New "Pay" at Rock Crossing, Wilbarger County, Texas: GEOLOGICAL NOTES

Earl M. Stilley

AAPG Bulletin

... to the writer's interpretation of this log, the following major unconformities are probably represented in this well, no consideration being given to movements...

Reservoir Heterogeneity in the Pekisko Formation, Medicine River Field, Alberta, Canada

John C. Hopkins

CSPG Special Publications

... unconformities, has formed subcrop edges for each of the different cycles. In general, traps formed along the subcrop edges are unconformity traps where porosity...

Onlap and Strike-Overlap: DISCUSSION

H. R. Lovely

AAPG Bulletin

... concepts of sedimentation. (a) The regular and progressive pinching-out of sediments above unconformities. (b) The regular truncation of sediments below...

Transregional Sequence-Stratigraphic Correlation of the Maastrichtian Fox Hills Sandstone: Colorado, Wyoming, South Dakota, North Dakota, and Montana

C. B. Rust, J. L. Aschoff

GCAGS Transactions

...-to-marginal marine depositional systems is poorly understood. This study correlates three main unconformities, using biostratigraphic data and geochronologic...

The Batu Gading, Bukit Besungai Hollystone Quarry … Observations on an Tectonically Isolated Carbonate Sequence Northeast of Long Lama, Sarawak

Franz L. Kessler

Geological Society of Malaysia (GSM)

... unconformities, the second one being of angular nature. Several important questions in respect to both facies and stratigraphy remain to be answered. Keywords...

Relative Abundance of Common Sediments in Anadarko Basin of Oklahoma: GEOLOGICAL NOTES

John Bokman

AAPG Bulletin

..., or Canyon), and the Virgilian (Cisco) series. Although unconformities occur at the top of the Meramec and Chester in the Anadarko basin, the first evidence...

Hunton Group (Silurian and Devonian) and Related Strata in Oklahoma: REPLY

J. Philip Shannon, Jr.

AAPG Bulletin

... in question. The basic philosophy underlying my repeated reference to facies relationships instead of unconformities (Boucot's discussion of Cochrane...

Recognition of Forebulge Unconformities Associated with Early Stage Foreland Basin Development: Example from the North Alpine Foreland Basin

S. L. Crampton , P. A. Allen

AAPG Bulletin

...Recognition of Forebulge Unconformities Associated with Early Stage Foreland Basin Development: Example from the North Alpine Foreland Basin S. L...

Meteoric versus burial control on porosity evolution of the Smackover Formation

Ezat Heydari

AAPG Bulletin

..., and P. M. Harris, eds., Unconformities and porosity in carbonate strata: AAPG Memoir 63, p. 239257.Dow, W. G., 1977, Kerogen studies and geological...

Structural geometry and evolution of the Carter-Knox structure, Anadarko Basin, Oklahoma

Molly Turko and Shankar Mitra

AAPG Bulletin

... structural packages. The evolution of the structure was episodic, resulting in two major angular unconformities within the Pennsylvanian. A major...

Abstract of 2006 AAPG/GSTT Hedberg Conference

Search and Discovery.com

Abstract: A New Look at the Tectonostratigraphic Evolution of the Labrador Shelf; #90171 (2013)

K. Dickie, G.L. Williams, and C.E. Keen

Search and Discovery.com

... more precise age control on key seismic markers and clearly identifies the regional unconformities. Another significant advance has been the definition...

ABSTRACT: Late Carboniferous To Middle Permian Copacabana Formation In Bolivia: Cyclic Carbonate-Clastic Successions In A Back-Arc Setting; #90012 (2003)

G. W. GRADER, P. E. ISAACSON, B. MAMET, V. DAVYDOV

Search and Discovery.com

...-equivalent strata in North America. Figures 1 & 2 summarize Late Paleozoic geology and regional unconformities in the central Andes. Figure 1 highlights...

