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The AAPG/Datapages Combined Publications Database
Showing 23,040 Results. Searched 195,364 documents.
Seismic Data Obtained Using .50-Caliber Machine Gun as High-Resolution Seismic Source
Michael D. Seeber , Don Steeples
AAPG Bulletin
... of the .50-caliber source is from 30 to 170 Hz, with a dominant frequency of about 100 Hz. The high frequencies are retained deep into the section. Two shots per...
1986
Patterns of Shallow-Marine Deposition, Upper Cretaceous of Northern Colorado: ABSTRACT
L. W. Kiteley, M. E. Field
AAPG Bulletin
...Patterns of Shallow-Marine Deposition, Upper Cretaceous of Northern Colorado: ABSTRACT L. W. Kiteley, M. E. Field 1980 733 733 64 5. (May...
1980
Particulate Organic Matter of Jurassic-Cretaceous "Black Shales" in Deep North Atlantic Ocean: ABSTRACT
Theodora C. Masran
AAPG Bulletin
... matter; (3) marine-derived material is dominant in Cenomanian sediments of all areas; (4) highly degraded gray amorphous matter, indicating low...
1982
Poisson Processes of Carbonate Accumulation on Paleozoic and Holocene Platforms
Bruce H. Wilkinson , Carl N. Drummond , Nathaniel W. Diedrich , Edward D. Rothman
Journal of Sedimentary Research (SEPM)
... hiatuses: Geological Society of America, Bulletin, v. 106, p. 791-802. FIG. 12. Abundance frequencies for lithologic elements exposed...
1999
Migration--A View from the Top
Martin D. Matthews
AAPG Special Volumes
... in special situations. The dominant migration mechanism is as a free phase, rising under the forces of buoyancy within carrier and reservoir rocks...
1996
Abstract: Interferometric Assessment of Clamping Quality of Borehole Geophones; #90224 (2015)
Yoones Vaezi and Mirko van der Baan
Search and Discovery.com
... functions between a reference receiver and other receivers in an array are indicative of the quality of clamping. The dominant contribution of tube waves...
2015
Accelerometer vs. Geophone Response: A Field Case History
Search and Discovery.com
... the dominant frequency, and at frequencies above 100 Hz. At station 5184, this pattern was not evident. Close examination of station 5183 found...
2013
Faunal Succession of Norian (Late Triassic) Level-Bottom Benthos in the Lombardian Basin: Implications for the Timing, Rate, and Nature of the Early Mesozoic Marine Revolution
Lydia S. Tackett, David J. Bottjer
PALAIOS
... samples from Norian shallow marine sequences reveals that the changes in dominant taxa occurred in a gradual manner, and this is also reflected...
2012
Mineralogy, Genesis, and Sources of Surficial Sediments in the Kuwait Marine Environment, Northern Arabian Gulf
D. Al-Bakri, F. Khalaf, A. Al-Ghadban
Journal of Sedimentary Research (SEPM)
...Mineralogy, Genesis, and Sources of Surficial Sediments in the Kuwait Marine Environment, Northern Arabian Gulf D. Al-Bakri, F. Khalaf, A. Al-Ghadban...
1984
Seismic Frequency Bandwidth Constraints in Deepwater Locations
Andrew Long, Iain Buchan
Indonesian Petroleum Association
... and cross-line directions (i.e., the use of high-density 3D acquisition) is critical to avoid the loss of recorded high frequencies during processing...
2004
Testing Periodicity of Depositional Cyclicity, Cisco Group (Virgilian and Wolfcampian), Texas
Wan Yang , Michelle A. Kominz
Journal of Sedimentary Research (SEPM)
... of marine and nonmarine carbonate and siliciclastic rocks deposited on the Eastern Shelf, north-central Texas, in Late Pennsylvanian and Early Permian...
