Fieldwork 2, module 2 Spain (Solid earth)

FaculteitFaculty of Geosciences

NiveauBachelor

Studiejaar2026-2027

Beschrijving

Course goals

Please note: the information in the course manual is binding.

Upon completion of this course the student will have:

Gained deep understanding of mutual relationships between deformational, metamorphic and magmatic processes during the formation and evolution of mountain belts
Gained insight into magmatic and metamorphic processes in the deep crust that lead to the formation of critical metal reservoirs relevant for the energy transition.
Developed proficiency in performing autonomous geologic fieldwork in complex metamorphic terranes through gathering of outcrop-scale field observations, their analysis, interpretation and reporting.
Developed capabilities to integrate field- with microscopic-scale observations, theory, and modelling to derive a quantitative understanding of orogen-scale processes.
Ability to reconstruct the region's geological history through observations and mapping.

The insights and capabilities achieved in this module serve as vital toolbox for evaluating geological processes in fundamental and applied geosciences.

Content

Fieldwork: Orogenesis

The main goal of this course is to explore the complex processes of metamorphism, magmatism, and deformation, including the formation of critical metal deposits. This fosters a holistic grasp of their interconnected dynamics and their broader importance in geology.

As such, the course is divided into three parts: (1) an excursion spanning various regions around the Cap de Creus (CdC, Spain) peninsula, (2) detailed mapping and data acquisition within the CdC peninsula itself, and (3) a special project that involved acquisition of specific field observations and deepening of the subject at Utrecht University (UU). These course components encompass:

The excursion emphasises the use of structural geology and petrology to study the deep crust of the CdC peninsula, a key part of the Pyrenean mountains. This sets the stage for a mapping task. Students will study interactions in metamorphic and magmatic rocks in the area. This learning will combine field observations with predictions about mineral phase equilibrium. The trip will also explore the link between metamorphism, igneous activities, and the deformation history of the Pyrenees. An important part of the trip is examining the metapelitic rocks native to the CdC area. Students will also compare deformation in these rocks to that in nearby granite formations.

Working in teams of 2 to 3, students will refine their observation and mapping skills in a complex geological setting. The mapping activity aims to develop independent geoscientists. It includes using specialised mapping methods, gathering focused field observations, and organizing them in field books, maps, or diagrams. The main objective is to reconstruct the region's geological history through mapping.

At UU, students will base complete a small research project based on their field observations. They will integrate these with petrographic and microstructural studies using optical polarisation microscopy from representative CdC rocks or other complementary data such as geochemical or structural data.

Travel to the Pyrenees will be done by mini-vans and well-equipped camping in or close to the field regions provide accommodation.

NB: Signing up for the course is solely possible during the regular registration period!

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