Abstract: A New Look at the Tectonostratigraphic Evolution of the Labrador Shelf; #90171 (2013)

K. Dickie, G.L. Williams, and C.E. Keen

Search and Discovery.com

... more precise age control on key seismic markers and clearly identifies the regional unconformities. Another significant advance has been the definition...

Abstract: Rapidly Changing Styles of Subsidence Inferred from a High-Resolution Allostratigraphic Study of Coniacian Mudstones in Southern Alberta and Northwestern Montana; #90174 (2014)

Meriem D. Grifi, A. Guy Plint, and Ireneusz Walaszczyk

Search and Discovery.com

... allostratigraphic study of the Muskiki Member in southern Alberta reveals subtle yet regional bevelling unconformities that allow the member to be divided...

Abstracts: How Deep is Shallow? Re-evaluation of Depositional Models for the Jurassic Nordegg and Rock Creek Members of the Fernie Group; #90173 (2015)

J. Dennis Meloche

Search and Discovery.com

..., biostratigraphic unconformities and changes in lithologic character have been attributed to changes in relative (eustatic) base level. Cores from the Rock Creek...

Structural Interpretation of the Monagas Foreland Thrust Belt, Eastern Venezuela, by L.S. Cobos, #30031 (2005).

Search and Discovery.com

Seismic Expression of Miocene and Pliocene Proximal Lowstand Composite Sequences, Offshore and Onshore West Nile Delta, Egypt; #10186 (2009)

Gerhard J. Brink, Stiig Brink-Larsen, Bruce Finlayson, Hamsa El-Khawaga, Axel Kellner, and Hesham Maksoud

Search and Discovery.com

... features in proximal depositional settings. East-west strike oriented relict shelf breaks at type 1 unconformities contrast with the generally consistent...

Alternative Views for Common Assumptions: Reassessing the Origin and Significance of Sequence Boundaries Using Field and Flume, #40446 (2009)

John Holbrook and Nikki Strong

Search and Discovery.com

... mapped as sequence-bounding unconformities were not necessarily synchronously exposed, record no common age, and may not consistently separate older from...

Balanced Restoration of Geological Volumes with Relaxed Meshing Constraints; #40465 (2009)

Pauline Durand-Riard, Guillaume Caumon, Lise Salles and Thomas Viard

Search and Discovery.com

... provides a convenient way to handle unconformities in restoration, both for eroded surfaces, and on baselap layer geometries. Copyright © AAPG. Serial...

Sequence Stratigraphic Analysis of Mixed, Reefal Carbonate and Siliciclastic Systems; #30128 (2010)

Ashton Embry

Search and Discovery.com

...-Based Surfaces of Sequence Stratigraphy Unconformities (time barriers) or low diachroneity surfaces (approx. time surfaces) 1) Subaerial Unconformity (SU...

The Predictive Power of Depositional Paradigms When Chasing Deep Water Sand-rich Turbidites; #30363 (2014)

César Cainelli

Search and Discovery.com

... – Turbidites are products of unstable periods in the shelf/upper slope Close association between turbidites and unconformities/correlative...

Outcrop Analogues in the Western Iberian Margin, Northeast Atlantic; #11025 (2017)

Rui Pena dos Reis, Nuno Pimentel

Search and Discovery.com

... the units Advanced field-courses for Industry PETROLEUM SYSTEMS CHART A – REGIONAL UNCONFORMITIES Upper Triassic 1. BASAL UNCONFORMITIES Base...

Structure of Weathered Clastic Crust and Its Significance in Deep, Ultra-Deep Petroleum Exploration; #41988 (2017)

Yang Fan, Hou Lianhua, Yang Chun

Search and Discovery.com

..., Indosinian, Yanshanian and Himalayan movements. It exhibits 13 regional unconformities and several sub-unconformities, which is perfect for researching...

Abstract: Nature of Growth of Louisiana Salt Domes and its Effect on Petroleum Accumulation

Gordon Atwater and McLain J. Foreman

Houston Geological Society Bulletin

..., local unconformities on restricted flank areas, shallow salt spines and deep-seated shoulders on salt masses.  Shale sheath material, enveloping...