Geological field techniques /

Guardado en:
Detalles Bibliográficos
Autor principal: Coe, Angela L.
Formato: Desconocido
Lenguaje:Español
Publicado: [Hoboken, NJ] : Wiley-Blackwell, 2010.
Edición:1st ed.
Materias:
Aporte de:Registro referencial: Solicitar el recurso aquí
Tabla de Contenidos:
  • 1. Introduction. 1.1. A selection of general books and reference material on geology
  • 1.2. Books on geological field techniques
  • 2. Field Equipment and Safety. 2.1. Introduction
  • 2.2. The hand lens and binoculars
  • 2.3. The compass-clinometer
  • 2.3.1. Orientation of a dipping plane
  • 2.3.2. Orientation of a linear feature
  • 2.3.3. Triangulation: Determining location using a compass
  • 2.4. Global positioning systems and altimeters
  • 2.5. Measuring distance and thickness
  • 2.5.1. Standard thickness and distance measurements
  • 2.5.2. Use of the Jacob staff to measure the thickness of inclined strata
  • 2.6. Classification and colour charts
  • 2.7. Hammer, chisels and other hardware
  • 2.8. The hardcopy field notebook
  • 2.9. The laptop, netbook or PDA as a notebook
  • 2.10. Writing equipment, maps and relevant literature
  • 2.10.1. Writing equipment
  • 2.10.2. Maps and relevant literature
  • 2.11. Comfort, field safety and field safety equipment
  • 2.11.1. Clothes, backpack/rucksack and personal provisions
  • 2.11.2. Field safety
  • 2.11.3. Field safety equipment
  • 2.12. Conservation, respect and obtaining permission
  • 2.13. Further reading
  • 3. Introduction to Field Observations at Different Scales. 3.1. Introduction: What, where and how?
  • 3.1.1. Defining the fieldwork objectives
  • 3.1.2. Deciding where to do the fieldwork
  • 3.1.3. Locating your position
  • 3.2. Scale of observation, where to start and basic measurements
  • 3.2.1. Regional context
  • 3.2.2. Whole exposure
  • 3.2.3. Hand specimens
  • 3.3. Overview of possible data formats – 4. The Field Notebook. 4.1. Introduction: The purpose of field notes
  • 4.2. Field notebook layout
  • 4.2.1. Preliminary pages
  • 4.2.2. Daily entries
  • 4.2.3. General tips
  • 4.3. Field sketches: A picture is worth a thousand words
  • 4.3.1. General principles: Aims, space and tools
  • 4.3.2. Sketches of exposures
  • 4.3.3. Sketching metre- and centimetre-scale features
  • 4.3.4. Sketch maps
  • 4.4. Written notes: Recording data, ideas and interpretation
  • 4.4.1. Notes recording data and observations
  • 4.4.2. Notes recording interpretation, discussion and ideas
  • 4.5. Correlation with other data sets and interpretations
  • 5. Recording Palaeontological Information. 5.1. Introduction: Fossils are smart particles
  • 5.1.1. Why are fossils important?
  • 5.1.2. Collecting fossil data
  • 5.2. Fossil types and preservation
  • 5.2.1. Body fossil classification
  • 5.2.2. Body fossil preservation
  • 5.2.3. Trace fossils
  • 5.2.4. Molecular fossils
  • 5.3. Fossil distribution and where to find them
  • 5.3.1. Transported or life position?
  • 5.4. Sampling strategies
  • 5.4.1. Sampling for biostratigraphic or evolutionary studies
  • 5.4.2. Sampling of bedding surfaces and palaeoecology
  • 5.5. Estimating abundance
  • 5.5.1. Presence/absence and qualitative abundance estimates
  • 5.5.2. Quantitative measures of abundance
  • 5.5.3. How many samples are required?
