Measurement of Dip Angles on Aerial Photographs: GEOLOGICAL NOTES

Louis Desjardins

AAPG Bulletin

... (4) K unknown (5) H known (3) S and s unknown: Substitute qmSm/q for S in foregoing group. Formulas for d: (derivation given at end). EQUATION (1...

The Triangle Method--Semiquantitative Determination of Clay Minerals: RESEARCH-METHOD PAPER

Ulrich Mann , Klaus Fischer

Journal of Sedimentary Research (SEPM)

... of climbing angles (0 to 40 degrees) for opening angles of 10, 40, 50, 60, 70, and 80 degrees. FIG. 4. Triangle with auxiliary lines for the derivation...

The Effect of Grain Size on Detrital Modes: A Test of The Gazzi-Dickinson Point-Counting Method: DISCUSSION

Lee J. Suttner, Abhijit Basu

Journal of Sedimentary Research (SEPM)

... in the mysterious derivation of Lm from Qm through breakage. In the hope that more standardization and rigorous identification will result, we would like to repeat...

Introduction

AAPG Special Volumes

... for later editions are invited. ORGANIZATION: Each annotation has several subheadings. As a rule, these are: Derivation, Definition, History and usage...

U

John G. Dennis

AAPG Special Volumes

...U John G. Dennis 1967 159 161 M 7: International Tectonic Dictionary: English Terminology UNCONFORMITY, UNCOMFORMABLE Derivation: Conformity...

Hydrocarbon Generation and Migration Routes in the East Texas Basin: DISCUSSION

K. F. M. Thompson

AAPG Bulletin

... S:N ratio, close to 20, suggests (Thompson, 1994) derivation of the oil from carbonate source rocks deposited in a hypersaline environment...

Tectonic implications of Sedimentation in Spitsbergen and midland Scotland

P. F. Friend

CSPG Special Publications

...) and sediment derivation (midland Scotland). Sediment derivation work also allows the location of basin edges in parts of both areas. The thickness...

Tectonic implications of Sedimentation in Spitsbergen and midland Scotland

P. F. Friend

CSPG Special Publications

...) and sediment derivation (midland Scotland). Sediment derivation work also allows the location of basin edges in parts of both areas. The thickness...

Abstract: Exact, Linear and Nonlinear AVO in Terms of Poroelastic Parameters; #90187 (2014)

Steven Kim and Kris Innanen

Search and Discovery.com

.... In this paper, we will compare a derivation for poroelastic reflection coefficients due to Russell et al. (2011) with an approach based on a modification...

Chapter 18: Cenozoic Provenance and Depositional Record of the Sub-Andean Foreland Basin during Growth of the Central Andean Fold-Thrust Belt, Southern Bolivia

Amanda Z. Calle, Brian K. Horton, Rodrigo Limachi, Daniel F. Stockli, Geila V. Uzeda-Orellana, Ryan B. Anderson, Sean P. Long

AAPG Special Volumes

... and plagioclase, and minor low-grade metasiltstone fragments. Such modal patterns are consistent with dual derivation from the underlying Mesozoic successions...

Cadomin Conglomerate of Western Alberta -- A Result of Early Cretaceous Uplift of the Main Ranges

Norman H. Schultheis, Eric W. Mountjoy

CSPG Bulletin

.... 607-632. Rapson, J. E., 1965, Petrography and derivation of Jurassic-Cretaceous clastic rocks, southern Rocky Mountains, Canada: Am. Assoc. Petroleum...

Tectonic Model for Late Paleozoic Deformation of the Central Basin Platform, Permian Basin Region, West Texas

Po-Ching Tai, Steven L. Dorobek

West Texas Geological Society

... describe the procedures for the derivation (Figure 9). First, a unit circle is centered on a fault trace with its fault normal (fn) pointing out from...

Extension Versus Strike-Slip Origin of the Southern California Borderland

Robert S. Yeats

Pacific Section of AAPG

... on island conglomerates are insufficient to attribute them to one source in preference to the other, although clast assemblages from Eocene sandstones...

