Geological reporting of drill core samples (logging)

We perform loggings of core samples obtained by rock sample drilling, in which the classification properties according to the building geological rock classification, such as rock quality, cracking and rock quality, are determined.

For example, rock type, fissure number, armor spindles, fissure angles, and sample loss are examined from rock samples. From the directed samples, the selective cracking directions in the rock can be determined. In addition, the properties according to the Q classification can be determined from the samples: RQD, the number factor of the crack directions and the number of roughness and variability of the crack surfaces. Drill core can also be subjected to aggregate strength tests.

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Jari Lappi

Director (VD), Laboratory Divisions (Finland)

jari.lappi@mitta.fi

Tel. +358 432 111 600

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