  • 6. Recording Features of Sedimentary Rocks and Constructing Graphic Logs. 6.1. Introduction
  • 6.2. Description, recognition and recording of sedimentary deposits and sedimentary structures
  • 6.2.1. Recording sedimentary lithology
  • 6.2.2. Recording sedimentary structures
  • 6.3. Graphic logs
  • 6.3.1. Conventions for graphic logs
  • 6.3.2. Constructing a graphic log
  • 6.4. Rocks in space: Reconstructing sedimentary environments and their diagnostic features
  • 6.5. Using sedimentary rocks to interpret climate change and sea-level change
  • 6.5.1. Climate change
  • 6.5.2. Sequence stratigraphy and relative sea-level change
  • 6.6. Further reading
  • 7. Recording Features of Igneous Rocks. 7.1. Equipment, basic tips and safety
  • 7.2. Field relationships of igneous rocks
  • 7.2.1. Relationships with surrounding rocks
  • 7.2.2. Internal architecture: Joints and veins
  • 7.2.3. Internal architecture: Other exposure-scale fabrics
  • 7.3. Mineralogy and small-scale textures of igneous rocks
  • 7.3.1. Petrologic type
  • 7.3.2. Mineral texture and fabric
  • 7.4. Recent and active volcanoes
  • 7.4.1. Equipment and safety
  • 7.4.2. Access
  • 8. Recording Structural Information. 8.1. Equipment and measurement
  • 8.1.1. Structural measurements and notations
  • 8.2. Brittle structures: Faults, joints and veins
  • 8.2.1. Planar brittle features – orientation
  • 8.2.2. Determining past motion on brittle structures
  • 8.3. Ductile structures: Shear zones, foliations and folds
  • 8.3.1. Orientation of ductile planar features
  • 8.3.2. Direction of shear/stretching: Stretching lineations
  • 8.3.3. Sense of shear: Kinematic indicators
  • 8.3.4. Magnitude of shear strain
  • 8.3.5. Fold analysis
  • 9. Recording Features of Metamorphic Rocks. 9.1. Basic skills and equipment for metamorphic fieldwork
  • 9.1.1. Field relations and context
  • 9.2. Textures
  • 9.2.1. Banding
  • 9.2.2. Grain textures
  • 9.2.3. Reaction textures
  • 9.3. Mineralogy
  • 9.3.1. Identifying common metamorphic minerals
  • 9.3.2. Using mineral assemblages
  • 9.3.3. Classification of metamorphic rocks
  • 9.4. Unravelling metamorphism and deformation
  • 9.4.1. Pre-kinematic features
  • 9.4.2. Syn-kinematic features
  • 9.4.3. Post-kinematic features
  • 10. Making A Geological Map. 10.1. Principles and aims
  • 10.2. Preparation and materials
  • 10.2.1. Base maps and other aids
  • 10.2.2. Equipment for mapping
  • 10.3. Location, location, location
  • 10.3.1. Equipment
  • 10.3.2. Using base maps
  • 10.4. Making a field map
  • 10.4.1. Information to record on field maps
  • 10.4.2. The evolving map
  • 10.4.3. Sketch cross-sections
  • 10.5. Mapping techniques
  • 10.5.1. Traverse mapping
  • 10.5.2. Contact mapping
  • 10.5.3. Exposure mapping
  • 10.5.4. Using other evidence
  • 10.6. The geological map
  • 10.6.1. Inking in the field map
  • 10.6.2. Cross-sections
  • 10.6.3. Fair copy maps
  • 10.6.4. Digital maps and GIS
  • 10.7. Further reading
  • 11. Recording Numerical Data and Use of Instruments In The Field. 11.1. Data collection
  • 11.1.1. Instrument calibration and base stations
  • 11.1.2. Survey grids
  • 11.2. Transport and protection of the instruments
  • 11.3. Correlation with other data sets
  • 11.4. Further reading
  • 12. Photography. 13. Sampling. 13.1. Selecting and labelling samples
  • 13.1.1. Samples for thin-sections
  • 13.1.2. Orientated samples
  • 13.1.3. Samples for geochemical analysis
  • 13.1.4. Samples for mineral extraction
  • 13.1.5. Samples for fossils
  • 13.1.6. Sampling for regional studies
  • 13.1.7. High-resolution sample sets
  • 13.1.8. Labelling samples and their packaging
  • 13.2. Practical advice
  • 13.2.1. Packing and marking materials
  • 13.2.2. Extraction of samples.