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 

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