Late Paleozoic History of Northeastern Nevada

Robert H. Dott Jr.

Tulsa Geological Society

... unconformities or coarse clastics are present in this area. In western Nevada, equivalent rocks are largely "slate", chert greywacke, and volcanics...

A Revised Chronostratigraphy for the Cuu Long Basin, Based on the Interpretation of Climate-Driven Depositional Cycles During the Late Eocene/Oligocene and VIM Depositional Cycles During the Mio-Pliocene

Robert J. Morley, Nguyen Tung, Bui Viet Dung, A.J. Kullman, Robert T. Bird

Southeast Asia Petroleum Exploration Society (SEAPEX)

... by reference to VIM depositional cycles (Morley et al. 2011) which allow the extent of Neogene unconformities to be determined. Figure 1. Cuu Long...

Devonian of the Anakie High Area, Queensland, Australia

E. J. Malone

CSPG Special Publications

... been emplaced) is indicated by the unconformities between the Silver Hills Volcanics and the Dunstable Volcanics in the south and between...

Abstract: Jonah Field Area: Seismic Coherency Cube Technology Used to Define Trap Boundaries and Stratigraphic Features

Victor H. Vega, Greg Partyka, Christopher J. Christensen, Dennis L. Cox, and William B. Hanson

Houston Geological Society Bulletin

... unconformities at Jonah Field. These unconformities range in age from Late Cretaceous (Campanian) to Middle? Paleocene. From oldest to youngest the unconformities...

Cambro-Ordovician Proximal Shelf Deposits of Colorado

Paul M. Myrow, Ray L. Ethington, James F. Miller

Pacific Section SEPM

... and Texas with those of Utah and Nevada (1700 km separation) are partly based on unconformities that are inferred to represent relative sea-level lowstands...

Correlation and Facies Analysis in Exploration for the Subtle Trap Within the Siluro-Devonian of the Anadarko, Arkoma and Permian Basins

James Lee Wilson, Zuhair Al-Shaieb, Richard D. Fritz

West Texas Geological Society

..., ad did several unconformities during periods of erosion and non-deposition. The Frisco Formation, on the other hand, was deposited on submerged...

Study of Surfaces of Unconformity in the Sub-Salt Sediments by Seismic Reflection Surveying

B. I. Bespyatov, O. V. Shatalov

Petroleum Geology: A Digest of Russian Literature

.... Kozhevnikov, I. I. and Solov’yev, B. A., 1970, Study of unconformities in sub-salt complexes of salt-dome areas: Tr. MINKhiGP, no. 90. 5...

Depositional Model for Valley Fills on a Passive Continental Margin

Gail M. Ashley, Robert E. Sheridan

Special Publications of SEPM

... of sea-level change separated by prominent, laterally persistent unconformities. An ideal se- due to sea-level rise across the shelf may range from...

Devonian of the Anakie High Area, Queensland, Australia

E. J. Malone

CSPG Special Publications

... been emplaced) is indicated by the unconformities between the Silver Hills Volcanics and the Dunstable Volcanics in the south and between...

Chapter 1: Introduction

Brian D. Ricketts

CSPG Special Publications

...Chapter 1: Introduction Brian D. Ricketts 1989 3 8 Blackwelder, E. 1909. The valuation of unconformities. Journal of Geology, v. 17, p. 289–299...

Basement Motion and Sediment Loading: A Quantitative Study in Northern Louisiana, Gulf of Mexico

I. Csato , S. Cao , K. Petersen , I. Lerche , N. Sullivan , A. Lowrie

GCAGS Transactions

... major stages bounded by widespread unconformities. The first stage began with rifting prior to the Middle Jurassic and ended at the Middle Cretaceous...

Variations in Bottom Processes Along the U.S. Atlantic Continental Margin: Rifted Margins

Bonnie A. Mcgregor

AAPG Special Volumes

...-Hatteras slope and Blake Plateau have many unconformities with one in late Tertiary truncating an extensive sequence of foreset beds on the north end...

