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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,635 documents.
Origin of Remanent Magnetization in Dolomite from the Monterey Formation
J. Scott Hornafius
Pacific Section SEPM
... solid line is the least-squares linear regression to the open circles. Dashed line indicates the extremes in the jRs/wt. % A 1 2 0 3 ratio. Rincon...
1984
Introduction to Nonlinear Models
Gerard V. Middleton and David M. Rubin
Special Publications of SEPM
... might be determined for a particular river by a least squares technique. e is "error", or natural variation caused by deterministic or stochastic...
1995
Deformation History and Displacement Transfer Between the Crawford and Meade Thrust Systems, Idaho-Wyoming Overthrust Belt
James P. Evans, John P. Craddock
Utah Geological Association
.... 83, no. 7, pp. 2025–2038. Groshong, R. H. Jr., 1974, Experimental test of least-squares strain calculations using twinned calcite: Geological Society...
1985
Age of high-grade gneisses south of Grand Lake, Newfoundland
K. L. Currie, O. van Breemen, P. A. Hunt, J. T. van Berkel
Atlantic Geology
... 89-1B, pp. 47-54. York, D. 1969. Least squares fitting of a straight line with correlated errors. Earth and Planetrary Science Letters, 5, pp...
1992
Kajian geologi dan geofizik untuk penilaian pelbagai geobencana di kawasan perumahan, Puchong, Selangor (IN MALAY) / Geological and geophysical studies for multiple hazards assessments in an occupied residential area, Puchong, Selangor (IN MALAY)
Tajul Anuar Jamaluddin, Mohd Hariri Arifin, Hamzah Hussin, Mohd Amir Asyraf Sulaiman
Geological Society of Malaysia (GSM)
... menganalisis data. Perisian ini menggunakan kaedah least squares inversion untuk menentukan nilai keberintangan dan seterusnya menghasilkan keratan rentas...
2018
Structural Controls on Syntectonic Diagenesis Within the Haystack Peak Region of the Absaroka Thrust Sheet, Idaho-Wyoming-Utah Thrust Belt
Joyce M. Budai, David V. Wiltschko
Wyoming Geological Association
..., R.H., Jr., 1974, Experimental test of least-squares strain gage calculation using twinned calcite: Geol. Soc. America Bull., v. 85, p. 1855-1864...
1987
Reconstruction of a 20th Century Varve Chronology from the Central Gulf of California: Chapter 29: Part V. Physical Oceanography, Primary Productivity, Sedimentology
Tim R. Baumgartner, Vicente Ferreira-Bartrina, James Cowen, Andy Soutar
AAPG Special Volumes
..., The determination of low levels of polonium-210 in environmental materials: Analytica Chimica Acta, v. 43, p. 221-227. Gentleman, W. M., 1973, Least...
1991
Core Magnetostratigraphy: Chron 33r in the Southern Alberta Plains
Taslima Anwar, Andrew J. Mumpy, Dunia Blanco, Vadim A. Kravchinsky, Octavian Catuneanu
CSPG Bulletin
... Kauffman (eds.). Geological Association of Canada, no. 39, p. 397–434. Kirschvink, J.L. 1980. The least-squares line and plane and the analysis...
2017
Heavy Mineral Correlations and Provenances
Louis I. Briggs
Journal of Sedimentary Research (SEPM)
... in Huerfano Park, the left-hand part of the function = 2.12-0.54 Md was determined by least squares regression on 99 samples whose median diameter was less...
1965
The Marine Dolomitization of the Mifflin Member Platteville Limestone in Southwest Wisconsin
George Benjamin Asquith
Journal of Sedimentary Research (SEPM)
... fossils. Note the higher percent of broken fossils in the sparite facies. The line is a linear least squares fit to the data. All samples with poorly...
1967
Integration of Production Communication and Hydraulic Fracture Connection in Unconventional Reservoirs
Yanrui Ning, Ge Jin, Xiaoyu Zhu, Ali Tura
Unconventional Resources Technology Conference (URTEC)
... (unit: days-1), 𝑡 is time in days. Least-squares minimization is used to estimate the optimal parameters in Eq. (1) to match the real production data...
