3-D Structural Geology: A Practical Guide to Quantitative Surface and Subsurface Map InterpretationSpringer Science & Business Media, 2006 M07 9 - 400 páginas Geological structures are three dimensional, yet are typically represented by, and - terpreted from, outcrop maps and structure contour maps, both of which are curved two-dimensional surfaces. Maps plus serial sections, called 21⁄2-D, provide a closer approach to three dimensionality. Computer technology now makes it possible for geological interpretations to be developed from the beginning in a fully three dim- sional environment. Fully 3-D geological models allow significantly better interpre- tions and interpretations that are much easier to share with other geologists and with the general public. This book provides an overview of techniques for constructing structural interpretations in 2-D, 21⁄2-D and 3-D environments; for interpolating - tween and extrapolating beyond the control points; and for validating the final int- pretation. The underlying philosophy is that structures are three-dimensional solid bodies and that data from throughout the structure, whether in 2-D or 3-D format, should be integrated into an internally consistent 3-D interpretation. It is assumed that most users of this book will do their work on a computer. C- sequently, the book provides quantitative structural methods and techniques that are designed for use with spreadsheets, mapping software, and three-dimensional c- puter-graphics programs. The book is also intended to provide the background for understanding what interpretive software, for example, a computer contouring p- gram, does automatically. Most techniques are presented in both a traditional format appropriate for paper, pencil, and a pocket calculator, and in quantitative format for use with spreadsheets and computer-graphics or computer-aided-design programs. |
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Página v
... points; and for validating the final inter- pretation. The underlying philosophy is that structures are three-dimensional solid bodies and that data from throughout the structure, whether in 2-D or 3-D format, should be integrated into ...
... points; and for validating the final inter- pretation. The underlying philosophy is that structures are three-dimensional solid bodies and that data from throughout the structure, whether in 2-D or 3-D format, should be integrated into ...
Página vi
... data, structural interpretation requires inferences, and the best inferences ... points in 3-D and the orientations of lines and planes. Both analytical ... data by interpolation and extrapolation. Construction techniques for both ...
... data, structural interpretation requires inferences, and the best inferences ... points in 3-D and the orientations of lines and planes. Both analytical ... data by interpolation and extrapolation. Construction techniques for both ...
Página x
... Points : TIN or Grid ? Triangulated Irregular Networks Adjusting the Surface Shape Adding Information to the Data Base 3.6.1 Bedding Attitude 3.6.2 Projected and Composite Surfaces 3.6.3 Fluid - Flow Barriers 68 69 70 72 75 76 78 78 79 ...
... Points : TIN or Grid ? Triangulated Irregular Networks Adjusting the Surface Shape Adding Information to the Data Base 3.6.1 Bedding Attitude 3.6.2 Projected and Composite Surfaces 3.6.3 Fluid - Flow Barriers 68 69 70 72 75 76 78 78 79 ...
Página 1
... data. This can be difficult or ambiguous because the complete structure is ... points. Constraints on the interpretation are both topological and ... data for structural interpretation and their inherent errors. 1.2 Representation of a ...
... data. This can be difficult or ambiguous because the complete structure is ... points. Constraints on the interpretation are both topological and ... data for structural interpretation and their inherent errors. 1.2 Representation of a ...
Página 29
... points indicate the higher quality correlations , open 2705 points lower ... point method ( Sect . 2.4.2 ) . Dips may be calculated for depth inter- vals as small ... data or gaps on the dipmeter record indicate that no correlations were ...
... points indicate the higher quality correlations , open 2705 points lower ... point method ( Sect . 2.4.2 ) . Dips may be calculated for depth inter- vals as small ... data or gaps on the dipmeter record indicate that no correlations were ...
Contenido
8 | |
18 | |
24 | |
30 | |
Geologic Mapping in | 36 |
3 | 41 |
4 | 49 |
9 | 57 |
6 | 132 |
33 | 159 |
Properties of Faults | 181 |
Stratigraphic Separation | 211 |
Faulted Surfaces | 219 |
8 | 252 |
DipSequence Analysis | 265 |
Quality Control 285 | 284 |
3 | 65 |
5 | 76 |
7 | 85 |
2 | 98 |
Fold Geometry | 109 |
Structural Validation Restoration and Prediction | 305 |
Direction Cosines and Vector Geometry | 373 |
References Cited | 383 |
Index | 393 |
Otras ediciones - Ver todas
3-D Structural Geology: A Practical Guide to Quantitative Surface and ... Richard H. Groshong Vista previa limitada - 2006 |
3-D Structural Geology: A Practical Guide to Quantitative Surface and ... Richard H. Groshong Sin vista previa disponible - 2009 |
3-D Structural Geology: A Practical Guide to Surface and Subsurface Map ... Richard H. Groshong Sin vista previa disponible - 2012 |
Términos y frases comunes
anticline apparent dip area-depth axial surface azimuth bed dip bed length bedding attitudes bisects Blount Springs circle conical fold constructed control points cross section curve cutoff lines cylindrical fold data points deformation depth determined dip direction dip vector dip-domain displacement distance domains Easting elevation expansion index fault cut fault cutoff fault dip fault Fig fault surface fold axis footwall geometry graben grid Groshong hangingwall hinge line interpolation interpretation intersection layer-parallel limb linear interpolation lower detachment marker horizon method normal fault Northing orientation outcrop overlay parallel perpendicular pin line planar plane plot plunge lines pole predicted projection regional restoration reverse fault rotation scale Sect simple shear slip stereogram stratigraphic separation strike strike and dip structure contour map syncline tangent diagram technique thickness changes thrust fault tion topographic trace Triangulated irregular network true dip true thickness unconformity unit vertical exaggeration zone