Deep-Water Incised Valley Deposits at the Ediacaran-Cambrian Boundary in Southern Namibia Contain Abundant Treptichnus Pedum

Jonathan P. Wilson, John P. Grotzinger, Woodward W. Fischer, Kevin P. Hand, Sören Jensen, Andrew H. Knoll, John Abelson, Joannah M. Metz, Nicola McLoughlin, Phoebe A. Cohen, Michael M. Tice

PALAIOS

...; the younger of these deposits contains unusually well-preserved populations of the basal Cambrian trace fossil Treptichnus pedum. Facies analysis shows...

Structural Controls on the Formation of Bottom-simulating Reflectors Offshore Southwestern Taiwan from a Dense Seismic Reflection Survey

Philippe Schnurle, Char-Shine Liu

AAPG Special Volumes

.... 244, p. 248262.Taner, M. T., F. Koehler, and R. E. Sheriff, 1979, Complex trace analysis: Geophysics, v. 44, no. 6, p. 10411063.Taylor, M. H., W. P...

Using Volumetric Calculators for Better Accuracy; #41757 (2016)

Lennon Infante Paez, Kurt J. Marfurt

Search and Discovery.com

...” and “imaginary” components of a complex trace), using the envelope, as shown in Figure 1a. Be careful to compute the angle using “ATAN2” (the same one...

Fluvial Sandstone Deposition in an Underfilled Lake Basin: Wilkins Peak Member of the Eocene Green River Formation, Wyoming, by Alan R. Carroll, Jeffrey T. Pietras, Brooke A. Swanson, M. Elliot Smith, and Cynthia A. Stiles; #90034 (2004)

Search and Discovery.com

Depositional Facies of Mississippian Clastics, Antler Foreland Basin, Central Diamond Mountains, Nevada

Dwight W. Harbaugh , William R. Dickinson

Journal of Sedimentary Research (SEPM)

... on the frontal slope and the partly emergent platform of a growing deltaic complex. Trace fossils of Helminthoida sp. and related forms of the Nereites...

Bivalves on the move: the interplay of extrinsic and intrinsic factors on the morphology of the trace fossil Protovirgularia

María I. López Cabrera, M. Gabriela Mángano, Luis A. Buatois, Eduardo B. Olivero, Christopher G. Maples

PALAIOS

... in bivalve trace fossils. In addition, we document and discuss unusual and well-preserved compound trace fossils that combine a gradient of complex...

Sequence-Stratigraphic, Petrophysical, and Multicomponent Seismic Analysis of a Shelf-Margin Reservoir: San Andres Formation (Permian), Vacuum Field, New Mexico, United States

Matthew J. Pranter, Neil F. Hurley, Thomas L. Davis

AAPG Special Volumes

..., 75 p.Taner, M. T., F. Koehler, and R. E. Sheriff, 1979, Complex seismic trace analysis: Geophysics, v. 44, p. 10411063.Trask, P. D., 1932, Origin...

Paleoecological implications of large-sized wild boar tracks recorded during the Last Interglacial (MIS 5) at Huelva (SW Spain)

Carlos Neto De Carvalho, Fernando Muñiz, Zain Belaústegui, João Belo, Paula Gómez, Antonio Toscano, Mário Cachão, Pedro P. Cunha, Francisco Ruiz, Luis Miguel Cáceres, Joaquín Rodriguez-Vidal, Geraldine Finlayson, Stewart Finlayson, Francisco Giles Guzman, Clive Finlayson

PALAIOS

..., UCHMAN, A., GREGORY, M.R., AND MARTIN, A.J., 2003, Hillichnus lobosensis igen. et isp. nov., a complex trace fossil produced by tellinacean bivalves...

Overview of Lower Cambrian Mixed Carbonate-siliciclastic Deposition along the Western Laurentian Passive Margin

Michael C. Pope, John Stewart Hollingsworth, Kelly Dilliard

AAPG Special Volumes

... complex trace fossils. Scale bar in centimeters. (B) Cross sectional view of dark-gray fenestral mudstone. The fenestrae are light gray, small...

Late Ordovician-Early Silurian Trace Fossils From The Matapedia Group, Tobique River, Western New Brunswick, Canada

R. K. Pickerill, L. R. Fyffe, W. H. Forbes

Atlantic Geology

... is an extremely complex trace fossil consisting of a basal burrow, typically lenticular in cross-section and varying in width from 1.5-6 mm, from...

Contact Metamorphism and Over Maturation of Organic Matter Associated with an Igneous Intrusion in the Smackover Formation, Northeastern Louisiana

Ezat Heydari , Gary R. Byerly , Darrell J. Henry

GCAGS Transactions

... parallel to the bedding plane exhibits complex trace element zoning, as indicated by cathodoluminescence (Christensen, 1997). Within one meter of the dike...

