litO-F, pp 137-135 , 1936, Geology of the Coastal Plain of South Carolina: States Geological Survey Bulletin 867, 196 pp , 191*3, Geology of the Coastal Plain of Georgia: Geological Survey Bulletin 9Ul, 121 pp United United States Coiyell, H N., Sample, C H., and Jennings, P H., 1935, Bairdoppilata, A New Genus of Ostracoda: American Museum Novitates, Mo 777, k pp Eargle, D H., 1950, Geologic Map of the Selma Group of Central and Eastern Alabama: United States Geological Survey Oil and Gas Inv Prelim Map 105 Eargle, D H., 1955, Stratigraphy of the Outcropping Cretaceous Rocks of Georgia: United States Geological Survey Bulletin 1011* 101 pp Georgia Division of Hines, Mining, and Geology, 1939, Geologic Map of Georgia: Atlanta, Georgia Herrick, S M., and LaMoreaux, P E., I9I4I1, Upper Cretaceous Series (of Georgia): Southeastern Geological Society Guidebook, Second Field Trip, pp 6-26 Hilgard, E W., i860, Report on the Geology and Agriculture of the State of Mississippi: Mississippi Geological Survey, 391 pp Hill, B L., 195U, Reclassification of Winged Cythereis and Winged Brachycythere: Journal of Paleontology, vol 2b," pp 8OU-826, pis 97-160 Howe, H V and Laurencich, L., 1958, Introduction to the Study of Cretaceous Ostracoda: Louisiana State University Press',' 53?T"pp• 83 Israelsky, M C., 1929, 1935, Upper Cretaceous Ostracoda of Arkansas? Arkansas Geological Survey, Bulletin No 2, pp 1-29, 1* pis Reprinted privately by Parke-Harper in Bulletin 2s Oil and Gas Geology of the Coastal Plain in Arkansas by ¥, C, Spooner, pp 57r-Ti97,T pli. -Jennings, P H,, 1936, A Microfauna from the Monmouth and Basal Rancocas Groups of New Jerseys Bulletin of American Paleontology, vol 23, no 78, pp 161-23U, pis 1-7 LaMoreaux, P E., 191*5, Geology of the Coastal Plain of East-Central Georgia: Georgia Geological Survey Bulletin 50, pt 1, 26 pp , 191*6, Geology and Ground-water Resources of the Coastal Plain of feast-Central Georgia: Georgia Geological Survey Bulletin 52, 173 pp MacNeil, F S., 19l*7, Geologic Map of the Tertiary and Quaternary Forma­ tions of Georgia: United States Geologic Survey and Qas Inv Prelim Map 72 Schmidt, R A M., 19l*8, Ostracoda from the Upper Cretaceous and Lower Eocene of Maryland, Delaware, and Virginia: Journal of Paleontol­ ogy, vol 22, no U, pp 389-1*31, pis 61-61* Sexton, J V., 1951, The Ostracode Cytherelloidea in North America: Journal of Paleontology, vol 25, no 6, pp 808-816, pis 115-117, TflgT Skinner, H C., 1956, Ostracoda from Basal Arkadelphis Marl Exposures Near Hope, Arkansas: Sixth Annual Meeting of Gulf Coast Association Geological Societies, pp T79-201*, i* pis Smith, R W., 1929, Sedimentary Kaolins of the Coastal Plain of Georgia* Georgia Geological Survey Bulletin 1*1;, 1*82 pp Stephenson, L W., 1911*, Cretaceous Deposits of the Eastern Gulf Region and Species of Exogyra from the Eastern Gulf Region and the Carelinas: United gtaies Geological Survey Professional Paper 81, 77 pp , 1938, Stratigraphy of Upper Cretaceous Series in Mississippi and Alabama: American Association Petroleum Geologists Bulletin, vol 22, no 12, pp l639-it>5/ Swain, F M., 19l*3, Ostracoda from the Hammond Well: Maryland Board of Natural Resources, Cretaceous and Tertiary Subsurface Geology, pp ~pir.-12111* , 1952, Ostracoda from Wells in North Carolina Part Mesozoic Ostracoda: United States Geological Survey, Professional Paper 23U-B, PP 59-93, pi's'.' 