A low-frequency laboratory apparatus for measuring elastic and anelastic properties of rocks
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In this paper we present a new version of low-frequency laboratory apparatus designed for measurements of complex Young's moduli and extensional attenuation of rock samples at seismic (1÷400 Hz) and teleseismic (≤1Hz) wave frequencies. The device can operate at confining or uniaxial pressures from 0 to 70 MPa. The preliminary data obtained for sandstone quarried in Donnybrook, Western Australia, are presented.