Crystal-Melt±Fluid Phase Equilibria Versus Late-Stage Fluid-Rock Interaction in Granitoid Rocks of the South Mountain Batholith, Nova Scotia: Whole Rock Geochemistry and Oxygen Isotope Evidence

Daniel J. Kontak, David F. Strong, Robert Kerrich

Atlantic Geology

... derivation,fcalculated < ie0 of $ the fluid iSjZ-10 °/oo). In contrast, one of the greisens examined records interaction with i 5 l 0 enriched fluids...

Styles of Dolomitization along a Lower Permian Platform-to-Basin Profile, Midland Basin, Texas

S. J. Mazzullo

West Texas Geological Society

..., laterally continuous stratigraphic expanse of dolomite, is a characteristic attribute of Wolfcampian and Lower Leonardian depositional systems in and around...

Plutonic-Pebble Conglomerates, New World Island, Newfoundland, and History of Eugeosynclines: Chapter 34: Central Orogenic Belt

James Helwig , Ernesto Sarpi

AAPG Special Volumes

... interpretations. However, the nature of the eugeosynclinal basement is a matter for speculation, and it seems necessary to attribute plutonic clasts...

Genesis of Recent Lime Mud in Southern British Honduras

R. K. Matthews

Journal of Sedimentary Research (SEPM)

... be perforate (5 to 20 micron pores) or imperforate. Occasionally they will have a rib attached at right angles to the platey surface, an attribute...

Sedimentary Processes at the Base of a West Antarctic Ice Stream: Constraints from Textural and Compositional Properties of Subglacial Debris

Slawek Tulaczyk , Barclay Kamb , Reed P. Scherer , Hermann F. Engelhardt

Journal of Sedimentary Research (SEPM)

... attribute the lack of disturbed material in the cores to the fact that the ice slides at 3-4 cm/hr (Engelhardt and Kamb in press): during the few hours...

Progressive Rollover Fault-Propagation Folding: A Possible Kinematic Mechanism to Generate Regional-Scale Recumbent Folds in Shallow Foreland Belts

Fabrizio Storti , Francesco Salvini

AAPG Bulletin

... of a progressive rollover fault-propagation fold showing (a) the quantities used in the derivation of equations, (b) the pattern of the axial surfaces...

Influence of Mixtures of Grain-Size Populations on the Parametric and Modal Characteristics of Coastal Sands (Herault, Mediterranean Sea, France)

J. Paul Barusseau

Journal of Sedimentary Research (SEPM)

.... Brown, W.K., and Wohletz, K.H., 1995, Derivation of the Weibull distribution based on physical principles and its connection to the Rosin-Rammler...

Southern Ontario

R. B. Hutt, T. A. MacDougall, D. A. Sharp

CSPG Special Publications

... computer output shown in table 4. A mathematical derivation of the model used appears in Appendix 1. Table 3. Parameters Used to Predict Economically...

Geochemical and Sediment Diversity of Mobile Bay, Alabama

Wayne C. Isphording, Jane Ashley Cordi, Ricky A. Schaeffer

GCAGS Transactions

... delta margin, testifying to its derivation from northern source areas in the watershed where it is largely derived from Paleozoic rocks...

Depositional Settings of the Chalk Hills and Glenns Ferry Formations West of Bruneau, Idaho

Larry T. Middleton, Michael L. Porter, Peter G. Kimmel

Rocky Mountain Section (SEPM)

... attribute the limestone to a rising lake level and associated trapping of sediment by blue-green algae. Correspondingly, they note that increasing water...

Lithofacies and Origin of the San Onofre Breccia, Coastal Southern California

Charles J. Stuart

Pacific Section SEPM

... in sedimentary rocks of this region, indicates derivation from a spatially unique basement rock type -the Catalina Schist. Schist clasts are similar...

Front Matter, Abstracts: Unconventional Reservoirs Technology and Strategies – Alternative Perspectives for the Permian Basin: 2005 WTGS Fall Symposium

Peter Lufholm, Denise Cox

West Texas Geological Society

... of geological and engineering data. In terms of attribute development, the missing research component is calibration. Recognition of faults and thick...