Geological Documentation
Sample Collection and Storage
– Collection of drill cores at specified intervals
– Labeling and secure storage of cores
Visual Description
– Rock Identification: Classification of rock types based on mineral composition and structure (DIN 4022, ÖNORM EN ISO 14688-1, and SIA)
– Color and Texture: Description of rock color using standardized color charts, texture (fine-grained, medium-grained, coarse-grained), and grain distribution
– Structure and Stratification: Documentation of layering, foliation, orientation, and dip of strata
– Fractures and Faults: Recording the number, orientation, filling, and distribution of fractures and fault zones
– Weathering Grade and Strength: Determination of weathering grade and visual assessment of rock strength
– Special Features: Description of fossils, mineral inclusions, and hydrogeological characteristics
Geotechnical Parameters
– Determination of core quality (RQD – Rock Quality Designation)
– Measurement of core lengths and fracture zones
Photo Documentation
– High-resolution photos of drill cores with markings and labels
Logging and Database Management
– Entry of geological data into a drilling log
– Digitization and storage of data in a central database
Sample Preparation and Analysis
– Selection of samples for geochemical and geophysical analyses
– Documentation of analysis results in project reports