Autotracking Horizons in Seismic Records, by Satinder Chopra and Kurt J. Marfurt; #41489 (2014).

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Hybrid Nature of a New Jurassic…Cretaceous Worm Burrow Indicated by Microbial Mediation of its Wall Formation

Bogusław Kołodziej, Iuliana Lazar, Ioan I. Bucur, Mariana Coman, Alred Uchman

PALAIOS

.... KNAUST, D., 2008, Balanoglossites Mägderfrau, 1932 from the Middle Triassic of Germany: part of a complex trace fossil probably produced...

Deep-sea trace fossils in the West Crocker Formation, Sabah (Malaysia), and their palaeoenvironmental significance

Mazlan Madon

Geological Society of Malaysia (GSM)

... will stimulate further interest in the study of trace fossils as an important tool for palaeoenvironmental analysis, not just in the West Crocker Formation...

AAPG/SEG International Conference and Exhibition; - Abstracts, #9010 (2017).

Search and Discovery.com

Neoichnology of Amphibious Arthropods: Effects of Subaqueous and Subaerial Substrate Conditions on Trace Morphology

L. K. Devine, N. J. Minter

PALAIOS

... on trace morphology; and (3) conduct a comparative analysis of modern and fossil traces. METHODS Experimental Arthropods Four extant species of marine...

Neoichnological experiments with masked chafer beetles (Coleoptera: Scarabaeidae): Implications for backfilled continental trace fossils

John W. Counts, Stephen T. Hasiotis

PALAIOS

... PALAIOS MODERN SCARAB BEETLE TRACES 79 FIGURE 5—Adult beetle traces produced in Experiment 2. A) Burrow complex showing adult beetle trace (dashed...

Fundamentals of sequence stratigraphy

Wolfgang Schlager

Special Publications of SEPM

... reflections appears in the transition zone. Complex-trace attributes such as instantaneous phase and reflection strength offer additional possibilities...

Sedimentological and Ichnological Characterization of the Middle To Upper Devonian Horn River Group, British Columbia, Canada: Insights Into Mudstone Depositional Conditions and Processes Below Storm Wave Base

Korhan Ayranci, Nicholas B. Harris, Tian Dong

Journal of Sedimentary Research (SEPM)

... mudstone (LF5). A, B) Representative core photographs of LF5 showing robust and complex trace fossils. The fabric of the LF5 represents dominant bio...

Ichnological Variations in Brackish-Water Central Basin Complexes of Wave-Dominated Estuarine Incised-Valley Fills, Lower Cretaceous Viking Formation, Central Alberta

Julia E.A. Davison, James A. Maceachern

Special Publications of SEPM

... Characteristics of the Central Basin Complex Trace fossils in the central basin deposits are not endemic to brackishwater environments (cf. Barnes, 1989), but form...

Actualistic Studies of the Spatial and Temporal Distribution of Terrestrial and Aquatic Organism Traces in Continental Environments to Differentiate Lacustrine from Fluvial, Eolian, and Marine Deposits in the Geologic Record

Stephen T. Hasiotis, Brian F. Platt, Mark Reilly, Kathryn Amos, Simon Lang, David Kennedy, Jonathan A. Todd, Ellinor Michel

AAPG Special Volumes

... trace fossils: Tulsa, Oklahoma, SEPM Short Course Notes 51, p. 1130.Hasiotis, S. T., 2003, Complex ichnofossils of solitary to social soil organisms...

Anatomy and provenance of a typical transgressive sandstone: the Lower Cretaceous Martin House Formation, Northern Canada

Julia E. A. Davison, Benjamin G. Daniels, Stephen M. Hubbard, Larry M. Heaman, Thomas Hadlari

Bulletin of Canadian Energy Geoscience (CEGA)

... and oscillatory currents. The robust and complex trace fossils indicate that F7 was deposited in an environment with minimal physico-chemical stress, perhaps...

Structural Geology: Tectonic History, Macrostructures, Regional Fault Map, Fault Systems, Second-Order Structures, and Impact of the Inheritance

Denis Marchal, Rene Manceda, Ricardo Fabián Domínguez, Federico Sattler

AAPG Special Volumes

... (> 10 km [>6 mi]) north-south traces. This contrasts with the interpretation in a more complex trace assemblage of the same type of faults in the 3-D...

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... are based on the Kirchhoff integral). For a first analysis we use a synthetic velocity model of parallel layers, for a more complex analysis, the used...

Dinosaur Tracksites of Western Colorado and Eastern Utah

Martin G. Lockley, Chet Jennings

Grand Junction Geological Society

... a complex of trace fossils composed of two circular mound-like structures (diameter = 10 cm), surrounded by an irregular broad trail (width 6 cm...