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Determination of dynamic elastic constants in
the F7 bore-hole for water and ore exploration
in the Western Mátra
Meeting Of Young Geoscientists Conference
Consultant:
Dr. habil Ormos Tamás, associate professor
Department of Geophysics
University of Miskolc
Presentation by Holló Dávid
30/03/12
Contents
The exploration area,
the aim of the research
Drill cores
Determination of dynamic elastic constants
The result of the measurement
Rock physical – geological comparison
Summary, observations
Acknowledgement
The exploration area,
the aim of the research
Coordinates of F7 bore-hole:
EOV Y 713286.5 m, EOV X: 284730.9 m, Z: 650 m
Drill Cores
10 cm
110.0-112.0 lin.m
Andesite lava rock
10 cm
10 cm
261.8-261.9 lin.m
396.9-397.2 lin.m
Hydrothermal lode Silica-carbonateamygdule andesite
Velocity of longitudinal wave
Ultrasonic transmitter
Ultrasonic receiver
Velocity of longitudinal wave
Measured data:
P-wave time [μs]
Core length [mm]
Processed data:
Velocity of longitudinal wave [m/s]
Resonance frequency
Digital resonance frequency
measuring equipment
The amplitude-frequency
spectrum of
the 19th core
Resonance frequency
Measured data:
Resonance frequency [Hz],
Core length and density
Processed data:
Velocity of dilatation [m/s]:
Young’s modulus [Pa]
Poisson’s ratio
From the velocity of longitudinal wave and
the Young’s modulus
Poisson’s ratio :
Rock physics results
Rock physics results
Rock physical – geological section
Summary, observations
 Correlation between the rock physical and
the geological section
 3 rock physical zones, 7 rock physical lines
 Depreciation near the crevices
and ore formations
 Unhomogenities
Acknowledgement
Association of Hungarian Geophysicists
Hungarian Geological Society
Dr. habil Ormos Tamás (ME-MFK)
Dr. Földessy János (ME-MFK)
Kamrás Ádám (GES Kft.)
Tóth Szabolcs (RotAqua Kft.)
Czeglédi Balázst (ME-MFK)
Forrás: Bástyánk. 3. évfolyam (1943). évf. 5. sz. p. 15-16.
The described work was carried out as part of the TÁMOP-4.2.2/B-10/1-2010-0008 project in the framework of the New Hungarian Development
Plan. The realization of this project is supported by the European Union, co-financed by the European Social Fund.
Thank you for Your

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