2 edition of American Upper Ordovician standard found in the catalog.
American Upper Ordovician standard
Malcolm P. Weiss
1960 in Columbus .
Written in English
Pt. I is in the Journal of paleontology, v. 33, no. 6, 1959, p. 1029-1068 and Pt. III is in the Journal of paleontology, v. 34, no. 2, 1960, p. 237-294
|Other titles||Development of stratigraphic classification of Ordovician rocks in the Cincinnati region|
|Statement||by Malcolm P. Weiss and Carl F. Norman|
|Series||Information circular / State of Ohio, Division of Geological Survey -- no. 26, Information circular (Ohio. Division of Geological Survey) -- no. 26|
|Contributions||Norman, Carl F|
|The Physical Object|
|Number of Pages||14|
The sea-level curve for the Ordovician of the North American Platform assumes a prominent sea-level drop at the base of the Middle Ordovician and a long-term lowstand during all the Dapingian and Darriwilian (80– m lower than in the Lower and Upper Ordovician) (Ross and Ross, , Ross and Ross, , Vail et al., ).Cited by: 5. SWEET, W. C. R. L. ETHINGTON and C. R. BARNES 1 North American Middle and Upper Ordovician conodont faunas. Geological Society of America Memoir TAYLOR. Description Large Trilobite Fossil Isotelus brachycephalus Upper Ordovician Dillsboro Formation Oldenburg, Indiana, USA Trilobites are an extinct variety of ancient marine arthropods which flourished during the Paleozoic Era before dying out in the mass extinction at the end of the Permian some million years ago.
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THE AMERICAN UPPER ORDOVICIAN STANDARD: XIII, A REVISED TIME-STRATIGRAPHIC CLASSIFICATION OF NORTH AMERICAN UPPER MIDDLE AND UPPER ORDOVICIAN ROCKS [W.C. & Bergstrom, S.M. Sweet] on *FREE* shipping on qualifying : Sweet, W.C. & Bergstrom, S.M. The American upper Ordovician standard; XV, Clay mineralogy of insoluble residues from Cincinnatian limestones, Hamilton County, OhioCited by: 2.
A 1,foot core (designated CA) drilled by Cominco American, Inc., just east of Minerva, Mason County, Kentucky, provides an essentially complete section from near the top of the Fairview Formation (Upper Ordovician, Maysvillian) to the base of the Middle Ordovician High Bridge Group.
THE AMERICAN UPPER ORDOVICIAN STANDARD. XII. TIME-TREND ANALYSIS OF CINCINNATIAN CALCARENITES, HAMILTON COUNTY, OHIO1,2 ROBERT H. OSBORNE University of Southern California, Los Angeles, California ABSTRACT Twelve petrographic variables observed in duplicate thin sections for each of 44 calcarenites collected.
The American Upper Ordovician Standard: XIII A Revised Time-Stratigraphic Classification of North American Upper Middle and Upper Ordovician Rocks. ADS Classic is now deprecated. It will be completely retired in October Please redirect your searches to the new ADS modern form or the classic info can be found on our blog.
THE AMERICAN UPPER ORDOVICIAN STANDARD. XIX. A MIDDLE AND UPPER ORDOVICIAN REFERENCE STANDARD FOR THE EASTERN CINCINNATI REGION1 WALTER C. SWEET, HOWARD HARPER, JR.,2 AND DENNIS ZLATKIN3 Department of Geology and Mineralogy, The Ohio State University, Columbus, Ohio ABSTRACT A.
THE AMERICAN UPPER ORDOVICIAN STANDARD. THE COVINGTON SEQUENCE AT MAYSVILLE, KENTUCKY JAMES W. CARPENTER AND THOMAS R. ORY Department of Geology, The Ohio State University, Columbus, 10 INTRODUCTION Within the past decade, U.
Highway has been re-routed south of Maysville, Kentucky, and some ft of Upper Ordovician strata. Abstract. Author Institution: Department of Geology and Mineralogy, The Ohio State UniversityA 1,foot core (designated CA) drilled by Cominco American, Inc., just east of Minerva, Mason County, Kentucky, provides an essentially complete section from near the top of the Fairview Formation (Upper Ordovician, Maysvillian) to the base of the Middle Ordovician.