Active Margin: Stratigraphic Interpretation of a Regional Seismic Section Across the Labuan Syncline and Its Flank Structures, Sabah, North Borneo

A. Van Vliet and M. M. Schwander

AAPG Special Volumes

... years. Unconformities, which are evident in the eastern and western parts of the line given in Figure 7, are of local significance only. The erosional...

Results of Deep Drilling in Southwestern Utah: GEOLOGICAL NOTES

Edgar B. Heylmun

AAPG Bulletin

... unconformities at the base of the Permian, Pennsylvanian, and Devonian are indicated, as are significant oil shows. Typical Cambrian sediments were deposited...

Deciphering the Sedimentological Expression of Tectonics, Eustasy, and Climate: A Basinwide Study of the Corallian Formation, Southern England--DISCUSSION

Stephen P. Hesselbo , Angela L. Coe

Journal of Sedimentary Research (SEPM)

...). It appears also that the relationships of unconformities to the lithologic cycles is a matter of some misunderstanding. De Wet dismisses the evidence...

Space, Things, Time, and Events--An Essay on Stratigraphy: REPLY

Horacio J. Harrington

AAPG Bulletin

... that unconformities and discordances are basic concepts of stratigraphic correlation. I thought that this absurd idea had died of natural causes many years...

Salt Piercement Versus Downbuilding on Shallow Gulf Coast Salt Domes: DISCUSSION

Max Bornhauser

AAPG Bulletin

... salt domes by the presence of pronounced, local truncation unconformities on top of these shaly sections. L cal unconformities also have been observed...

ABSTRACT: Origin of the Orogrande basin by strike-slip faulting: evidence from subsidence patterns and facies distribution; #90012 (2003)

T. F. Lawton, K. A. Giles

Search and Discovery.com

... development and distribution of conglomeratic and reefal facies, and presence of multiple local unconformities on the basin's western "Robledo Shelf...

ABSTRACT: Questioning the Global Eustacy Paradigm - Evidence from Thermal History Data, West Africa; #90013 (2003)

RICHARD J. BRAY, STEVE LAWRENCE, PAUL F. GREEN

Search and Discovery.com

... on the application of global eustacy and sequence stratigraphic concepts. Prominent sequence boundaries are observed as unconformities on seismic data from...

Abstract: Stratigraphy of the Early Cretaceous Isachsen Formation, Sverdrup Basin and Postulated Sandstone Occurrence on the Arctic Continental Shelf; #90172 (2014)

Ashton Embry

Search and Discovery.com

... Basin (Ellef Ringnes Island). The major thickness changes are due mainly to truncation and onlap associated with three, major subaerial unconformities...

Abstract: Correlating Borneo Outcrop To Offshore Geology; A Regional Perspective; #90236 (2015)

Peter Lunt and Jaizan Hardi Mohamed Jais

Search and Discovery.com

... stratigraphies during the gradual adoption of modern standards. Assigning ages to formations, and especially the correlation and dating of unconformities...

Lithospheric Flexure and Related Stratigraphic Cycles in the Putumayo Basin, Colombia, #50358 (2010)

John Londono, Juan Lorenzo

Search and Discovery.com

... interpreted and related to regional unconformities Andes foredeep Putumayo basin Amazon River basin PUTUMAYO RETROARC FORELAND BASIN (COLOMBIAN...

Implications of 3-D Domain Transformation for Structural and Stratigraphic Interpretation, #40765 (2011)

Geoffrey A. Dorn

Search and Discovery.com

.../compaction, folds, faults (3D displacement removal), unconformities (including angular), canyons, salt bodies, and carbonate buildups. A transform may...

Development of Structures Related to the Offshore Extent of the Minab Fault, Makran Accretionary Complex, Offshore Iran; #30235 (2012)

C. M. Burberry and C. A-L. Jackson

Search and Discovery.com

..., amplitude 0.2s (T W T)  Normal faults to N of line  Multiple unconformities MAC INTERNAL STRUCTURE – N-S LINE  Steeper Ndipping thrusts, spacing...

Reflector Convergence and Rotation Attributes Facilitate Seismic Stratigraphy Interpretation, by Satinder Chopra and Kurt J. Marfurt, #40876 (2012).

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