2022
Tyee Formation: A Study of Proximality in Turbidites
J. P. B. Lovell
Journal of Sedimentary Research (SEPM)
... are all on the same horizontal scale (see fig. 4); the numbers refer to the squares of the grid shown on figure 2. The least squares lines were...
1969
Identifying Salt Suture Zones and Lithological Changes of the Louann Salt in the Gulf of Mexico Basin, Louisiana
Jamie Singer, Julie Bloxson, and William A. Heins
GCAGS Transactions
... calibration for bulk elements. XRF and ICP–MS results were compared using least squares regression, generating correction equations for raw XRF data...
2025
Modern Cool-Water Beach Sands of Southwest England
John R. Merefield
Journal of Sedimentary Research (SEPM)
.... The regression line is a least-squares fit. TABLE 1. Carbonate mineralogy of modern beach sands of southwest England End_Page 417...
1984
Recognition and Significance of Inherited Quartz Overgrowths in Quartz Arenites
Ivan D. Sanderson
Journal of Sedimentary Research (SEPM)
... with visible signs of truncation, were calculated. Results of the experiment are shown in Figure 8, a least-squares regression in which s/p values are plotted...
1984
Morphology and Origin of an Erosion Surface Cut into the Bad Heart Formation During Major Sea-Level Change, Santonian of West-Central Alberta, Canada
A. Guy Plint, Roger G. Walker
Journal of Sedimentary Research (SEPM)
... the isopach data. A regular grid of data points was first set up by a weighted, moving least-squares analysis of the real data points in Figure 4. The grid...
1987
Flume Experiments on the Transport of Heavy Minerals in Gravel-Bed Streams
Roger A. Kuhnle , John B. Southard
Journal of Sedimentary Research (SEPM)
..., flow depth, and water-surface slope were measured during each set. Water-surface slope was found from a least-squares straight line through water...
1990
Reservoir Geology of the Taylor Sandstone in the Oak Hill Field, Rusk County, Texas: Integration of Petrology, Sedimentology, and Log Analysis for Delineation of Reservoir Quality in a Tight Gas Sand: Reservoir Characterization and Modeling
C. L. Vavra, M. H. Scheihing, J. D. Klein
AAPG Special Volumes
... compared to unstressed measurements. Least-squares regression of the data produces a well constrained (R2= 0.89) equation of the form: [EQUATION (1...
1991
Carbonate Porosity Versus Depth: A Predictable Relation for South Florida
James W. Schmoker, Robert B. Halley
AAPG Bulletin
... can draw conclusions with basin-wide applicability. POROSITY VERSUS DEPTH Exponential Representation The least-squares exponential fit to the data...
1982
Permeability loss with depth in the Cenozoic carbonate platform of west-central Florida
David A. Budd
AAPG Bulletin
... permeabilities (69, 129, 181, and 418 md, respectively) and a systematic reduction with depth in their mean and maximum permeabilities. Least-squares...
2001
Structure and geomorphology of the Duchesne graben, Uinta basin, Utah, and its enhancement of a hydrocarbon reservoir
Alicia Groeger, Ronald Bruhn
AAPG Bulletin
.... A plane was then fit to the well intercepts of each marker bed in the 16 northernmost wells using linear, least squares regression (Davis, 1986...
2001
The effective source rocks in the Cambay basin, India
A. Banerjee, S. Pahari, M. Jha, A. K. Sinha, A. K. Jain, N. Kumar, N. J. Thomas, K. N. Misra, K. Chandra
AAPG Bulletin
... Kalol depression). Locations of the KLOL and GNDR fields are shown in Figure 3. The least squares best fit line was simulated using the EASY Ro program...
2002
Oceanography of Mississippi Delta Sedimentary Environments
P. C. Scruton
AAPG Bulletin
... Publishing Company. 245 pp. WOODS HOLE OCEANOGRAPHIC INST., 1946, The Determination of Chlorinity by the Knudsen Method, translation of Chloruration...
1956
Characteristics of Microzonation Modelling in Reservoir Evaluation
Search and Discovery.com
N/A
Tests of Plate Tectonics: PART 2
A. A. Meyerhoff , Howard A. Meyerhoff
AAPG Special Volumes
... by A. Smith (1971) for various islands and peninsulas of the modern Mediterranean Sea violate the geology--absolutely. The least-squares fitting method...
1974