The American Upper Ordovician standard By Malcolm P. (Malcolm Pickett) Weiss and Carl E. Norman Get PDF (7 MB). The American Upper Ordovician standard--[Part] 4, Classification of the limestones of the type Cincinnatian [Ohio-Indiana-Kentucky] Malcolm Pickett Weiss Search for Cited by: 2.
The Trenton Group (Upper Ordovician Series) of Eastern North America: Deposition, Diagenesis, and Petroleum.
The American Upper Ordovician standard: VII. Stratigraphy and petrology of the Cynthiana and Eden formations of the Ohio Valley.
Distribution of Middle and Upper Ordovician conodonts in North America is marked by provincialism at many levels. Thus, although zonal sequences can be established in several regions, none is completely continental in scope.
The American Upper Ordovician Standard. XVI, Utility of Clastic-Ratio Values to Distinguish Kope and Fairview Formations, Hamilton County, Ohio Author: Osborne, Robert H. Keywords: Department of Geological Sciences, University of Southern California, Los Angeles, California Created Date: 12/3/ PM.
The base of the Ordovician System in Ohio is nowhere exposed in the state and was long interpreted to be at the Knox unconformity, the boundary between the Knox Dolomite and the overlying Wells Creek Formation. The upper part of the Knox Dolomite is now thought to be Early Ordovician in Size: KB.
The Ordovician is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans million years from the end of the Cambrian Period million years ago to the start of the Silurian Period Mya. The Ordovician, named after the Welsh tribe of the Ordovices, was defined by Charles Lapworth in to resolve a dispute between.
SWEET, W. and BERGSTROM, S. The American Upper Ordovician standard XIII: A revised time-stratigraphic classification of North American Upper Middle and Upper Ordovician rocks.
Bull Author: Rolf Ludvigsen. The American Upper Ordovician Standard—IV, Classification of the limestones of the type Cincinnatian: Journal of Sedimentary Petrology, v. 30, p. –, 13 figs., 2 tables, Free. (See abstract for more information.). American Upper Ordovician standard.
Development of stratigraphic classification of Ordovician rocks in the Cincinnati region. Columbus: State of Ohio, Division of Geological Survey, (OCoLC) Material Type: Government publication, State or province government publication: Document Type: Book: All Authors / Contributors.
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Journal of materials engineering. The American Upper Ordovician standard; X, Upper Maysville and Richmond conodonts from the Cincinnati Region of Ohio, Indiana and Kentucky.
Journal of Paleontology Google Scholar. Legall RD, Barnes CR, Macqueen by: Sweet WC, Bergström SM. The American Upper Ordovician Standard: XIII. A revised time-stratigraphic classification of North American Upper Middle and Upper Ordovician rocks.
Geological Society of America Bulletin Crossref, Google by: 1. The Wilberns formation includes five named members between the Riley formation and rocks of the Lower Ordovician Ellenburger group.
It normally averages about feet thick and ranges from to feet thick, but in the southeastern corner of the Llano uplift truncation of the upper beds has reduced it to by: In Ordovician time, the shallow sea that covered much of what is now the North American continent teemed with marine life.
The Cincinnati area has yielded some of the world's most abundant and best-preserved fossils of invertebrate animals such as trilobites, bryozoans, brachiopods, molluscs, echinoderms, and by: Articles on Pennsylvanian Brachiopoda, Texas Cretaceous, American Ordovician Standard, Biostratigraphy and the New Paleontology, and much more,Journal of Paleontology, 34 (2):multiple figures and plates.
et al. Hoare] on *FREE* shipping on qualifying offers. Journal of Paleontology 34 (2):multiple figures and plates. The North American Upper Ordovician reference standard, the Cincinnatian Series, contains rich shelly microfossil faunas in its type area in the Cincinnati Region but graptolites are uncommon in.
Late Ordovician graptolites from the North American Midcontinent Article (PDF Available) in Palaeontology 40(4) November with 55 Reads How we measure 'reads'.
