Geology of the Greenwood Quadrangle Arkansas-Oklahoma
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Geology of the Greenwood Quadrangle Arkansas-Oklahoma GEOLOGICAL SURVEY PROFESSIONAL PAPER 536-A Prepared in cooperation with the Arkansas Geological Commission Geology of the Green-wood Quadrangle Arkansas-Oklahoma By BOYD R. HALEY and THOMAS A. HENDRICKS GEOLOGY OF THE ARKANSAS VALLEY COAL FIELD GEOLOGICAL SURVEY PROFESSIONAL PAPER 536-A Prepared in cooperation with the Arkansas Geological Commission UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1968 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL SURVEY William T. Pecora, Director For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402 CONTENTS Page Page Abstract__________________________________________ _ A1 Stratigraphy-Continued Introduction ______________________________________ _ 1 Devonian and Mississippian Systems, Chattanooga Shale_______________________________________ _ StratigraphY--------------------------------------- 2 A6 Cambrian System_________________ -----________ _ 2 Mississippian System _____________________ -- __ --_ 6 Ordovician System_ ____________________________ _ 3 Post-Chattanooga pre-Pitkin formations ______ _ 6 Van Buren Formation and Gasconade Dolomite Pitkin Limestone _________________ -------- __ 7 undifferentiated _________________________ _ 3 Pennsylvanian System__________________________ _ 7 Roubidoux Formation______________________ _ 3 Morrow Series _____________________________ _ 7 Jefferson City Dolomite ____________________ _ 3 Atoka Series, Atoka Formation ______________ _ 7 Cotter Dolomite___________________________ _ 3 Des Moines Series, Krebs Group ____________ _ 7 Powell Dolomite____________ --------_______ _ 3 Quaternary System ___ -------- __ ---------------- 9 Terrace deposits- _____________________ -- ___ - Everton Formation ________________________ _ 3 9 9 St. Peter Sandstone __________________ ------_ 3 StructureAlluvium---------------------------------- _________________________________________ _ 9 Joachim Dolomite _________________________ _ 3 Economic geology ____________________ ---_-___ ------- 10 Plattin Limestone ___________ ---------______ _ 6 Fernvale Limestone ________________________ _ Coal------------------------------------------ 10 6 Oil and gas _______________ - _________ - ___ ------- 12 Cason Shale_______________________________ _ 6 Building stone_______ --- __ -----_---------------- 12 Silurian and Devonian Systems, St. Clair Limestone Road metal ________ --___________________ --____ _ 15 and undifferentiated rocks _____ ------_________ _ 6 Gravel, sand, and claY--------------------------- 15 Devonian System, Penters Chert _________________ _ 6 References cited ________ - __ - ___ ---_- __ -------------- 15 ILLUSTRATIONS [Plates are in pocket] PLATE 1. Geologic map of Greenwood quadrangle. 2. Stratigraphic sections in Greenwood quadrangle. 3. Structure-contour, coal-bed, and gas-field-map of Greenwood quadrangle. 4. Structural sections in Greenwood quadrangle. Page FIGURE 1. Index map of Arkansas------------------------------------------------------------------------------- A2 2. Diagram showing thickness of Atoka Formation in the Greenwood~quadrangle and vicinity___________________ 8 TABLES Page TABLE 1. Stratigraphic nomenclature in or near the Greenwood quadrangle_____________________ --_------------------ A4 2. Selected coal thickness measurements in the Greenwood quadrangle ______________ -_-_---------------------- 10 3. Estimated remaining reserves of coal in the Lower Hartshorne coal bed in the Arkansas part of the Greenwood quadrangle-------------------------------------------------------------------------------------- 11 4. Estimated original, remaining, and recoverable reserves of coal in the Arkansas part of the Greenwood quadrangle_ 11 5. Estimated original reserves of coal in the Upper Hartshorne coal bed in the Arkansas part of the Greenwood quadrangle-------------------------------------------------------------------------------------- 12 6. Description of selected wells drilled in or near the Greenwood quadrangle as of January 1, 1964________________ 13 III GEOLOGY OF THE ARKANSAS VALLEY COAL FIELD GEOLOGY OF THE GREENWOOD QUADRANGLE, ARKANSAS-OKLAHOMA By BoYD R. HALEY and THOMAS A. HENDRICKS ABSTRACT clay; and ( 6) provide data on the nature and relations The Greenwood quadrangle is in west-central Arkansas and of the rock formations exposed at the surface and pres east-central Oklahoma, between lats 35°00' and 35°15' N. and ent in the subsurface. longs 94°15' and 94°30' W. It comprises an area of about 184 This report is also published, under separate cover, as square miles in Sebastian County, Ark., and about 60 square Arkansas Geological Commission Information