1999
Evaluation Of Calleguas Creek As A Source Of Sand At ODP Site 1015 On The Hueneme-Mugu Submarine Fan, Santa Monica Basin
Search and Discovery.com
N/A
Temporal Variability of Suspended Particulate Concentrations in the New York Bight
Robert A. Young, Thomas L. Clarke, Robert Mann, Donald J. P. Swift
Journal of Sedimentary Research (SEPM)
... is present at tidal periods, but tidal currents do not appear to play a dominant role. Processes at lower frequencies dominate all records, and in the two...
1981
The Role of Drilling Predation in Isolated, Nutrient-Poor Ecosystems: First Insights from RAPA Nui, Polynesia
Julieta C. Martinelli, Sandra Gordillo, M. Carla De Aranzamendi, Marcelo M. Rivadeneira
PALAIOS
...), a time when new predators and prey were evolving in marine communities (Vermeij 1977). The drilling frequencies from our findings are more like...
2023
A record of dust deposition in northern, mid-latitude Pangaea during peak icehouse conditions of the late Paleozoic ice age
Andrew J. Oordt, Gerilyn S. Soreghan, Lars Stemmerik, Linda A. Hinnov
Journal of Sedimentary Research (SEPM)
.... 13– 19. Hüneke, H., Joachimski, M., Buggisch, W., and Lützner, H., 2001, Marine carbonate facies in response to climate and nutrient level: the Upper...
2020
Recognition of cyclicity in the petrophysical properties of a Maastrichtian pelagic chalk oil field reservoir from the Danish North Sea
Morten Stage
AAPG Bulletin
... consistent cycles at approximately 2 m wavelength, as well as additional frequencies where the relative dominance of the different frequencies differs...
2001
Abstracts: Synthetic Microseismic Files; #90173 (2015)
J. Wong, P. M. Manning, L. Han, and J. B. Bancroft
Search and Discovery.com
... the dominant frequencies in the synthetic seismograms to be 300 Hz or less. These are low compared to frequencies exceeding 500 Hz commonly observed...
2015
Application of high-resolution reflection seismology to eastern Kansas cyclothems
Ralph W. Knapp
Kansas Geological Society
...-frequency data with dominant frequencies of 250 Hz or greater and upper frequency limits of 500 Hz or greater. This band width tunes to the general...
1989
Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin
Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama
Indonesian Petroleum Association
... of high-frequency energy in the reservoir is predicted as the main factor affecting the low frequency anomaly, which shifts the dominant frequency...
2008
Cycles in Lake Beds of the Triassic Sanford Sub-Basin of North Carolina
Lisa N. HU, Daniel A. Textoris
Special Publications of SEPM
...=fine- and coarse-grained lithic fragments). Groce No. I well. mica schists and fine-grained mica phyllites are the dominant rock fragments...
1996
Dispersal Patterns of Sands in Grays Harbor Estuary, Washington
K. F. Scheidegger , J. B. Phipps
Journal of Sedimentary Research (SEPM)
... estuaries (Meade, 1969), (4) the distinctive mineral assemblages of fluvial as compared with marine sources (Kulm and Byrne, 1967), and (5) the textural...
1976
Mineralogy of Recent Sediments of Tigris and Euphrates Rivers and Some of the Older Detrital Deposits
George Philip
Journal of Sedimentary Research (SEPM)
... mineral species in about the same relative frequencies, characterized by an abundance of iron ores, epidotes, amphiboles and pyroxenes that make more than...
1968
ABSTRACT: SPECTRAL DECOMPOSITION ANALYSIS, SOUTHWEST SOLDADO FIELD, TRINIDAD & TOBAGO
Sierra, J., Landa, A., Cova, C, Cardinez S., Dharpaul, T. and YoungOn, V.
Geological Society of Trinidad & Tobago
..., based on the dominant frequency of the seismic data. Nevertheless, there still being much information that remains hided in others frequencies...
2007
Abstract: High-Resolution Seismic Exploration for Coal in Australia, by David W. King; #90962 (1978).
Search and Discovery.com
1978
Through the Seismic Looking Glass: Challenges of Using Reflections as Geomorphic Surfaces
Search and Discovery.com
N/A