Joaquim Da Rocha MOTA

In this role, I am responsible for :
analysing pressiometric and core drillings
Lithological study of boreholes
Analysis of densitograms
Drawing diagrams, maps and plans on AutoCad

• Interacting with the project manager before and after the work is carried out.
• Setting up and carrying out boreholes.
• Wire line drilling - analysis of drilling data - Drilling capacity : PQ: 200 m, HQ: 350 m and NQ: 500 m.
• Interpretation of geological surveys and study of their characteristics (extent, composition, geometry, etc.), then data processing on the server.
• Underground soundings for big construction projects.
• Foundation reconnaissance.
  

• Carrying out various operations to prepare samples (taking, crushing and dissolving).
• Carrying out chemical and physical tests (permeability and porosity) in the laboratory as part of research into new products.
• Maintained detailed records of all laboratory activities, including test results and instrument calibrations.
• Operated laboratory equipment such as centrifuges, incubators and pH meters in accordance with safety guidelines.
• Prepared solutions and reagents according to established procedures for use in experiments or analyses.
• Reviewed technical documents such as Standard Operating Procedures and Quality Control Plans.
• Collected samples from various sources for testing purposes. Participating in the development of quality control systems to monitor the performance of laboratory processes.
  

• Scientific training in the field of metallogeny, divided into several workshops such as the history of metallogeny, the analysis of fluid inclusions in mantle and the formation of gold.

• Collection of seismic data using various geophysical instruments and equipment.
• Analyzed and processed seismic data to locate potential subsurface features.
• Conducted surveys using a variety of methods, such as gravity, magnetics, and seismic.
• Prepared detailed reports summarizing survey results.
• Collaborated with other team members to ensure timely completion of projects.
• Utilized specialized software programs to analyze collected data sets for accuracy and precision.
• Maintained accurate records of all activities related to geophysical surveying operations.
• Conducted quality control evaluations of field data to check integrity of information.

• Mineralogical study of samples collected in the region.
• Analysis by XRF, optical microscopy and X-ray diffraction in the laboratory.
• Comparison of old data and data synthesis.

• Quantification of hydrogen in the Earth's mantle from hydrated minerals in peridotite.
  Use of TC EA-IRMS to obtain isotopic results and compare them with those obtained by FTIR.