Circular miles in Le-Flore County, Okla. 20-F. Sedimentary rocks of Middle Pennsylvanian age and uncon solidated sediments of Quaternary age are exposed at the sur The Greenwood quadrangle is between lats 35°00' face, and sedimentary rocks of Late Cambrain to Middle and 35°15' N. and longs 94°15' and 94°30' W. It covers Pennsylvanian age have been penetrated by wells drilled in or an area of approximately 184 square miles in Sebastian near the quadrangle. County, Ark., and about 60 square miles in Le Flore The rocks in the quadrangle have been folded into eastward County, Okla. (Seefig.l.) trending synclines and anticlines ~and broken by normal and reverse faults. Displacement along one of the normal faults Generalized geologic reports pertaining in part to the is proba'bly 1,100 feet, 1and displacement along the reverse Greenwood quadrangle were made by Croneis (1930) faults is estimated to aggregate more than 12,800 feet. Struc and Haley ( 1960) for the Arkansas part, and by Drake tural relief as measured on the base of the Hartshorne Sand stone is more than 10,800 feet. ( 1897), Taff and Adams ( 1900), Taff ( 1905), Snider The Atoka, McAlester, and Savanna Formations contain coal (1914), and Smith (1914) for the Oklahoma part. beds. The Lower Hartshorne coal bed near the base of the Detailed geologic reports pertaining in part to the McAlester Formation is the thickest, the most widespread, and Greenwood quadrangle were made by Collier (1907) the most important economically. The Upper Hartshorne coal bed, the only other economically important co,al bed, is present and Hendricks and Parks (1937, 1950) for the Arkansas only in the southern part of the quadrangle. part, and by Hendricks ( 1939) and Knechtel ( 1949) for Commercial quantities of natural gas have been produced the Oklahoma part. from the lower part of the McAlester Formation, the Hartshorne The stratigraphic nomenclature and boundaries es Sandstone, the Atoka Formation, the Morrow Series, the Penters Chert, and the St. Clair Limestone. tablished by Hendricks and Parks ( 1950) for the Building stone has been obtained from the Atoka, Hartshorne, Pennsylvanian rocks in the Fort Smith district, Arkan and McAlester Formations. Road metal has been obtained from sas, are used in this report with modifications. Mere these formations, the Savanna Formation, and the gravelly part wether and Haley (1961) adopted Miser's (19·54) of alluvial deposits. terminology of McAlester, Savanna, and Boggy Forma INTRODUCTION tions, and Oakes' ( 1953) classification of the Kr~bs This report on the geology of the Greenwood quad Group, which includes the Hartshorne Sandstone and rangle is one of a series of reports being prepared by the the McAlester, Savanna, and Boggy Formations. Haley U.S. Geological Survey in cooperation with the Arkan (1961) moved the contact between the Savanna Forma sas Geological Commission. Its purpose is to ( 1) pro tion and the overlying Boggy Formation stratigraph vide a geologic map of the quadrangle on a modern ically upward from that selected by most earlier topographic base; (2) show the extent and thickness of workers, thereby conforming to Miser's (1954) interpre all coal beds; ( 3) present estimates of coal reserve; ( 4) tation. The pre-Pennsylvanian nomenclature used in provide geologic data and interpretations pertinent to this report conforms to that used in Arkansas. Table 1 the location of natural gas and petroleum; ( 5) provide compares the nomenclature used in the area of this information about building stone, gravel, sand, and report with that used in nearby areas. A1 A2 GEOLOGY OF THE ARKANSAiS VALLEY COAL FIELD gzo----- --r='\___ _9lo FULTON I \ ....--' .. ---~ ~~ IZARD ! SHARP i I -------1I I I l -----r _ __L_~ I l \ CRITTEND£~ ___ __,__1 I' .... ) ---, ------j t ~~ i PRAIRIE 1 l LEE r··.)~\~ .._ _j MONROE., ----{'-"'-:\ ~~s ,-~, ) ~ -q_'L+J ""l. I ~ I 1'"\_ PHILLIPS ) I ... c-., 0 I ARKANSAS /''::1~..., ~ EXPLANATION ('-' ._,-'l. (-::;:.:] ....~ 00 '),' "ii Area of this report I ..., DALLAS \ I ~ ,L__ T--; iiEMPSTEAD I Area of other reports ~ I I OUACHITA ../ t---- in• this series r<~\ I I Ss CALHOUN \ Boundary of physiographic r--~ - , ~--- ) BRADLEY province 1 TEXAS ~ ~ 7 --r--t_ -----..... I MILLER .. f-< I ~ .r~---~ s Boundary of physiographic : l ~ I COLUMBIA ASHLEY sectionl · I ~~ j UNION '2) 330.1 _]____ L ____ _ 1 Physiographic divisions from Fennemanand Johnson (1946) LOUISIANA 0 25 50 MILES FmuRE 1.-Location of report area ( F, a) andareas of other published chapters of Arkansas Geological Commission Information Circular 20 or of U.S. Geological Survey Professional Paper 536: A, Delaware quadrangle (Merewe·ther and Haley, 1961); B, Paris quadrangle (Haley, 1961); 0, Barber quadrangle (Haley, 1966); E, Knoxville quadrangle (Mere