Several Late Ordovician prominent positive δ 13 C excursions have been recognized and named from both North America and Baltoscandia (Saltzman et. The passage from Cambrian to Ordovician was gradual, without any marked physical break. Only where the Upper Cambrian is sandy, as in New York, is there a decided change in the character of sedimentation.
In the latter part of the Cambrian a great inland sea had been established over what is now the Mississippi valley and, with frequent fluctuations in depth and. The Upper Ordovician (mid-Katian) Kope Formation provides an example of how a detailed study of fine-grained siliciclastic sediment can provide sedimentological insights.
The Kope Formation is an e Cited by: 1. 3 CONTENTS Page CHAIRMAN´S MESSAGE 4 ANNUAL REPORT OF ORDOVICIAN SUBCOMMISSION FOR 5 ANNOUNCEMENT: A Global Synthesis of the Ordovician System 11 REPORTS OF RECENT CONFERENCES IGCP Project Morocco Workshop & Field Excursion, February 13 IGCP Project Annual Meeting, Ohio University, June.
Systematics and paleobiogeographic significance of the Upper Ordovician pterygometopine trilobite Achatella Delo, Article in Journal of Paleontology 90(01). The North American Upper Ordovician reference standard, the Cincinnatian Series, contains rich shelly microfossil faunas in its type area in the Cincinnati Region but graptolites are uncommon in most of its shallow‐water calcareous sediments.
Consequently, the graptolite correlation of this key sequence has remained uncertain, in part, even controversial.
A review. The Middle to Upper Ordovician Qasim Formation is well exposed in the Qasim region of central Saudi Arabia and is recognized from many wells to the north and east.
It consists of the Hanadir, Kahfah, Ra’an, and Quwarah members that are arranged in two coarsening-upward progradational sequences that have a total thickness of about m in Cited by: Ordovician conodonts from the Thong Pha Phum area, western Thailand.
L.C. WilkieThe American Upper Ordovician standard. Eden conodonts from the Cincinnati region of Ohio and Kentucky. Journal of Paleontology, 33 (), Cited by: 2.
Geologic background. Recent work by the International Subcommission on Ordovician Stratigraphy (ISOS) has led to the division of the Upper Ordovician Series into three globally classified stages, in ascending order, Sandbian, Katian, and Hirnantian (Bergström et al., ).Katian epeiric sea deposits of North America record regional extinctions of marine Cited by: Holland, S.M.
and Patzkowsky, M.E. Sequence stratigraphy and long-term paleoceanographic change in the Middle and Upper Ordovician of the eastern United States. In Paleozoic Sequence Stratigraphy: Views from the North American Craton.
Edited by B.J. Witzke, A. Ludvigson, and J. Day. Geological Society of America Special Paperpp. Author: George R. Dix, Elliott T. Burden. Upper Ordovician formations of Kentucky have yielded a rich and varied silicified fauna.
Most of the echino derm material has come from the Curdsville Limestone Member of the lowermost part of the Lexington Lime stone, although some is from stratigraphically higher Middle and Upper Ordovician formations. EchinodermCited by: 6. Addeddate Allowjpgs true Call number CIHM City Ottawa External-identifier urn:oclc:record Foldoutcount 0 IdentifierPages:.
The Ordovician is the second period of the Paleozoic lasted from about million years ago (mya) to mya. It follows the Cambrian period and is followed by the Silurian period. The Ordovician was named after the Welsh tribe of the was defined by Charles Lapworth in Ordovician Period - Ordovician Period - Invertebrates: Invertebrate life became increasingly diverse and complex through the Ordovician.
Both calcareous and siliceous sponges are known; among other types, the stromatoporoids first appeared in the Ordovician.
Tabulata (platform) and rugosa corals (horn corals) also first appeared in the Ordovician, the solitary or horn corals. The biostratigraphy of the Nicolet River Formation in Québec and intra-North American correlations in Middle and Upper Ordovician strata.
Canadian Journal of Earth Sciences, – Whittington, H. B. Cited by: 6.