Cargando…

An Introduction to Geological Structures and Maps /

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Bennison, G. M. (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Boston, MA : Springer US, 1990.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • 1 Horizontal and dipping strata
  • Contours, section drawing, vertical exaggeration; Dip, structure contours, construction of structure contours, section drawing; True and apparent dip; Calculation of thickness of a bed, vertical and true thickness; Width of outcrop; Inliers and outliers.
  • 2 'Three-point' problems
  • Construction of structure contours; Insertion of outcrops; Depth in boreholes.
  • 3 Unconformities
  • Overstep; Overlap; Sub-unconformity outcrops.
  • 4 Folding
  • Anticlines and synclines; Asymmetrical folds, overfolds and isoclinal folds; Similar and concentric folding; Two possible directions of strike.
  • 5 Faults
  • Normal and reversed faults; The effects of faulting on outcrops; Classification of faults, dip-slip, strike-slip and oblique-slip faults; Dip faults and strike faults; Calculation of the throw of a fault; Wrench or tear faults; Pre- and post-unconformity faulting; Structural inliers and outliers; Posthumous faulting; Isopachytes.
  • 6 More folds and faulted folds
  • Plunging folds, calculation of the amount of plunge; The effect of faulting on fold structures; Displacement of folds by strike-slip (wrench) faults, calculation of strike-slip displacement; Faults parallel to the limbs of a fold; Sub-surface structures; Posthumous folding; Polyphase folding; Bed isopachytes.
  • 7 Complex structures
  • Nappes; Thrust faults; Axial plane cleavage.
  • 8 Igneous rocks
  • Concordant intrusions, sills; Lava flows and tuffs; Discordant intrusions, dykes, ring- dykes, cone-sheets, stocks, bosses and batholiths, volcanic necks.
  • Description of a geological map; Geological history of Map 28.
  • Numerical answers.