8-9; 81* Thompson, R 19l*3, Kaolin Deposits of Twiggs County, Georgias United States Geological Survey Strategic Mineral Map Veatch, J 0., 1909» Second Report of the Clay Deposits of Georgia: Georgia Geological Survey Bulletin 18, 1*5>3 pp* Veatch, J 0., and Stephenson, L W , 1911, Preliminary Report of the Geology of the Coastal Plain of Georgia: Georgia Geological Sur­ vey Bulletin 26, 1*66 pp Warren, W C., and Thompson, R M., 19U3, Bauxite and Kaolin Deposits of Wilkinson County, Georgia: United States Geological Survey Strategic Mineral Map * t Vita Raymond Weathers Stephens, Jr waB born April 20, 1928 in Marietta, Cobb County, Georgia, the son of Raymond Weathers Stephens and Alice Stewart Stephens, He attended various elementary schools in Georgia and graduated from Reidsville High School in Reidsville, Georgia in 1945 Stephens entered the University of Georgia in 1945 and after one year of study joined the United States Navy for two years He re­ turned to the university in 1948 and graduated with a.B S in geology in 1951* While at the University of Georgia, he was treasurer of Sigma Alpha Epsilon fraternity and president of the Geography-Geology Club In 1951, he married Julia Ellen Askew, the daughter of Dr and Mrs J, Thomas Askew of Athens, Georgia They have one son, Raymond Weathers Stephens, III Stephens was called to active duty with tiie United States Air Force in August 1951 and served one year of ttet tour as commander of an Arctic outpost He entered the Graduate School at Louisiana State University in 1953 and received the M S degree in geology in 1956, remaining at L S U to work toward the Ph D degree* While at Louisiana State he was the recipient of the Magnolia Petroleum Company^ fellowship in geology From L S U., Stephens accepted employment as a geol­ ogist with Shell Oil Company in July 1959 85 EXAMINATION A N D THESIS REPORT Candidate: Raymond W Stephens, Jr Major Field: Geology Title of Thesis: Stratigraphy and Ostracoda of the Ripley Formation in Georgia Approved: ajo r Professor and Chairman & / k d Dean of the Graduate School EX A M I N I N G COMMITTEE: C o ih Date of Examination: December 14, 1959 Pine Knot cL iM A C u sseta l R iclhla 'U S ' ja sa K n o x v ille K0 R eyno lds 'o r t Valli M auk , 149 not M a rs h a llv ille ft A Ke ‘9* u «r 'Bui O g e lth o rp e llav ille 20 I !N> (27) hland f53) 2 a a B u tle r y?'•* M auk v Knot u s s e ta lla v ille N Pine Knot (26) 27 m C usseta R ic h la n d : pJpMmpkll Ke 27, 27 (37) O UT C RO PS WEST OF F L I N T RI V E R A F TE R EARG LE, 1955 M a rs h a llv ille KShm O g elth o rp e llaville T ertia ry OUTCROi Providence PRON/ Cusseta Win \7 ■ awBlfe i_ocu ion o f measured section Text number o f sections® " T A H Cusseta Ogelthorpe llaville I i \A N T T e rtia ry OUTCROP :: : K p ::: : MAP OF R I P L E Y AND Providence PROVIDENCE FOR M ATION S R ip le y Kc OF C usse ta WESTERN x— X - L oca tio n o f neasured section - T e x t num ber o f s e c tio n M GEORGIA 10 15 20 I 1 g c a |e R W S te p h e n s EAST-WEST QUITMAN STRATIC COUN TO PEACH C O UN T 14 13 X e r t i A 16 22A 18 23A 24 26 A n Ro v i d e n c e fa P R O V ID E N C E FAI PEACH I _ ; STEWART WEBSTER [ 1-3 TS P R O V ID E N C E FM IB -5 11 -5 TS OS 1 - OS & TS 23A2 13 -1 OS I TS TS - OS 22A2 *13-5 OS TS C alca reou s cl ay j ^ r l l T h i n l y bedded,micaceous sandy cloy M ed iu m Sandy limestone C la ye y ^ Marl Sa ndy m arl Ir on s to ne ledge Clay A S T - WE ST STRATIGRAPHIC SE CT IO N Sa ndy cloy QUITMAN COUNTY, GEORGIA TO PEACH COUNTY, S O stracod TS R oc k th in GEORGIA R W S t e p h e n s PLATE II ... facies of the Ripley crops out along the banks of the Chattahoochee River for most of the distance along the western boundary of Quitman County* One of the best known exposures of the Ripley and. . .Stratigraphy and Ostracoda of the Ripley Formation of Western Georgia A Dissertation Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical... at the base of the Ripley with no trace of the nearshore marl The Roods Creek section exposes both bounding contacts of the Rip­ ley and the boundary between the nearshore and offshore facies The