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Institution name: Geological Survey of Montenegro

Address: Naselje Krusevac bb, 81000 Podgorica, Montenegro

Telephone: (+382) 20 245 453
Fax: (+382) 20 245 438

Field research represents the basis of all sedimentologic research. Only the results of the field and laboratory research give the complete picture of all characteristics of sediment rocks: composition, structure, genesis, diagenesis, sequencing, and individualization of series, sedimentation environment, models etc. Laboratory research are being conducted in the way that is common in sedimentology: Preparation of samples for analysis (collecting middle sample, disintegration, dispersion), Mechanical analysis consisted of determination of grain size, shape, roundness and sphericity of boulders of gravel and sand stones with mathematical data processing and graphical representation, Determining of grain size of clay, using the pipette method, decantation and wet analysis and Structural analysis which consists of impregnation of semi-cohesive and non-cohesive rocks in vacuum with plastic resin in the apparatus.

Mineralogical analysis of sediment rocks is conducted primarily using the microscope, analyzing the transparent petrographic formulation. Microscope Leitz with magnification higher than 30 X is used to conduct modal analysis from transparent formulation, apart from determining composition and structure of the rocks.  Mineralogical analysis applies to separated minerals as well, using the hard liquids and electromagnet, and additional analysis of light minerals.

Other investigation methods are especially fir fine-grained clastic rocks, transition stones clay-carboante and other types of sediment rocks (anhydrites and evaporites) which are analyzed not only using the microscope, optical manner, but also using the DTA and TGA analyses.

Laboratory's works were especially intensive during the performance of works on studies needed for oil industry and during monitoring of deep oil boreholes, when we designated funds for necessary equipment, as well as during the mapping of geological map.

Within the Geological Survey, several laboratories exist for: paleontological, petrological, sedimentological, mineralogical, chemical and geomechanical tests.
Chemical laboratory
Chemical analyses consists of determining the organic contents, contents of free silica, contents of carbonates, determining the values of pH and Eh values etc.

* Volumetric methods of chemical analysis

* Gravimetric methods of chemical analysis

* Silicate analysis

* Working on atomic absorber

* Working on spectrophotometer »HACH«
Geomechanical laboratory
Soil quality and its adequacy for construction of earth objects depend on the characteristics that are determined by the laboratory analyses. Methods of laboratory analysis of soil samples give reliable parameters for determining its bearing power, stability, deformability etc.
Laboratory for analyses of soil samples
* Grain size distribution analysis

*  Bulk density test

*  Bulk density of solid particles test

*  Soil moisture test

*  Atterberg limits test

*  Soil consolidation test in consolidometer
* Determining cohesion and angle of internal friction using the direct shear test method