Guia docente 2016_17 Facultade de Ciencias do Mar

Contents

Topic	Sub-topic
TOPIC 0. PRESENTATION OF THE SUBJECT	0.1. Aims of the subject 0.2. Theoretical contents: master lessons 0.3. fieldwork and laboratory work 0.4. Seminars 0.5. on-line exercises 0.6. Personalised tutorials 0.7. Evaluation
TOPIC 1: INTRODUCTION TO THE SEDIMENTOLOGY	1.1. Importance of sediments and sedimentary rocks 1.2. The geological cycle 1.3. Notions of source, reservoir, flow and sink; time of residence 1.4. Tectonics, climate and sedimentation 1.5. Techniques and methods in Sedimentology
TOPIC 2: SILICICLASTIC SEDIMENTS	2.1. Description: texture and structure. 2.2. Classification according to size. 2.3. Form. 2.4. Origin, composition. 2.5. Classification according to the composition. 2.6. The concept of textural and compositional maturity 2.7. Climatic and tectonic forcings 2.8. Diagenesis of siliciclastics
TOPIC 3: PROPERTIES OF THE GRAINS	3.1. Size distribution 3.2. Factory and texture. Porosity and permeability. 3.3. Background forms 3.4. Sedimentary structures 3.5. Temporal scale of the processes and spatial record.
TOPIC 4: GENERAL CHARACTERISTICS OF THE FLUID AND OF THE FLOW	4.1. Transport environmments 4.2. Physical properties of the fluids: 4.3. Fluids in movement: laminar and turbulent Flows, Boundary Layer; Effect of the bottom 4.4. Types of flow: Unidirectional, Oscillatory, Gravitational, Licuefactated
TOPIC 5: TRANSPORT OF SEDIMENT AND BOTTOM FORMS	5.1. Initiation of motion: Critical shear stress, Effects of the size and density of the sediment, Effects of the biological activity, Peculiarity for cohesives sediments. 5.2. Sediment transport: modes of transport, transport rate. 5.3. Sedimentation of particles: In a static fluid (Stokes Law), In natural flows (Drag coefficient) 5.4. Bottom forms under unidirectional flows: Terminology, Sequence of bottom forms; Stability 5.5. Cross-stratification by background forms: Terminology, Types, bottom forms under oscillatory flows, Stability and relation with the flow regime, Types of stratification
TOPIC 6: CARBONATIC SEDIMENTS	6.1. Generalities. Composition and mineralogy. Balance of the CaCO3 the oceans. The lisocline, CCD and the spatial and temporal distribution of the carbonatic sediments. 6.2. Alochemical carbonatic constituents 6.3. Ortochemical carbnatic constituents 6.4. Classification of carbonatic rocks and sedimentary environments. 6.5. Carbonatic sedimentary systems 6.6. Diagenesis of the sediments and carbonatic rocks.
TOPIC 7: OTHER SEDIMENTS	7.1. Siliceous sediments 7.2. Modern and ancient evaporitic sediments. Halite, Gypsum and Anhidrite. 7.3. Volcanic tephras: Origin and relation with the volcanism. Recognition and importance in marine series.
TOPIC 8: FACIES ANALYSIS	9.1. Facies: Concept and Types 9.2. Facies association 9.3. Ciclicity, rhythms and their origin 9.4. correlations
BLOCK OF SEMINARS	1. grain size (part 1) and form 2. grain size (part 2) 3. Hydrodynamics
LABORATORY PRACTICAL	1. Optical petrology
FIELDWORK	1. Fieldtrip Southern Margin Ría of Vigo 2. Fieldtrip Beaches of Montalvo and Pociñas